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United States Department of Agriculture

Agricultural Research Service

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PHYSIOLOGY ARTICLES

If you don't see an animal related paper you're looking for, please check the Genetic or Nutrition article lists.

Abreu, F.M., Cruppe, L.H., Maquivar, M., Utt, M.D., Madsen, C.A., Vasconcelos, J.L.M., Mussard, M.L., Day, M.L., and Geary, T.W. 2014.  Effect of follicle age on conception rate in beef heifers. Journal of Animal Science 92:1022-1028.

Abreu, F.M., Geary, T.W., Cruppe, L.H., Madsen, C.A., Jinks, E.M., Pohler, K.G., Vasconcelos, J.L.M., and M.L., Day, M.L. 2014.  The effect of follicle age on pregnancy rate in beef cows. Journal of Animal Science 92:1015-1021.

Geary, T.W., Smith, M.F., MacNeil, M.D., Day,M.L., Bridges, G.A., Perry, Perry, G.A., Abreu, F.M., Atkins, J.A., Pohler, K.G., Jinks, E.M., Madsen, C.A. 2013. Triennial Reproduction Symposium: Influence of follicular characteristics at ovulation on early embryonic survival. Journal of Animal Science 91:3014-3021.

Jinks, E. M., M. F. Smith, J. A. Atkins, K. G. Pohler, G. A. Perry, M. D. MacNeil, A. J. Roberts, R. C. Waterman, and T. W. Geary. 2013. Preovulatory estradiol and the establishment and maintenance of pregnancy in suckled beef cows. Journal of Animal Science 91:1176-1185.

Minten, Megan A., Todd R. Bilby, Ralph G. S. Bruno, Carolyn C. Allen, Crystal A. Madsen, Zeping Wang, Jason E. Sawyer, Ahmed Tibary, Holly L. Neibergs, Thomas W. Geary, Stefan Bauersachs, Thomas E. Spencer. 2013. Effects of Fertility on Gene Expression and Function of the Bovine Endometrium. PLoXOne E69444 8(8):1-14.

Atkins, J. A., M. F. Smith, M. D. MacNeil, E. M. Jinks, F. M. Abreu, L. J. Alexander, and T. W. Geary.  2012.  Pregnancy establishment and maintenance in cattle. Journal of Animal Science 91:722-733.

Funston, R.N., Summers, A.F., Roberts, A.J. 2012. Implications of nutritional management for beef cow/calf systems. Journal of Animal Science 90:2301-2307.

Roberts, A.J., Wallace, L.E., Harbac, M., and Paterson, J.A. 2012. Retention and readability of radio frequency identification transponders in beef cows over a 5-year period. The Professional Animal Scientist 28:221-226.

Funston, R.N., Martin, J.L., Larson, D.M., and Roberts, A.J. 2012. Nutrtional aspects of developing replacement heifers. Journal of Animal Science 90:1166-1171. 

Geary, T.W. 2012. Effects of adrenocorticotropic hormone and flunixin meglumine on pregnancy retention in beef cows. Journal of Animal Science 90:207-211. 

Geary, T.W., Wells, K.J., Deavila, D.M., Deavila, J., Conforti, V.A., McLean, D.J., Roberts, A.J., Waterman, R.C., and Reeves, J.J. 2011. Effects of immunization against LHRH and treatment with trenbolone acetate on reproductive function of beef fulls and steers. Journal of Animal Science 89:2086-2095. 

Roberts, A.J. and McLean, D.J. 2011. Differential gene expression in anterior pituitary glands from anestrous and cycling postpartum beef cows. Journal of Animal Science 89:1035-1041.

Atkins, J.A., Smith, M.F., Wells, K.J., Geary, T.W. 2010. Factors affecting preovulatory follicle diameter and ovulation rate to GnRH in postpartum beef cows. Part I: Cycling cows. Journal of Animal Science. 88:2300-2310.

Atkins, J.A., Smith, M.F., Wells, K.J., Geary, T.W. 2010. Factors affecting preovulatory follicle diameter and ovulation rate following GnRH in postpartum beef cows. Part II: Anestrous cows. Journal of Animal Science 88:2311-2320.

Geary, T. W., R. P. Ansotegui, M. D. MacNeil, A. J. Roberts, and R. C. Waterman. 2010. Effects of flunixin meglumine on pregnancy establishment in beef cattle. J. Anim. Sci. 88:943-949.

Underwood, K.R., Tong, J.F., Price, P.L., Roberts, A.J., Grings, E.E., Hess, B.W., Means, W.J., and Du, M. 2010. Nutrition during mid to late gestation affects growth, adipose tissue deposition, and tenderness in cross-bred beef steers. Meat Science 86:588-593.

Roberts, A. J., T. W. Geary, E. E. Grings, R. C. Waterman, and M. D. MacNeil. 2009. Reproductive performance of heifers offered ad libitum or restricted access to feed for a 140-d period after weaning. J. Anim. Sci. 87:3043-3052.

Fuller, A.M., Austin, K.J., Roberts, A.J., Moss, G.E., Alexander, B.M. 2009. Fasting lowers gastrin-releasing peptide and Fsh mRNA in the ovine anterior pituitary gland. Western Section of Animal Science Proceedings 60:277-279.

Roberts, A.J., Grings, E.E., MacNeil, M.D., Waterman, R.C., Alexander, L.J., Geary, T.W. 2009.Implications OF Going Against the Dogma OF Feed Them To Breed Them. Western Section of Animal Science Proceedings 60:85-88.

Sa Filho, O.G., Vilela, E.R., Geary, T.W., Vasconcelos, J. 2009. Strategies to improve fertility in post partum Bos indicus cows submitted to a fixed-time insemination protocol with GnRH and PGF2a. Journal of Animal Science 87:2806-2814.

Busch, D.C.., Geary, T.W., Atkins, J.A., Smith, M.F., Bader, J.F., Shafer, D.J., and Patterson, D.J. 2008. Effect of ovulatory follicle size and expression ofestrus on progesterone secretion in beef cows. Jounal of Animal Science 86:553-563.

Grings, E.E., Roberts, A.J., Geary, T.W., and MacNeil, M.D. 2008. Milk yield of primiparous beef cows from three calving systems and varied weaning ages. Journal of Animal Science 86:768-779.

Harris, H.L., Cupp, A.S., Roberts, A.J., and Funston, R.N. 2008. Heifers fed soybeans or milling by-products utilization of soybeans or corn milling by-products in beef heifer development diets. Journal of Animal Science 86:476-482.

Kruse, R.E., Tess, M.W., Grings, E.E., Short, R.E., Heitschmidt, R.K., Phillips, W.A., and Mayeux, H.S. 2008.Evaluation of beef cattle operations utilizing different seasons of calving, weaning strategies, postweaning management, and retained ownership. Professional Animal Scientist 24:319-327.

Standley, T., Paterson J., Skinner, K., Rainey, B., Roberts, A.J., Geary, T.W., Smith, G., White, R. 2008. The use of experimental vaccine in gestating beef cows to reduce the shedding of Escherichia coli 0157:H7 in the newborn calf. Professional Animal Scientist 24:260-263.

Merrill, M.L., Ansotegui, R. P., Burns, P. D., MacNeil, M. D., and Geary T. W. 2007.Effects of flunixin meglumine and transportation on pregnancy in beef cows. Journal of Animal Science 85:1547-1554.

Perry, G.A. Smith, M.F., Roberts, A.J., MacNeil, M.D. and Geary, T.W. 2007 . Relationship between size of the ovulatory follicle and pregnancy success in beef heifers. Journal of Animal Science 85:684-689.

Roberts, A.J., Paisley, S.I., Geary, T.W., Grings, E.E., Waterman, R.C., MacNeil, M.D. 2007. Effects of restricted feeding of beef heifers during the postweaning period on growth, efficiency and ultrasound carcass characteristics. Journal of Animal Science 85:2740-2745.

Vonnahme, K.A., Zhu, M.J., Borowicz, P.B., Geary, T.W., Hess, B.W., Reynolds, L.P., Caton, J.S., Means, W.J., Ford, S.P. 2007. Effect of early gestational undernutrition on angiogenic factor expression and vascularity in the bovine placentome. Journal of Animal Science 85:2464-2472.

Geary, T.W., Grings, E.E., MacNeil, M.D., De Avila, D.M., Reeves, J.J. 2006 . Use of recombinant gonadotropin releasing hormone antigens for immunosterilization of beef heifers. Journal of Animal Science 84:343-350.

Lamb, G.C., Larson, J.E., Geary, T.W., Stevenson, J.S., Johnson, S.K., Day, M.L., Kesler, D.J., Dejarnette, J.M., Landblom, D.G., Ansotegui, R.P. 2006 . Synchronization of estrus and artificial insemination in replacement beef heifers using gonadotropin-releasing hormone, prostaglandin F2 , and progesterone. Journal of Animal Science 84(11):3000-3009.

Larson, J.E., Lamb, G.C., Stevenson, J.S., Johnson, S.K., Day, M.L., Geary, T.W., Kesler, D.J., Dejarnette, J.M., Schrick, F.N., Arseneau, J.D. 2006 . Synchronization of estrus in suckled beef cows before detected estrus and (or) timed artificial insemination using gonadotropin-releasing hormone (gnrh), prostaglandin f2a (pg), and progesterone (cidr). Journal of Animal Science 84:332-342.

Roberts, A.J., Al-Hassan, M.J., Fricke, P.M., Echternkamp, S.E. 2006 . Large variation in steroid concentrations and insulin-like growth factor binding proteins exists among individual small antral follicles collected from within cows at various stages of estrous cycle. Journal of Animal Science 84:2714-2724

Tauck, S.A., Berardinelli, J.G., Geary, T.W., and Johnson, N.J. 2006 . Resumption of postpartum luteal function of primiparous, suckled beef cows exposed continuously to bull urine. Journal of Animal Science 84:2708-2713.

Walker, R.S., R.M. Enns, T.W. Geary, R.G. Mortimer, B.A. Lashell, and D.D. Zelesky. 2005. Evaluation gonadotropin-releasing hormone at fixed-time ai in beef heifers synchronized using a modified co-synch plus CIDR protocol. Professional Animal Scientist 21:449-454.

Day, M.L. and T.W. Geary. 2005. Handbook of Estrous Synchronization. Ohio State University Extension Publications. Wooster. Western Regional Publication No. 014, 22 pp. www.oardc.ohio-state.edu/estroussynch.*

Funston, R.N., R.J. Lipsey, T.W. Geary, and A.J. Roberts. 2005. Effect of administration of human chorionic gonadotropin after artificial insemination on concentrations of progesterone and conception rates in beef heifers. Journal of Animal Science 83:1403-1405.

Perry, G.A., M.F. Smith, M.C. Lucy, J. A. Green, T. E. Parks, M. D. MacNeil, A.J. Roberts, and T.W. Geary. 2005. Relationship between follicle size at insemination and pregnancy success in beef cattle. Proceedings of the National Academy of Sciences 102:5268-5273.

Roberts, A.J., K.M. Klindt, and T.G. Jenkins. 2005. Effects of varying energy intake and sire breed on duration of pospartum anestrus insulin like growth factor-1 in mature crossbred cows. Journal of Animal Science 83:1705-1714.

Ahola, J.K., Baker, S.D., Burns, P.D., Mortimer, R.G., Enns, R.M., Whittier, J.C., Geary, T.W., and Engle, T.E. 2004 . Effect of copper, zinc, and manganese supplementation and source on reproduction, mineral status, and performance in grazing beef cattle over a two-year period. J. Anim. Sci. 82:2375-2383.

Funston, R.N., Lipsey, R.J., Geary, T.W., and Ansotegui, R.P. 2004 . Evaluation of three estrous synchronization protocols in beef heifers. Professional Anim. Scientist 20:384-387.

Kane, K.K., Hawkins, D.E., Pulsipher, G.D., Denniston, D.J., Krehbiel, C.R., Thomas, M.G., Petersen, M.K., Hallford, D.M., Remmenga, M.D., Roberts, A.J., and Keisler, D.H. 2004 . Effect Of Increasing Levels Of Undegradable Intake Protein On Metabolic And Endocrine Factors In Cycling Beef Heifers. Journal of Animal Science 82:283-291.

Perry, G.A., M. F. Smith, and T. W. Geary. 2004 . Ability of intravaginal progesterone inserts and melengestrol acetate to induce estrous cycles in postpartum beef cows. J. Anim. Sci. 82:695-704.

Stanton , T.L., Whittier, J.C., Geary, T.W., Kimberling, C.V., and Johnson, A.B. 2004 . Effects of trace mineral supplementation on cow-calf performance, reproduction, and immune function. Professional Animal Scientist. 16:121-127.

Funston, R.N., Olson, J.L., Lipsey, R.J., Geary, T.W., and Roberts, A.J. 2003. Effect of hCG administration approximately 5 d after artificial insemination on progesterone concentrations and AI conception rates in beef heifers. Proc. West. Sec. Am. Soc. Anim. Sci. 54:251-253.

Funston, R.N., Paterson, J.A., Williams, K.E. and Roberts, A.J. 2003. Effect of body condition, initial weight, and implant on feedlot and carcass characteristics of cull cows. Prof. Anim. Sci. 19(3):233-238.

Geary, T.W. 2003. Fertility and distribution of estrus among cows following prostaglandin induced embryonic/fetal morality. Proc. West. Sec. Am. Soc. Anim. Sci. 54:254-256.

Geary, T.W. 2003. Management of young cows for maximum reproductive performance. Proc. Beef Improvement Federation. p. 5-8.

Geary, T.W., McFadin, E.L., MacNeil, M.D., Grings, E.E., Short, R.E., Funston, R.N., and Keisler, D.H. 2003. Leptin as a predictor of carcass composition in beef cattle. J. Anim. Sci. 81:1-8.

Hall, J.B., DeJarnette, J.M., Whittier, J.C., and Geary, T.W. 2003. Timing of insemination and GnRH on pregnancy rates in beef cows in a modified CO-Synch estrous synchronization system. Proc. West. Sec. Am. Soc. Anim. Sci. 54:257-260.

Kojima, F.N., Bergfeld, E.M., Wehrman, M.E., Cupp, A.S., Fike, K.E., Mariscal-Aguayo, D.V., Sanchez-Torres, T., Garcia-Winder, M., Clopton, D.T., Roberts, A.J., and Kinder, J.E. 2003. Frequency Of Luteinizing Hormone Pulses In Cattle Influences Duration Of Persistence Of Dominant Ovarian Follicles, Follicular Fluid Concentrations Of Steroids, And Activity Of Insulin-Like Growth Factor Binding Proteins. Animal Reproduction Sciences. 77:187-211.

Merrill, M.L., Ansotegui, R.P., Wamsley, N.E., Burns, P.D., and Geary, T.W. 2003. Effects of flunixin meglumine on embryonic loss in stressed beef cows. Proc. West. Sec. Am. Soc. Anim. Sci. 54:53-56.

Olson, J.L., Roberts, A.J., Paterson, J.A., and Funston, R.N. 2003. Effect of exogenous progesterone before calf removal and prostaglandin F on estrous response and pregnancy rates in 3-year-old beef cows. Proc. West. Sec. Am. Soc. Anim. Sci. 54:277-280.

Perry, G.A., Smith, M.F., Lucy, M.C., Roberts, A.J., MacNeil, M.D. and Geary T.W. 2003. Effect of ovulatory follicle size at time of GnRN injection or standing estrus on pregnancy rates and embryonic/fetal mortality in beef cattle. Proc. Western Section ASAS 54:281-284.

Roberts, A.J., and Jenkins, T.G. 2003. Associations among circulating concentrations of IGF-1 and GH during the postpartum period with resumption of estrus, calf weights and milk production in mature crossbred cows fed varying levels of energy intake. Proc. West. Sec. Am. Soc. Anim. Sci. 54:288-290.

Roberts, A.J., and Echternkamp, S.E. 2003. Insulin-like growth factor binding proteins in granulosa and thecal cells from bovine ovarian follicles at different stages of development. J. Anim. Sci. 81:2826-2839.

Bellows, D.S., Ott, S.L., and Bellows, R.A. 2002. Review: Cost of reproductive diseases and conditions in cattle. Prof. Anim. Sci. 18:26-32.

Bellows, R.A., Grings, E.E., Simms, D.D., Geary, T.W., and Bergman, J.W. 2002 . Effects of feeding supplemental fat during gestation to first-calf beef heifers. Professional Animal Scientist 17:81-89.

Funston, R.N., Geary, T.W., Ansotegui, R.P., Lipsey, R.J., and Paterson, J.A. 2002. Supplementation with whole sunflower seeds before artificial insemination in beef heifers. Prof. Anim. Sci. 18:254-257.

Funston, R.N., Ansotegui, R.P., Lipsey, R.J., and Geary, T.W. 2002. Evaluation of melengestrol acetate/prostaglandin (MGA/PGF), Select Synch, and 7 d MGA/Select Synch estrous synchronization protocols in beef heifers. Proc. West. Sec. Am. Soc. Anim. Sci. 53:405-406.

Funston, R.N., Paterson, J.A., Williams, K.E., and Roberts, A.J. 2002. Feeding and marketing culls cows. Proc. Montana Nutrition Conf. Realistic Solutions for Maintaining the Sustainability of Montana's Livestock Industry. p. 18-23.

Funston, R.N., R.P. Ansotegui, R.J. Lipsey, and T.W. Geary. 2002. Synchronization of estrus in beef heifers using either melengesterol acetate (MGA)/prostaglandin or MGA/Select Synch. Theriogenology 57:1485-1491.

Geary, T.W., McFadin, E.L., MacNeil, M.D., Grings, E.E., Short, R.E., Funston, R.N., and Keisler, D.H. 2002. Leptin as a predictor of carcass composition in beef cattle. J. Anim. Sci. 81:1-8.

Geary, T.W., Grings, E.E., MacNeil, M.D., and Keisler, D.H. 2002. Effects of feeding high linoleate safflower seeds prepartum on leptin concentration, weaning, and re-breeding performance of beef heifers. Proc. West. Sec. Am. Soc. Anim. Sci. 53:425-427.

Perry, G.A., Geary, T.W., Lucy, M.C., and Smith, M.F. 2002. Effect of follicle size at time of GnRH-induced ovulation of luteal function and fertility. Proc. West. Sec. Am. Soc. Anim. Sci. 53:45-48.

Roberts, A.J., and Jenkins, T.G. 2002. Effects of varying energy intake and sire breed on duration of postpartum anestrus, IGF-1 and GH in mature crossbred cows. Proc. West. Sec. Am. Soc. Anim. Sci. 53:454-456.

Fennewald, D.J., Paterson, J.A., Lipsey, R.J., Funston, R.N., Burfening, P.J., Peterson, J., and Anderson, L.P. 2001. A systems approach for reducing morbidity of feeder calves. Proc. West. Sec. Am. Soc. Anim. Sci. 52:247-249.

Funston, R.N., Geary, T.W., Ansotegui, R.P., Lipsey, J.J., MacNeil, M.D. and Paterson, J.A. 2001. Supplementation of whole sunflower seeds before AI in beef heifers. Proc. West. Sec. Am. Soc. Anim. Sci. 52:381-383.

Geary, T.W., J.C. Whittier, D.M. Hallford, and M.D. MacNeil. 2001.Calf removal improves conception rates to the Ovsynch and CO-Synch protocols. J. Anim. Sci. 79:1-4.

Geary, T.W., Whittier, J.C., Mortimer, R.G., Young, J.W., and Salverson, R.R. 2001. Synchronization of estrus in beef cows using GnRH and PGF with estrus AI or timed AI 72 hr after PGF with or without a second GnRH injection. Proc. West. Sec. Am. Soc. Anim. Sci. 52:369-371.

Geary, T.W., McFadin-Buff, E.L., MacNeil, M.D., Funston, R.N., Short, R.E., Grings, E.E., and Keisler, D.H. 2001. A possible role of the leptin assay in assessing carcass fat and composition in beef cattle. Proc. West. Sec. Am. Soc. Anim. Sci. 52:253-255.

Foster, H.A., Whittier, J.C., Burns, P.D., Bruemmer, J.E., Field, T.G., and Geary, T.W. 2001. Half dose GnRH does not affect pregnancy rates with the CO-Synch estrus synchronization protocol. Proc. West. Sec. Am. Soc. Anim. Sci. 52:374-376.

Foster, H.A., Whittier, J.C., Burns, P.D., Bruemmer, J.E., Baker, D.S., Engle, T.E., Field, T.G., Wailes, W.R., Anderson, D.C., Boss, D.L., and Geary, T.W. 2001. Use of bovine somatotropin in conjunction with the CO-synch and Select Synch protocols for synchronizing estrus and ovulation in beef cows. Proc. West. Sec. Am. Soc. Anim. Sci. 52:66-69.

Short, R.E., Grings, E.E., and MacNeil, M.D. 2001. A model for determining risk of pine needle abortion in cattle calving at different times of the year. Proc. West. Sec. Am. Soc. Anim. Sci. 52:174-176.

Geary, T.W. 2001. Synchronizate your cows before they run with the bulls. Shorten the breeding season and increase calf weights with synchronization. Montana-Farmer Stockman. March. p. 30-33. (Nontechnical Publication).

Geary, T.W., Salverson, R.R., and J.C. Whittier. 2001. Synchronization of ovulation using GnRH or hCG with the CO-Synch protocol in suckled beef cows. J. Anim. Sci. 79:2536-2541.

Lucy, M.C., Billings, H.J., Butler, W.R., Ehnis, L.R., Fields, M.J., Kesler, D.J., Kinder, J.E., Mattos, R.C., Short, R.E., Thatcher, W.W., Wettemann, R.P., Yelich, J.V., and Hafs, H.D. 2000. Efficacy of an intravaginal progesterone insert and an injection of PGF 2"for synchronizing estrus and shortening the interval to pregnancy in postpartum beef cows, peripubertal beef heifers, and dairy heifers. J. Anim. Sci. 79:982-995.

Short, R.E. and Heitschmidt, R.K. Where we’re going: Some thoughts on animal agriculture challenges and opportunities -- Part II. MontanaFarmer-Stockman. March 2001. p. 48-50. 2001.

Short, R.E. and Heitschmidt, R.K. Where we’re going: Some thoughts on animal agriculture, technology, energy, humans, animal science, and how it all fits together -- Part I. Montana Farmer-Stockman. February 2001. p. 32-33, 35. 2001.

Bellows, R.A., E.E. Grings, D.D. Simms, T.W. Geary, and J.W. Bergman. 2001. Effects of feeding supplemental fat during gestation to first-calf beef heifers. Prof. Anim. Sci. 17:81-89.

Bellows, R.A. 2001. Some effects of feeding supplemental fate to beef cattle. Proc., 2001Tri-State Cow/Calf Symposium. Pp. 1-7.

Geary, T.W. 2000. Use of reproductive tract scoring in range beef heifers. Cow-Calf Management Guide. p. 442.1-4.

Geary, T.W. 2000. Tips to improve AI pregnancy rates. Cow-Calf Management Guide. p. 406.1-5.

Geary, T.W., Whittier, J.C., Hallford, D.M., and MacNeil, M.D. 2000. Calf removal improves conception rates to the Ovsynch or Co-Synch protocols. J. Animal Sci. 79:1-4.

Geary, T.W., E.R. Downing, J.E. Bruemmer, and J.C. Whittier. 2000. Ovarian and estrous responses of suckled beef cows to the Select Synch estrous synchronization protocol. Prof. Anim. Sci. 16(1):1-5.

Stanton , T.L., Whittier, J.C., Geary, T.W., Kimberling, C.V., and Johnson, A.B. 2000. Effects of trace mineral supplementation on cow-calf performance, reproduction, and immune function. The Professional Animal Scientist 16(2): 121-127.

Lammoglia, M.A., Bellows, R.A., Grings, E.E., Bergman, J.W., Bellows, S.E., Short, R.E., Hallford, D.M. and Randel, R.D. 2000. Effects of dietary fat and sire breed on puberty weight, and reproductive traits of F1 beef heifers. J. Anim. Sci. 78:2244-2252.

Fennewald, D.J., Paterson, J., Funston, R., Anderson, L., Williams, K., Hager, K., Heldt, J., Gamblin, L., Callan, J., Evans, T., Knerr, T., Lipsey, R.J., and Stockgrowers, Inc. 2000. Effects of a weaning management strategy on morbidity, backgrounding performance and carcass characteristics: preliminary results. Proc. of the 49th MontanaLivestock Nutrition Conference. p. 53-59.

King, M.C., Paterson, J.A., Funston, R.N., Anderson, L.P., and MontanaCooperative Extension Agents. 2000. Montanarange production practices: 1999survey. Proc. of the 49th MontanaLivestock Nutrition Conference. p. 49-52.

Bellows, R.A. 2000. Some effects of feeding supplemental fat to beef cattle. Proc. of the 49th MontanaLivestock Nutrition Conference. p. 41-48.

Short, R.E. and Heitschmidt, R.K. 2000. Some thoughts on animal agriculture, technology, energy, humans, animal science, and how it all fits together. Proc. West. Sec. Am. Soc. Anim. Sci. 51:9-17.

Bottger, J.D., Hixon, D.L., Hess, B.W., Funston, R.N., Hallford, D.M., Woodard, L.F., and Moss, G.E. 2000. Effects of postpartum supplementation with two types of cracked safflower seeds on production, reproduction, metabolites, and hormonal profiles of primiparous beef heifers. Proc. West. Sec. Am. Soc. Anim. Sci. 51:47-50.

King, M.C., Paterson, J.A., Funston, R.N., Anderson, L.P., and MontanaCooperative Extension Agents. 2000. Montanaranch production practices: 1999survey. Proc. West. Sec. Am. Soc. Anim. Sci. 51:187-189.

Funston, R.N., Ansotegui, R.P., Thompson, B.D., Lipsey, J.J., Ropp, M.D., and Geary, T.W. 2000. Evaluation of the melengesterol acetate/prostaglandin (MGA/PGF) and MGA/Select Synch estrous synchronization protocols in beef heifers. Proc. West. Sec. Am. Soc. Anim. Sci. 51: 140-142.

Whittier , J.C. and T.W. Geary. 2000. Synchronizing with GnRH. Angus Journal. October. p. 177-181.

Whittier , J.C., and Geary, T.W. 2000. Frequently asked questions about synchronizing estrus and ovulation in beef cattle with GnRH. Proc., Iowa Coop. Ext. CHIPS Beef Breeding Management Program and Virginia Coop. Ext. "Beef Producers University-2000Current Methods in Reproduction." Pp. 51-64.

Geary, T.W. 1999. Heat detection systems and estrus management. Proc., Beef Improvement Federation p. 24-31.

Funston, R.N., and Geary, T.W. 1999. Rebreeding the first-calf heifer. Cow-Calf Management Guide and Cattle Producer's Library. p. 413-1 - 413-4.

Bellows, R.A., and Lammoglia, M.A. 1999. Effects of severity of dystocia on cold tolerance and serum concentrations of glucose and cortisol in neonatal beef calves. Theriogenology 53:803-813.

Bellows, R.A. Reproduction research affecting beef cow productivity. 2000. Proc., Reproductive Management Tools and Techniques II by Universityof Missouri. p. 1-18.

Dehority, B.A., Grings, E.E., and Short, R.E. 1999. Effects of cross-inoculation from elk and feeding pine needles on the protozoan fauna of pregnant cows: Occurrence of Parentodinium africanum in domestic U.S.cattle (Bos taurus). J. Eukaryotic Microbiology. 46(6):632-636.

Bellows, R.A. 1999. Some effects of feeding supplemental fat to beef cattle. Proc. of the Bovine Connection. p. 25-31.

Bellows, R.A. 1999. Some effects of feeding supplemental fat to beef cattle. Proc., The Range Beef Cow Symposium XVI. p. 81-87.

Lammoglia, M.A., Bellows, R.A., Grings, E.E., and Bergman, J.W. 1999. Effects of prepartum supplementary fat and muscle hypertrophy genotype on cold tolerance in newborn calves. J. Anim. Sci. 77:2227-2233.

Ford, S.P., Rosazza, J.P.N., Al-Mahmoud, M.S., Lin, S., Farley, D.B., and Short, R.E. 1999. Abortifacient effects of a unique class of vasoactive lipids from Pinus Ponderosa needles. J. Anim. Sci. 77:2187-2193.

Short, R.E., Grosz, M.D., MacNeil, M.D., and Grings, E.E. 1999. Effects of varying degrees of muscularity and muscular hypertrophy in Hereford, Limousin, and Piedmontese F2 crossbred calves on traits measured at slaughter. Proc. West. Sec. Am. Soc. Anim. Sci. 50:137-140.

Bellows, R.A., Lammoglia, M.A., Geary, T.W., and Funston, R.N. 1999. Effects of dystocia on cold tolerance in newborn beef calves. Proc. West. Sec. Am. Soc. Anim. Sci. 50:115-118.

Salverson, R.R., Whittier, J.C., Downing, E.R., and Geary, T.W. 1999. Synchronization of ovulation using HCG or GNRH with the CO-Synch protocol in suckled beef cows. Proc. West. Sec. Am. Soc. Anim. Sci. 50:35-38.

Doherty, D.R., Vaad, J., Greathouse, G., Knight, A.P., Geary, T.W., and Ralphs, M.H. 1999. Locoweed bite count correlation with serum swainsonine levels in cattle. Proc. West. Sec. Am. Soc. Anim. Sci. 50:24-26.

Short, R.E., Grings, E.E., MacNeil, M.D., Heitschmidt, R.K., Williams, C.B., and Bennett, G.L. 1999. Effects of sire growth potential, growing-finishing strategy, and time on feed on performance, composition, and efficiency of steers. J. Anim. Sci. 77:2406-2417.

Geary, T.W. and Whittier, J.C. 1999. Various protocols for synchronization of estrus or ovulation using GnRH and prostaglandin. 1999Beef Program Report, ColoradoStateUniversity. p. 93-99.

Doherty, D.R., Whittier, J.C., and Geary, T.W. 1999. MGA/PGF 2vs GnRH/PGF 2, a comparison of two estrous synchronization protocols using yearling beef heifers. 1999Beef Program Report, ColoradoStateUniversity. p. 75-78.

Salverson, R.R., Whittier, J.C., Schafer, D., Schutz, D., Downing, E.R., Polmeroy, T., and Geary, T.W. 1999. Synchronization of ovulation using hCG or GnRH with the CO-Synch protocol in suckled beef cows. 1999Beef Program Report, ColoradoStateUniversity. p. 69-74.

Stanton , T.L., Whittier, J.C., Geary, T.W., Kimberling, C.V., and Johnson, A.B. 1999. Effect of trace mineral supplementation on cow-calf performance, reproduction and immune function. 1999Beef Program Report, ColoradoStateUniversity. p. 1-14.

Lammoglia, M.A., Bellows, R.A., Grings, E.E., Bergman, J.W., Short, R.E., and MacNeil, M.D. 1999. Effects of feeding beef females supplemental fat during gestation on cold tolerance in newborn calves. J. Anim. Sci. 77:824-834.

Fike, K., Day, M., Inskeep, K., Kinder, J., Lewis, P., Short, R., and Hafs, H. 1998. Induction of estrus in anestrous suckled beef cows. 1998NebraskaBeef Report. Pp. 26-28.

Rasby, R.J., Day, M.L., Johnson, S.K., Kinder, J.E., Lynch, J.M., Short, R.E., Wettemann, R.P., and Hafs, H.D. 1998. Luteal function and estrus in peripubertal beef heifers treated with an intravaginal progesterone releasing device with or without a subsequent injection of estradiol. Theriogenology 50:55-63.

Lammoglia, M.A., Short, R.E., Bellows, S.E., Bellows, R.A., MacNeil, M.D., and Hafs, H.D. 1998. Dose titration of estradiol benzoate (EB) in heifers and cows after treatment with an intravaginal progesterone releasing (IVP4) insert and PGF 2. Proc. West. Sec. Am. Soc. Anim. Sci. 49:180-184a.

Lammoglia, M.A., Short, R.E., Bellows, S.E., Bellows, R.A., MacNeil, M.D., and Hafs, H.D. 1998. Induced and synchronized estrus in cattle: dose titration of estradiol benzoate in peripubertal heifers and postpartum cows after treatment with an intravaginal progesterone-releasing insert and prostaglandin F 2. J. Anim. Sci. 76:1662-1670.

Kronberg, S.L., Walker, J.W., and Short, R.E. 1998. Predicting Ponderosa pine needle intake with NIRS and fecal samples. Proc. West. Sec. Am. Soc. Anim. Sci. 49:84-85.

Lin, S.J., Short, R.E., Ford, S.P., Grings, E.E., and Rosazza, J.P.N. 1998. In vitro biotransformations of isocupressic acid by cow rumen preparations: formation of agathic and dihydroagathic acids. J. Natural Products 61(1):51-56.

Short, R.E., Kronberg, S.L., Grings, E.E., Rosazza, J.P., and Ford, S.P. 1998. Pine needle abortion. IRM Producer Education Seminars, Feb. 5-7, 1998, Denver, CO. P. 13-22.

Short, R.E., Kronberg, S.L., Grings, E.E., Rosazza, J.P., and Ford, S.P. 1997. Reproductive toxicology: Pine needles and plant estrogens. Proc., The Range Beef Cow Symposium XV. P. 104-113.

Kronberg, S.L., Short, R.E., and Grings, E.E. 1997. Ingestion of Ponderosa pine needles by cattle. Proc., The Range Beef Cow Symposium XV. P. 114-120.

Bellows, R.A. 1997. Factors affecting calf survival. Proc., The Range Beef Cow Symposium XV. P. 141-150.

Lammoglia, M.A., Bellows, R.A., Short, R.E., Bellows, S.E., Bighorn, E.G., Stevenson, J.S., and Randel, R.D. 1997. Body temperature and endocrine interactions before and after calving in beef cows. J. Anim. Sci. 75(9):2526-2534.

Fike, K.E., Day, M.L., Inskeep, E.K., Kinder, J.E., Lewis, P.E., Short, R.E., and Hafs, H.D. 1997. Estrus and luteal function in suckled beef cows that were anestrous when treated with an intravaginal device containing progesterone with or without a subsequent injection of estradiol benzoate. J. Anim. Sci. 75(8):2009-2015.

Bellows, R.A., Short, R.E., and Staigmiller, R.B. 1997. Effects of gestation exercise. Proc. Governor's Conference on the Cattle Industry. P. 190.

Bellows, R.A., Staigmiller, R.B., and Short, R.E. 1997. Joint effects of fetal and maternal genotypes on calving difficulty. Proc. Governor's Conference on the Cattle Industry. P. 188-189.

Lammoglia, M.A., Bellows, R.A., Grings, E.E., and Short, R.E. 1997. Effects of dietary fat and sire breed on age at puberty of heifers. Proc. Governor's Conference on the Cattle Industry. P. 186-187.

Short, R.E. and Lammoglia, M.A. 1997. Initiation and synchronization of estrous cycles in peripuberal and postpartum cows. Proc. Governor's Conference on the Cattle Industry. P. 184-185.

Short, R.E., Grings, E.E., Kronberg, S., Rosazza, J., and Ford, S. 1997. Do pine needles cause abortions in species other than cattle and do pine species other than Ponderosa cause abortions? Proc. Governor's Conference on the Cattle Industry. P. 179-183.

Short, R.E., Grings, E.E., MacNeil, M.D., Heitschmidt, R.K., and Haferkamp, M.R. 1997. Weaning and supplement options for cow-calf pairs during fall grazing. Proc. Governor's Conference on the Cattle Industry. P. 105-106.

Short, R.E., MacNeil, M.D., Grings, E.E., Heitschmidt, R.K., Williams, C.B., and Bennett, G.L. 1997. Effects of growth potential, growing-finishing strategy, and time on feed on performance, composition, and efficiency of steers. Proc. Governor's Conference on the Cattle Industry. P. 68-69.

Bellows, R.A. and Lammoglia, M.A. 1997. Peripartum influences on neonatal survival. Proc., Canadian Veterinary Medical Association 49th Annual Conv., Saskatoon, Sask., Canada. Pp. 321-332.

Bellows, R.A. 1997. Maternal influences on dystocia. Proc., Canadian Veterinary Medical Association 49th Annual Conv., Saskatoon, Sask., Canada. Pp. 304-320.

Rule, D.C., MacNeil, M.D., and Short, R.E. 1997. Influence of sire growth potential, time on feed, and growing-finishing strategy on cholesterol and fatty acids of the ground carcass and longissimus muscle of beef steers. J. Anim. Sci. 75(6):1525-1533.

Short, R.E., Grings, E.E., Lammoglia, M.A., Rolls, G.L., Davison, C.A., Biensen, N.J., and Ford, S.P. 1997. Effects of elk and cattle rumen contents and dietary fat on abortifacient activity of pine needles. Proc. West. Sec. Am. Soc. Anim. Sci. 48:95-97.

Lammoglia, M.A., Bellows, R.A., Grings, E.E., Bergman, J.W., Short, R.E., and MacNeil, M.D. 1997. Effects of dietary fat composition and content, breed and calf sex on birth weight, dystocia, calf vigor and postpartum reproduction of first calf beef heifers. Proc. West. Sec. Am. Soc. Anim. Sci. 48:81-84.

Ford, S.P., Rosazza, J.P.N., and Short, R.E. 1997. Pinus ponderosa needle-induced toxicity, p. 219-229. In: Felix D'Mello, J.P. (ed.): Handbook of Plant and Fungal Toxicants. CRC Press, Boca Raton, FL.

Brownson, R.M., Staigmiller, R.B., Broesder, J., Nisley, B.D., Gagnon, L.C., Tess, M.W., Campbell, C.B., and Bellows, S. 1997. Reproductive responses of heifers implanted with estradiol benzoate or zeranol. Proc. West. Sec. Am. Soc. Anim. Sci. 48:210-212

Short, R.E., Grings, E.E., MacNeil, M.D., Heitschmidt, R.K., and Haferkamp, M.R. 1996. Weaning and supplementation options for cow-calf pairs during the fall grazing period. Proc. Governor's Conference on the State of the Cattle Industry. P. 61-65.

Lammoglia, M.A. 1996. Effects of nutrition and cow temperature changes before calving on heat production in the newborn and survival rate. Proc. Governor's Conference on the State of the Cattle Industry. P. 66-69.

Bellows, R.A. and Lammoglia, M.A. 1996. Management decisions to optimize reproduction and profit. Proc. Governor's Conference on the State of the Cattle Industry. P. 95-99.

Short, R.E., Grings, E.E., MacNeil, M.D., Heitschmidt, R.K., Haferkamp, M.R., and Adams, D.C.1996. Effects of time of weaning, supplement, and sire breed of calf during the fall grazing period on cow and calf performance. J. Anim. Sci. 74:1701-1710.

Bellows, R.A., and Hall, J.B. 1996. Physiology and management of the replacement beef heifer. In: Animal Science Research and Development, Meeting Future Challenges, L.M. Rode (ed.) Proc. 1996Canadian Soc. of Anim. Sci. Annual meeting, Lethbridge, AB, July 7-11. P. 217-234.

Short, R.E., Ford, S.P., Rosazza, J.P.N., Farley, D.B., Klavons, J.A., and Hall, J.B. 1996. Effects of feeding pine needles and pine needle components to late pregnant cattle. Proc. West. Sec. Am. Soc. Anim. Sci. 47:193-196.

Rule, D.C., MacNeil, M.D., and Short, R.E. 1996. Influence of sire type, maturity, and nutritional background on cholesterol and fatty acids of the ground carcass and longissimus of beef cattle. Proc. West. Sec. Am. Soc. Anim. Sci. 47:135-141.

MacNeil, M.D., Short, R.E., and Grings, E.E. 1996. Preweaning performance of Hereford, Limousin, and Piedmontese sired calves. Proc. West. Sec. Am. Soc. Anim. Sci. 47:247-249.

Lammoglia, M.A., Bellows, R.A., Staigmiller, R.B., Short, R.E., Bellows, S.E., Bighorn, E.G., Brophy, D.T., Stevenson, J.S., and Randel, R.D. 1996. Peripartum body temperature and hormonal interactions in beef cows. Proc. West. Sec. Am. Soc. Anim. Sci. 47:209-212.

Grings, E.E., Short, R.E., MacNeil, M.D., and Balsam, B.L. 1996. Effect of sire breed, gender, protein, and length of finishing on growth and carcass composition of beef cattle. Proc. West. Sec. Am. Soc. Anim. Sci. 47:235-238.

Brownson, R.M., Nisley, B.D., Gagnon, L.C., Tess, M.W., Staigmiller, R.B., Campbell, C.B., and Step, D.L. 1996. Pre-weaning responses of estradiol benzoate and zeranol of steers and heifers (Phase 1). Proc. West. Sec. Am. Soc. Anim. Sci. 47:89-91.

Bellows, S.E., Short, R.E., and Ford, S.P. 1996. Effects of feeding pine needles to late pregnant elk and goats. Proc. West. Sec. Am. Soc. Anim. Sci. 47:186-188.

Bellows, N.R., Balsam, B.L., Grings, E.E., MacNeil, M.D., and Short, R.E. 1996. Accuracy of ultrasound compared to carcass measurements for determining treatment effects in feedlot steers and bulls. Proc. West. Sec. Am. Soc. Anim. Sci. 47:233-234.

Fernandez, D.L., Berardinelli, J.G., Short, R.E., and Adair, R. 1996. Acute and chronic changes in luteinizing hormone secretion and postpartum interval to estrus in first-calf suckled beef cows exposed continuously or intermittently to mature bulls. J. Anim. Sci. 74:1098-1103.

Bellows, R.A., Genho, P.C., Moore, S.A., and Chase, C.C., Jr. 1996. Factors affecting dystocia in Brahman-cross heifers in subtropical southeastern United States. J. Anim. Sci. 74:1451-1456.

Al-Mahmoud, M.S., Ford, S.P., Short, R.E., Farley, D.B., and Rosazza, J.P.N. 1995. Isolation and characterization of vasoactive lipids from the needles of Pinus ponderosa. J. Agric. Food Chem. 43:2154-2161.

Short, R.E., Ford, S.P., Grings, E.E., and Kronberg, S.L. 1995. Abortifacient response and plasma vasoconstrictive activity after feeding needles from ponderosa pine trees to cattle and sheep. J. Anim. Sci. 73:2102-2104.

Hall, J.B., Staigmiller, R.B., Bellows, R.A., Short, R.E., Moseley, W.M., and Bellows, S.E. 1995. Body composition and metabolic profiles associated with puberty in beef heifers. J. Anim. Sci. 73:3409-3420.

Short, R.E., Bellows, R.A., Staigmiller, R.B., Grings, E.E., and Berardinelli, J.G. 1995. Management of cows for high reproductive rates. Proc. Beef Improvement Federation (27th Research Symposium and Annual Meeting). Sheriday, WY. p. 1-12.

Bellows, R.A., Grings, E.E., Staigmiller, R.B., Hould, B.S., Bellows, S.E., and Phelps, D.A. 1995. Effects of genotype and zinc supplementation during gestation on dystocia and plasma zinc levels in the dam and calf. Proc. West. Sec. Am. Soc. Anim. Sci. 46:95-97.

Staigmiller, R.B., MacNeil, M.D., Bellows, R.A., Short, R.E., and Phelps, D.A. 1995. The effect of estrus synchronization scheme, injection protocol and large ovarian follicle on response to superovulation in beef heifers. Theriogenology 43:823-834.

Short, R.E., Staigmiller, R.B., Bellows, R.A., and Ford, S.P. 1995. Endocrine responses in cows fed Ponderosa pine needles and the effects of stress, corpus luteum regression, progestin, and ketoprofen. J. Anim. Sci. 73:198-205.

Bellows, R.A. 1995. Managing the first-calf heifer, p 74-85. In: Proc., International Beef Symposium. January 18-20, 1995, Great Falls, MT.

Short, R.E., Bellows, R.A., Staigmiller, R.B., and Ford, S.P. 1994. Pine needle abortion in cattle: Effects of diet variables on consumption of pine needles and parturition response. J. Anim. Sci. 72: 805-810.

Short, R.E., Ford, S.P., Grings, E.E., and Kronberg, S.L. 1994. Effects of feeding pine needles to cattle and sheep. West. Sec. Am. Soc. Anim. Sci. Proc. 45: 270-271.

Short, R.E., Staigmiller, R.B., Bellows, R.A., Adams, D.C., and Berardinelli, J.G. 1994. Effects of suckling on postpartum reproduction, p. 179-187. In: Fields, M.J. and Sand, R.S. (eds.): Factors affecting calf crop. CRC Press, Boca Raton, FL.

Short, R.E., Staigmiller, R.B., Bellows, R.A., and Greer, R.C. 1994. Breeding heifers at one year of age: Biological and economic considerations, p. 55-68. In: Field, M.J. and Sand. R.S. (ed.): Factors affecting calf crop. CRC Press, Boca Raton, FL.

Hall, J.B., Schillo, K.K., Fitzgerald, B.P., and Bradley, N.W. 1994. Effects of recombinant bovine somatotropin and dietary energy intake on growth, secretion of luteinizing hormone, follicular development, and onset of puberty in beef heifers. J. Anim. Sci. 72: 709-718.

Clark , D.H. and Short, R.E. 1994. Comparison of AOAC and light spectroscopy analyses of uncooked, ground beef. J. Anim. Sci. 72: 925-931.

Bellows, R.A. 1994. Managing replacement heifers for early puberty, p. 11. In: Proceedings, AlbertaBeef Congress. July.

Bellows, R.A., Short, R.E., and Staigmiller, R.B. 1994. Exercise and induced-parturition effects on dystocia and rebreeding in beef cattle. J. Anim. Sci. 72:1667-1674.

Bellows, R.A. and Staigmiller, R.B. 1994. Selection for fertility, p. 197-212. In: Fields, M.J. and Sand, R.S. (ed.): Factors affecting calf crop. CRC Press, Boca Raton, FL.

Bellows, R.A. and Short, R.E. 1994. Reproductive losses in the beef industry, p. 109-133. In: Fields, M.J. and Sand, R.S. (eds.): Factors Affecting Calf Crop. CRC Press, Boca Raton, FL.

Short, R.E., Grings, E.E., Killen, J.H., Bennett, G.L., and Heitschmidt, R.K. 1993. Effects of genotype and management system on postweaning production efficiency and composition of beef. 2:362-363. World Conf., Edmonton, Alberta.

Larsen, W.E. and Short, R.E. 1993. Variable-dimension livestock restraining cage. Am. Soc. Agric. Eng., Appl. Eng.in Agric. 9:549-552.

Short, R.E., Phelps, D.A., Bellows, R.A., Staigmiller, R.B., Hudyma, W.T., and Ford, S.P. 1993. Pine needle abortion in cattle: Effects of diet variables on consumption of pine needles and parturition response. West. Sec., Am. Soc. Anim. Sci. Proc. 44:371-374.

Lane, M.A., Berardinelli, J.G., Cardenas, H., and Staigmiller, R.B. 1993. Sperm transport and distribution during the puberal transition in ewe lambs. J. Anim. Sci. 71:707-713.

Hall, J.B., Staigmiller, R.B., Short, R.E., Bellows, R.A., Bartlett, S.E., and Phelps, D.A. 1993. Body composition at puberty in beef heifers as influenced by nutrition and breed. West. Sec. Am. Soc. Anim. Sci. Proc. 44:292-295.

Fernandez, D.J., Berardinelli, J.G., Short, R.E., and Adair, R. 1993. The time required for the presence of bulls to alter the interval from parturition to resumption of ovarian activity and reproductive performance in first-calf suckled beef cows. Theriogenology 39:411-419.

Christenson, L.K., Short, R.E., Farley, D.B., and Ford, S.P. 1993. Effects of ingestion of pine needles (Pinus ponderosa) by late-pregnant beef cows on potential sensitive Ca+ channel activity of caruncular arteries. J. Reprod. Fertil. 98:301-306.

Bellows, R.A., Short, R.E., Hall, J.B., Staigmiller, R.B., Phelps, D.A., and Bartlett, S.E. 1993. Some effects of exercise and induced parturition on dystocia and rebreeding in beef cattle. West. Sec. Am. Soc. Anim. Sci. Proc. 44:382-385.

Bellows, R.A. 1993. Factors Affecting Calving Difficulty, p. 175-189. In: Proc. The Range Beef Cow Symposium XIII. Cheyenne, Wyoming, December 6-8, 1993.

Bellows, R.A., Staigmiller, R.B., Orme, L.E., Short, R.E., and Knapp, B.W. 1993. Effects of sire and dam on late-pregnancy conceptus and hormone traits in beef cattle. J. Anim. Sci. 71:714-723.

Staigmiller, R.B., MacNeil, M.D., Bellows, R.A., and Short, R.E. 1992. Superovulation of beef heifers with single vs multiple injections of Folltropin, p. 272-274. In: Proc. 12th Int. Congr. on Anim. Reprod. The Hague, Netherlands.

Staigmiller, R.B., Bellows, R.A., Anderson, G.B., Seidel, G.E., Jr., Foote, W.D., Menino, A.R., Jr., and Wright, R.W., Jr. 1992. Superovulation of cattle with equine pituitary extract and porcine FSH. Theriogenology 37:1091- 1099.

Short, R.E., Staigmiller, R.B., Bellows, R.A., and Adams, D.C.1992. Management of cows to minimize postpartum infertility, p. 8.1-8.16. In: Proc., MontanaNutr. Conf., Bozeman. Special Report #45, MontanaStateUniversity.

Short, R.E., James, L.F., Panter, K.E, Staigmiller, R.B., Bellows, R.A., Malcom, J., and Ford, S.P. 1992. Effects of feeding Ponderosa pine needles during pregnancy: Comparative studies with bison, cattle, goats, and sheep. J. Anim. Sci. 70: 3498-3504.

Patterson, D.J., Perry, R.C., Kiracofe, G.H., Bellows, R.A., Staigmiller, R.B., and Corah, L.R. 1992. Management considerations in heifer development and puberty. J. Anim. Sci. 70:4018-4035.

Greer, R.C., Staigmiller, R.B., and Parrish, J.J. 1992. Female traits, ovary and follicle characteristics, and the conditional probability of normal oocyte development following superovulation in beef cows. J. Anim. Sci. 70:263-272.

Ford, S.P., Christenson, L.K., Rosazza, J.P., and Short, R.E. 1992. Effects of Ponderosa pine needle ingestion on uterine vascular function in late-gestation beef cows. J. Anim. Sci. 70:1609-1614.

Fernandez, D., Berardinelli, J.G., Short, R.E., and Adair, R. 1992. Time required for the presence of bulls to shorten postpartum anestrus. MontanaAgResearch 9(2):15-18. Fall issue.

Dhuyvetter, D.V., Petersen, M.K., Ansotegui, R.P., Bellows, R. A., Nisley, B., Brownson, R.M., and Tess, M.W. 1992. Reproductive efficiency of range beef cows fed differing sources of protein during gestation and differing quantities of ruminally undegradable protein prior to breeding. West. Sec. Am. Soc. Anim. Sci. Proc. 43:59-62.

Christenson, L.K., Short, R.E., Rosazza, J.P., and Ford, S.P. 1992. Specific effects of blood plasma from beef cows fed pine needles during late pregnancy on increasing tone of caruncular arteries tone in vitro. J. Anim. Sci. 70:525-530.

Christenson, L.K., Short, R.E., and Ford, S.P. 1992. Effects of ingestion of Ponderosa pine needles by late-pregnant cows on uterine blood flow and steroid secretion. J. Anim. Sci. 70:531-537.

Bellows, R.A. 1992. Pelvic areas -- are they worth it? p. 16-20. In: Proc. 12th Annu. Utah Beef Cattle Field Day, Brigham Young Univ., Provo, UT.

Bellows, R.A. 1992. An overview of calving difficulty, "Reducing calf losses," p. 1-11. In: Proc. 12th Annu. Utah Beef Cattle Field Day, Provo, UT.

Bellows, R. A. 1992. Management prior to calving, p. 21-26. In: Proc. 12th Annu. Utah Beef Cattle Field Day. Brigham Young Univ., Provo, UT.

Bellows, R.A. 1992. Decreasing calf losses, p. 1-11. In: 12th Annu. Utah Beef Cattle Field Day. Brigham Young Univ., Provo, UT.

Wiley, J.S., Petersen, M.K., Ansotegui, R.P., and Bellows, R.A. 1991. Production from first-calf beef heifers fed a maintenance or low level of prepartum nutrition and ruminally undegradable or degradable protein postpartum. J. Anim. Sci. 69:4279-4293.

Staigmiller, R.B., Short, R.E., and Bellows, R.A. 1991. Nutrition and body condition in cattle herds with high production goals, p. 184-188. In: Proc. Int. Beef Symp., Great Falls, MT, Jan. 15-17.

Staigmiller, R.B. 1991. The genetics of animal improvement -- yesterday, today and tomorrow, p. 10-14. In: Proc. The Bovine Connection to Profit, MontanaExt. Serv., Sidney, MT, Dec. 13-14.

Short, R.E., Staigmiller, R.B., and Bellows, R.A. 1991. Management of cows to minimize postpartum infertility, p. 13-14. In: Proc. The Bovine Connection to Profit, MontanaExt. Serv., Sidney, MT, Dec. 13-14.

Short, R.E., Staigmiller, R.B., and Bellows, R.A. 1991. Management of cows to minimize postpartum infertility, p. 3-19. In: Proc. Eastern Cow-Calf Symp., PennsylvaniaBeef Symp. March 28.

Short, R.E., Staigmiller, R.B., Adams, D.C., Bellows, R.A., Panter, K.E., Pfister, J.A., and James L.F. 1991. Effects of feeding pine needles to cattle: abortion response and physiological mechanisms, p. 155-164. In: Proc. Int. Beef Symp. Jan. l5-17, Great Falls, MT.

Panter, K.E., Galey, F.D., James, L.F., Molyneux, R.J., Pausch, R.D., Staigmiller, R.B., and Short, R.E. 1991. Ponderosa pine needle induced parturition in cattle: Analysis for presence of mycotoxins. J. Agric. Food Chem. 39:927-929.

Lane, M.A., Berardinelli, J.D., Cardenas, H., and Staigmiller, R.B. 1991. Sperm transport may be a problem in fertility of ewe lambs. MontanaAgResearch 8:33-37.

Bellows, R.A., Staigmiller, R.B., Wilson, J.M., Phelps, D.A., and Darling, A. 1991. Use of bovine FSH for superovulation and embryo production in beef heifers. Theriogenology 35:1069-1082.

Bellows, R.A. 1991. Reducing calf losses, p. 18-26. In: Proc., West VirginiaCattleman's Assoc., Morgantown.

Bellows, R.A., Staigmiller, R.B., and Short, R.E. 1991. Calving difficulty, p. 20-29. In: The Eastern Cow-Calf Symp. PennsylvaniaBeef Symp., March 28.

Bellows, R.A. 1991. An overview of calving difficulty, p. 32-41. In: Proc. The Bovine Connection to Profit, MontanaExt. Serv., Sidney, MT, Dec. 13-14.

Bellows, R.A. 1991. An overview of calving difficulty, p. 114-123. In: Proc. Int. Beef Cattle Symp., Anim. and Range Sci. Dept., Montana State Univ., Bozeman, Agric. Canada, Lethbridge, Alberta.

Wiley, J.S., Petersen, M.K., Ansotequi, R.P., Lalman, D.J., Wiley, K.J., and Bellows, R.A. 1990. Performance of first-calf beef heifers fed a high or low level of prepartum nutrition and bypass or rumen degradable protein postpartum. West. Sec. Am. Soc. Anim. Sci. Proc. 41:27-30.

Staigmiller, R.B., Short, R.E., and Bellows, R.A. 1990. Establishing and maintaining high fertility in cattle herds with high production goals, p. 6-9. In: Proc. of the Bovine Connection, Sidney, MT.

Short, R.E., Bellows, R.A., Staigmiller, R.B., Berardinelli, J. G., and Custer, E.E. 1990. Physiological mechanisms controlling anestrus and infertility in postpartum beef cattle. J. Anim. Sci. 68:799-816.

Short, R.E., Staigmiller, R.B., Bellows, R.A., and Adams, D.C.1990. Effects of suckling on postpartum reproduction. 145-153. In: Fields, M. J. and Sand, R. S. (Co-Chairmen) Factors Affecting Calf Losses, Univ.of FloridaPress, Gainesville. (Proc., 39th Annu. Beef Cattle Short Course, Gainesville)

Short, R.E., Staigmiller, R.B., Bellows, R.A., and Greer, R.C. 1990. Breeding heifers at one year of age: Biological and economic considerations, p. 93-106. In: Proc., 39th Annu. Beef Cattle Short Course, Univ.of Florida, Gainesville.

Panter, K.E., James, L.F., Short, R.E., Molyneaux, R.J., and Sisson, D.V. 1990. Premature bovine parturition induced by Ponderosa pine: Effects of pine needles, bark and branch tips. Cornell Vet. 80:329-338.

Lane, M.A., Berardinelli, J.G., Cardenas, H., and Staigmiller, R. B. 1990. Sperm transport during the puberal transition in ewe lambs. West. Sec. Am. Soc. Anim. Sci. Proc. 41:73-76.

Greer, R.C., Short, R.E., and Bellows, R.A. 1990. A simultaneous equation model of the cause-effect relationships among biological variables: An analysis using postpartum beef cows. Can.J. Anim. Sci. 70:287-299.

Custer, E.E., Berardinelli, J.G., Short, R.E., Wehrman, M., and Adair, R. 1990. Postpartum interval to estrus and patterns of LH and progesterone in first-calf suckled beef cows exposed to mature bulls. J. Anim. Sci. 68:1370-1377.

Caldwell, R.W., Bellows, R.A., Hall, J.A., and Anthony, R.V. 1990. Administration of pig relaxin to beef heifers 4 or 7 days prepartum. J. Reprod. Fertil. 90:165-174.

Bellows, R.A. and Staigmiller, R.B. 1990. Selection for fertility, p. 172-188. In: Fields, M. J. and Sand, R. S. (Co- Chairmen) Factors affecting calf losses, Univ.of Florida Press, Gainesville. (Proc., 39th Annu. Beef Cattle Short Course, Gainesville).

Bellows, R.A. and Short, R.E. 1990. Reproductive losses in the beef industry, p. 120-144. In: Fields, M. J. and Sand, R. S. (Co- Chairmen) Factors affecting calf losses, Univ.of Florida Press, Gainesville, (Proc., 39th Annu. Beef Cattle Short Course, Gainesville).

Bellows, R.A. 1990. Reproduction management--perspectives and importance, p. 1-19. In: Proc., KentuckyBeef Cattle Roundup, Dept. Anim. Sci., Univ.of Kentucky, Lexington.

Bellows, R.A. 1990. An overview of calving difficulty. In: Proc., All-Breeds Conf., Red Deer, Alberta, Canada.

Bellows, R.A., Short, R.E., Kitto, G.P., Staigmiller, R.B., and MacNeil, M.D. 1990. Influence of sire, sex of calf and type of pregnancy on conceptus development. Theriogenology 34:941-954.

Bellows, R.A. 1990. Dystocia - cause and effect relationships, p. 1-7. In: Proc., All-Breeds Conf. Red Deer, Alberta, Canada.

Bellows, R.A. 1990. Dystocia - causes and prevention, p. 12-25. In: Proc. Canadian HerefordAssoc. Centennial Cattle Symp., Can.HerefordAssoc.

Bellows, R.A. 1990. Dystocia in beef cattle, p. 1-14. In: Proc., ManitobaBeef Cattleman's Seminar, Agric. CanadaAgric. Ext. Centre, Brandon, Manitoba, Canada.

Stuart, L.D., James, L.F., Panter, K.E., Call, J.W., and Short, R.E. 1989. Pine needle abortion in cattle: Pathological observations. Cornell Vet. 79:6l-69.

Stear, M.J., Spradbrow, P.B., Tierney, T.J., Nichols, F.W., and Bellows, R.A. 1989. Failure to find an association between ocular squamous cell carcinoma and Class I antigens of the bovine major histocompatibility systems. Anim. Genet. 20:233-237.

Staigmiller, R.B. and Adams, D.C.1989. Free-choice grain and forage diets for early-weaned beef calves. Nutr. Rep. Int. 39:1053-1059.

Staigmiller, R.B., Short, R.E., and Bellows, R.A. 1989. Developing replacement beef heifers to enhance lifetime productivity, p. 104-108. In: Proc., Young Cow Symp., Twin Falls, ID.

Short, R.E., James, L.F., Staigmiller, R.B., and Panter, K.E. 1989. Pine needle abortion in cattle: Associated changes in serum cortisol, estradiol and progesterone. Cornell Vet. 79:53-60.

Short, R.E., Staigmiller, R.B., Adams, D.C., Bellows, R.A., Panter, K.E., and James, L.F. 1989. Effects of feeding pine needles to cattle: abortion response and physiological mechanisms, p. 87-95. In: Proc. The Range Beef Cow Symp. XI, A symposium on production, Rapid City, SD.

Short, R.E., Adams, D.C., Phelps, D.A., Pfister, J.A., and James, L.F. 1989. Effects of dietary protein level and availability of straw on consumption of pine needles and abortion response. West. Sec. Am. Soc. Anim. Sci. Proc. 40:328-329.

Lewis, A.W., Berardinelli, J.G., and Staigmiller, R. 1989. Effects of estradiol benzoate (EB) on physical characteristics of oviducts and uteri in ovariectomized ewes during the puberal transition. West. Sec. Am. Soc. Anim. Sci. Proc. 40:313-316.

James, L.F., Short, R.E., Panter, K.E., Molyneux, R.J., Stuart, L.D., and Bellows, R.A. 1989. Pine needle abortion in cattle: A review and report of l973-l984 research. Cornell Vet. 79:39-52.

Bellows, R.A. 1989. Nutrition--role in reproduction. In: Edmiston, E. L. (ed.) Increasing profits through young cow development, Symp. Proc., IdahoTotal Beef Program Misc. Publ. 128:44-84.

Bellows, R.A. 1989. Dystocia in beef cattle--genetic and nutritional aspects. Proc. Northwest Nutr. Conf. 24:143-153.

Bellows, R.A. 1989. Dystocia in beef cattle. In: Hingston, A. (ed.) Getting back to the basics. Proc., Provincial Cattleman's Seminar, SaskatchewanAgric., Moose Jaw, Sask., Canada.

Bellows, R.A. 1989. Breeding cattle for the Northern Great Plains. In: Hingston, A. (ed.) Getting back to the basics, Proc., Provincial Cattleman's Seminar, Saskatchewan Agric., Moose Jaw, Sask., Canada.

Staigmiller, R.B. 1988. In vitro methods for production of viable oocytes. J. Anim. Sci. 66(Suppl. 2):54-64.

Short, R.E. and Adams, D.C.1988. Nutritional and hormonal interrelationships in beef cattle reproduction. Can.J. Anim. Sci. 68:29-39.

Short, R.E., Staigmiller, R.B., and Bellows, R.A. 1988. Hormonal treatments to induce ovulation. Proc. llth Int. Cong. Anim. Reprod. and Art. Insem. 5:146-154, Dublin, Ireland.

Short, R.E. 1988. Effects of nutrition on postpartum anestrus and infertility of beef cattle. In: Proc. effects of nutrition on postpartum anestrus and infertility of beef cattle. Symp.,Chapingo, Mexico.

Lewis, A.W., Berardinelli, J.G., and Staigmiller, R.B. 1988. Physical characteristics of oviducts and uteri in ewe lambs during the puberal transition. West. Sec. Am. Soc. Anim. Sci. Proc. 39:290-293.

Lacey, J.R., James, L.F., and Short, R.E. 1988. Ponderosa Pine: Economic Impact, p. 95-118. In: James, L.F., Ralphs, M.H. and Nielsen, D.B. (eds.) The ecology and economic impact of poisonous plants on livestock production, Westview Press, Boulder, Colorado.: Montana State Univ., Bozeman, MT59717.

Halfpop, P.J., Petersen, M.K., Bellows, R.A., and McInerney, M.J. 1988. Protein supplementation of lactating beef heifers. Proc., MontanaNutr. Conf. 39:l4-l9.

Bellows, R.A., Staigmiller, R.B., Short, R.E., and Phelps, D.A. 1988. Genetic and maternal factors associated with fetal growth. West. Sec. Am. Soc. Anim. Sci. Proc. 39:26l-264.

Bellows, R.A., Short, R.E., Staigmiller, R.B., and Milmine, W.L. 1988. Effects of induced parturition and early obstetrical assistance in beef cattle. J. Anim. Sci. 66:1073-1080.

White, R.S. and Short, R. E. (eds ). 1987. Achieving efficient use of rangeland resources. FortKeoghRes. Symp., Montana State Univ. Agric. Exp. Sta., Bozemanin cooperation with Fort Keogh Livest. and Range Res. Lab., USDA- ARS, MilesCity, MT.

Short, R.E., Brooks, A.N., Peters, A.R., and Lamming, G.E. 1987. Opioid modulation of LH secretion during the oestrous cycle of heifers. J. Reprod. Fertil. 80(l):2l3-2l9.

Patterson, D.J., Bellows, R.A., Burfening, P.J., and Carr, J.B. 1987. Occurrence of neonatal and postnatal mortality in range beef cattle. I. Calf loss incidence from birth to weaning, backward and breech presentations and effects of calf loss on subsequent pregnancy rate of dams. Theriogenology 28:557-572.

Miner, J.L., Bellows, R.A., Staigmiller, R.B., Petersen, M.K., Short, R.E., and James, L.F. 1987. Montanapine needles cause abortion in beef cattle. MontanaAgRes. Winter 4:6-9.

Faltys, G.L., Convey, E.M., Short, R.E., Keech, C.A., and Fogwell, R.L. 1987. Relationship between weaning and secretion of luteinizing hormone, cortisol and transcortin in beef cows. J. Anim. Sci. 64:l498-l505.

Byerley, D.J., Berardinelli, J.G., Staigmiller, R.B., and Short, R.E. 1987. Progesterone concentrations in beef heifers bred at puberty or third estrus. J. Anim. Sci. 65:1571-1575.

Byerley, D.J., Berardinelli, J.G., Staigmiller, R.B., and Short, R.E. 1987. Pregnancy rates of beef heifers bred either on puberal or third estrus. J. Anim. Sci. 65:645-650.

Bellows, R.A., Short, R.E., and Staigmiller, R.B. 1987. Some effects of induced parturition and obstetrical assistance. West. Sec. Am. Soc. Anim. Sci. Proc. 38:59-62.

Bellows, R.A. 1987. Superovulation and embryo transfer in cattle, p 1-15. In: Proc. U.S. State Dept. and F.A.S. Seminar (US/USSR) on biotechnology of embryo transfer, Clay Center, NE.

Bellows, R.A. 1987. Physiological relationships that limit production of range beef cattle, p. 50-55.In: White, R.S. and Short, R.E. (eds.) Achieving efficient use of rangeland resources, Fort Keogh Res. Symp.

Bellows, R.A., Patterson, D.J., Burfening, P.J., and Phelps, D.A. 1987. Occurrence of neonatal and postnatal mortality in range beef cattle. II. Factors contributing to calf death. Theriogenology 28:573-586.

Bellows, R.A. 1987. Calf losses at the Livestock and Range Research Laboratory with specific reference to abomasitis and perforated abomasal ulcers, p. 1-11. In: Proc. Abomasitis/abnormal ulcer Conf. Depts. Anim. and Vet. Sci., Laramie, WY.

Wood, A.K., Short, R.E., Darling, A., Dusek, G.L., Sasser, R.G., and Ruder, C. A. 1986. Serum assays for detecting pregnancy in mule and white-tailed deer. J. Wildlife Manage. 59:684-687.

Spicer, L.J., Convey, E.M., Leung, K., Short, R.E., and Tucker, H.A. 1986. Anovulation in postpartum suckled beef cows. II. Associations among binding of l25I-labeled gonadotropins to granulosa and thecal cells, and concentrations of steroids in serum and various sized ovarian follicles. J. Anim. Sci. 62:742-750.

Spicer, L.J., Leung, K., Convey, E.M., Gunther, J., Short, R.E., and Tucker, H.A. 1986. Anovulation in postpartum suckled beef cows. I. Associations among size and numbers of ovarian follicles, uterine involution and hormones in serum and follicular fluid. J. Anim. Sci. 62:734-74l.

Short, R.E., Brooks, A.N., Peters, A.R., and Lamming, G.E. 1986. Opioid modulation of LH secretion during the oestrous cycle of heifers, p. 22-27. In: Proc., 8th Annu. Winter Workshop Can.West Soc. for Reprod. Biol., Vol. VIII.

Leung, K., Padmanabhan, V., Spicer, L.J., Tucker, H.A., Short, R.E., and Convey, E.M. 1986. Relationship between pituitary GnRH-binding sites and pituitary release of gonadotrophins in post-partum beef cows. J. Reprod. Fertil. 76:53-63.

Anthony, R.V., Bellows, R.A., Short, R.E., Staigmiller, R.B., Kaltenbach, C.C., and Dunn, T.G. 1986. Fetal growth of beef calves. II. Effect of sire on prenatal development of the calf and related placental characteristics. J. Anim. Sci. 62:l375-l387.

Anthony, R.V., Bellows, R.A., Short, R.E., Staigmiller, R.B., Kaltenbach, C.C., and Dunn, T.G. 1986. Fetal growth of beef calves. I. Effect of prepartum dietary crude protein on birth weight, blood metabolites and steroid hormone concentrations. J. Anim. Sci. 62:l363-l374.

Staigmiller, R.B., Brownson, R.M., Kartchner, R.J., and Williams, J.H. 1985. Sexual development in beef bulls following zeranol implants. J. Anim. Sci. 60:342-355.

Sasser, R.G., Ruder, C.A., Ivani, K.A., Short, R.E., and Wood, A. K. 1985. Pregnancy-specific protein B in serum of various species. In: Ellendorff, F. and Koch, E. (eds.) Early pregnancy factors. Perinatology Press, l985. Proc. Int. Workshop in Mariensee, West Germany.

Nelsen, T.C., Short, R.E., Phelps, D.A., and Staigmiller, R.B. 1985. Nonpuberal estrus and mature cow influences on growth and puberty in heifers. J. Anim. Sci. 6l:470-473.

Bellows, R.A. 1985. Some research at the Fort Keogh Livestock and Range Research Station, p. 149-157. In: Proc. The Range Beef Cow Symp. IX. Univ.NebraskaExt. Serv. Publ.

Bellows, R.A. 1985. Integration of beef cattle reproduction and the range resource. West. Sec. Am. Soc. Anim. Sci. Proc. 36:l-3.

Staigmiller, R.B. and Moor, R. 1984. In vitro maturation of extrafollicular ovine oocytes, p. II.43.In: Proc. l0th Int. Cong. Anim. Reprod. and AI.

Staigmiller, R.B. and Moor, R.M. 1984. Effect of follicle cells on the maturation and development competence of ovine oocytes matured outside the follicle. Gamete Res. 9:22l-229.

Moseley, W.M., Dunn, T.G., Kaltenbach, C.C., Short, R.E., and Staigmiller, R.B. 1984. Negative feedback control of luteinizing hormone secretion in prepuberal beef heifers at 60 and 200 days of age. J. Anim. Sci. 58:l45-l50.

Leung, K., Padmanabhan, V., Convey, E.M., Short, R.E., and Staigmiller, R.B. 1984. Relationship between pituitary responsiveness to Gn-RH-binding sites in pituitary glands of beef cows. J. Reprod. Fertil. 7l:267-277.

Doornbos, D.E., Bellows, R.A., Burfening, P.J., and Knapp, B.W. 1984. Effects of dam age, prepartum nutrition and duration of labor on productivity and postpartum reproduction in beef females. J. Anim. Sci. 59:l-l0.

Bellows, R.A. 1984. Managing heifers for optimum reproduction, p. 1-21. In: Proc., C.J. and F.E. King Workshop, Reprod. Manage. of Beef Cattle, Arkansas Agric. Exp. Sta. Spec. Rep. 119, Univ.of Arkansas, Fayetteville.

Bellows, R.A. 1984. Integration of beef cattle reproduction and the range resource. West. Sec. Am. Soc. Anim. Sci. Proc. 36:1-3.

Bellows, R.A. and Patterson, D.J. 1984. Factors affecting calf losses and calving difficulty, p. 17-26. In: Proc. l3th Annu. Cow-Calf Conference, Ottumwa, IA.

Bellows, R.A. 1984. Calving Management, p. 145-147. In: Theriogenology Annu. Fall Meet. Proc.

Staigmiller, R.B. 1983. The use of growth stimulants in replacement heifer management, p. 25-27.In: Proc. Soc. for Study of Anim. Breeding.

Staigmiller, R.B., Bellows, R.A., and Short, R.E. 1983. Growth and reproductive traits in beef heifers implanted with zeranol. J. Anim. Sci. 57:527-534.

Lunstra, D.D., Hayes, W.G., Bellows, R.A., and Laster, D.B. 1983. Clitoral stimulation and the effect of age, breed, technician and postpartum interval on pregnancy rate to artificial insemination in beef cattle. Theriogenology l9:555-563.

Greer, R.C., Whitman, R.W., Staigmiller, R.B., and Anderson, D.C.1983. Estimating the impact of management decisions on the occurrence of puberty in beef heifers. J. Anim. Sci. 56(l):30-39.

Dziuk, P.J. and Bellows, R.A. 1983. Management of reproduction of beef cattle, sheep and pigs. J. Anim. Sci. 57(Suppl. 2):355-379.

Convey, E.M., Tucker, H.A., and Short, R.E. 1983. Acute effect of suckling on gonadotropin, prolactin and glucocorticoid concentrations in serum of intact and ovariectomized beef cows. Theriogenology 20(6):66l-674.

Bellows, R.A. 1983. Spaying heifers--a look at the data, p. 887-891. In: Baker, F.H. (ed.) Beef Cattle Science Handbook Vol. 19. Int. Stockman's School, Winrock Foundation, San Antonio, TX.

Bellows, R.A. 1983. Using technology in beef production, p. 865-871. In: Baker, F.H. (ed.) Beef Cattle Science Handbook Vol. 19. Int. Stockman's School, Winrock Foundation San Antonio, TX.

Bellows, R.A. 1983. Culling cows and beef production, p. 480-487. In: Baker, F.H. (ed.) Beef Cattle Science Handbook Vol. 19. Int. Stockman's School, Winrock Foundation, San Antonio, TX.

Bellows, R.A. 1983. Calf losses--what we can do about them, p. 382-386. In: Baker, F.H. (ed.) Beef Cattle Science Handbook Vol. 19. Int. Stockman's School, Winrock Foundation, San Antonio, TX.

Walters, D.L., Short, R.E., Convey, E.M., Staigmiller, R.B., Dunn, T.G., and Kaltenbach, C. C. 1982. Pituitary and ovarian function in postpartum beef cows. III. Induction of estrus, ovulation and luteal function with intermittent small- dose injections of GnRH. Biol. Reprod. 26:655-662.

Walters, D.L., Short, R.E., Convey, E.M., Staigmiller, R.B., Dunn, T.G., and Kaltenbach, C.C. 1982. Pituitary and ovarian function in postpartum beef cows. II. Endocrine changes prior to ovulation in suckled and nonsuckled postpartum cows compared to cycling cows. Biol. Reprod. 26:647-654.

Walters, D.L., Kaltenbach, C.C., Dunn, T.G., and Short, R.E. 1982. Pituitary and ovarian function in postpartum beef cows. I. Effect of suckling on serum and follicular fluid hormones and follicular gonadotropin receptors. Biol. Reprod. 26:640-646.

Staigmiller, R.B. and England, B.G. 1982. Folliculogenesis in the bovine. Theriogenology l7(l):43-52.

Staigmiller, R.B., England, B.G., Webb, R., Short, R.E., and Bellows, R.A. 1982. Estrogen secretion and gonadotropin binding by individual bovine follicles during estrus. J. Anim. Sci. 55(6):l473-l482.

Pursel, V.G., Elliot, D.O., and Newman, C.W. 1982. Mating by vasectomized boars failed to improve fertility in gilts inseminated with frozen semen. Theriogenology 18:61-64.

Moseley, W.M., Dunn, T.G., Kaltenbach, C.C., Short, R.E., and Staigmiller, R.B. 1982. Relationship of growth and puberty in beef heifers fed monensin. J. Anim. Sci. 55(2):357-362.

Staigmiller, R.B. 1982. Getting cows bred--the effects of nutrition and dystocia. In: Beef Cattle Series, Coop. Ext. Serv. Reno, NV.

Bellows, R.A., Short, R.E., and Richardson, G.V. 1982. Effects of sire, age of dam and gestation feed level on dystocia and postpartum reproduction. J. Anim. Sci. 55:l8-27.

Bellows, R.A. 1982. Beef herd management. In: Proc. Int. Livest. Symp., Texas A&M Univ. Press, El Paso, 10 pp.

Staigmiller, R.B. and Moseley, W.M. 1981. Rumensin and puberty, p. 178-181. In: Proc. The Range Beef Cow Symp. VII, Rapid City, SD.

Staigmiller, R.B. and Bellows, R.A. 1981. Daytime calving, p. 208-211. In: Proc. The Range Beef Cow Symp. VII, Rapid City, SD.

Pursel, V.G., Elliott, D.O., Newman, C.W., and Staigmiller, R.B. 1981. Synchronization in swine with Allyl Trenbolone and subsequent fertility with frozen semen. In: Proc. 9th Int. Cong. on animal reproduction and artificial insemination, Madrid, Spain.

Pursel, V.G., Elliott, D.O., Newman, C.W., and Staigmiller, R.B. 1981. Synchronization of estrus in gilts with Allyl Trenbolone: Fecundity after natural service and insemination with frozen semen. J. Anim. Sci. 52:l30-l33.

Patterson, D.J., Bellows, R.A., and Burfening, P.J. 1981. Effects of cesarean section, retained placenta and vaginal or uterine prolapse on subsequent fertility in beef cattle. J. Anim. Sci. 53:9l6-92l.

Convey, E.M., Walters, D.L., Short, R.E., Padmanabhan, V., and Leung, K. 1981. Pituitary function in suckled and weaned cows postpartum, p. 229-233. In: Karg, H., and Schallenberger, E. (eds.) Influencing fertility in the postpartum cow, Martinus Nijhoff Publishers, The Hague. Oct., 1981. (Seminar Proceedings, CEC Program of Coordination of Research on Beef Production, Freising, West Germany).

Bellows, R.A. 1981. Some nutrition effects on birth weight and calving difficulty and relationships of feeding time and calving. In: Proc., l5th Annu. Conf. on AI of Beef Cattle, Nat'l Assoc. Anim. Breeders.

Bellows, R.A. 1981. Dystocia and fertility, p. 413-415. In: Ensminger, M.E.(ed.). Beef Cattle Science Handbook, Vol. l8.

Bellows, R.A. 1981. Prevention of dystocia, p. 406-412. In: Ensminger, M.E.(ed.). Beef Cattle Science Handbook, Vol. l8.

Bellows, R.A. 1981. Causes of dystocia, p. 402-405. In: Ensminger, M.E.(ed.). Beef Cattle Science Handbook, Vol. l8.

Bellows, R.A. 1981. Beef cattle breeding of the future: potential for applying existing technology - reproduction. Int. Beef Symp. MarylandAgr. Exp. Sta. Bull.

Bellows, R.A., Doornbos, D.E., and Burfening, P.J. 1981. Effects of dam age, feed and time of obstetrical assistance on postpartum reproduction of beef females. J. Anim. Sci. 59:1-10.

Staigmiller, R.B. 1980. Minimizing calving difficulty. In: Proc. Second Annual Western Beef Symposium.

Short, R.E. and Kiracofe, G.H. 1980. Other potential methods of synchronizing estrus. In: Synchronizing estrus in beef cattle, Montana State Univ. Bull. No. 730.

Hawk, H.W. and Bellows, R.A. 1980. Beef and Dairy Cattle, p. 337-345. In: Hafez, E.S.E. (ed.) Reproduction in farm animals.

Bellows, R.A. 1980. Introduction to synchronizing estrus in beef cattle, p. 35. In: Moody, E.L. (ed.) Synchronization of estrus in beef cattle, Montana Agr. Exp. Sta. Bull. 730.

Bellows, R.A. 1980. Factors associated with calving ease. Proc. Nat'l Simmental Meet., Reno, NV, Feb., Simmental Shield l0(9):ll0-l3l.

Staigmiller, R.B., Short, R.E., Bellows, R.A., and Carr, J.B. 1979. Effect of nutrition on response to exogenous FSH in beef cattle. J. Anim. Sci. 48:ll82-ll90.

Staigmiller, R.B. 1979. Some aspects of folliculogenesis in domestic farm animals. In: Proc. CanadaWest Soc. for Reprod. Biol.

Staigmiller, R.B. 1979. Management of replacement heifers for optimum reproductive performance, p. 31-36. In: Cattleman's Handbook for Cattle Conferences.

Staigmiller, R.B. 1979. Management of replacement heifers, p. 77-82. In: Proc. Cow-Calf Country Conferences.

Staigmiller, R.B., Short, R.E., and Bellows, R.A. 1979. Induction of LH surges with l7b estradiol in prepuberal beef heifers: an age dependent response. Theriogenology ll:453-459.

Short, R.E., Randel, R.D., Staigmiller, R.B., and Bellows, R.A. 1979. Factors affecting estrogen-induced LH release in the cow. Biol. Reprod. 2l:683-689.

Short, R.E., Randel, R.D., and Bellows, R.A. 1979. Effect of mating stimuli on LH release in bulls. Theriogenology ll:273-276.

Short, R.E., Bellows, R.A., Staigmiller, R.B., and Carr, J.B. 1979. Multiple and nonlinear regression analysis of factors causing calving difficulty. Theriogenology l2:l2l-l30.

Short, R.E., Carr, J.B., Graves, N.W., Milmine, W.L., and Bellows, R.A. 1979. Effect of clitoral stimulation and length of time to complete AI on pregnancy rates in beef cattle. J. Anim. Sci. 49:647-650.

Randel, R.D., Short, R.E., and Bellows, R.A. 1979. Steroid levels after intramuscular injection of radioactive estradiol-l7b estrone, progesterone and testosterone in the bovine. Theriogenology ll:l85-l95.

Patterson, D.J., Bellows, R.A., Burfening, P.J., Short, R.E., and Miller, R.J. 1979. Effects of cesarean section, retained placenta and vaginal or uterine prolapse on subsequent fertility in beef cattle. West. Sec. Am. Soc. Anim. Sci. Proc. 30:223-226.

Forrest, D.W., Moseley, W.M., Kaltenbach, C.C., Dunn, T.G., Short, R.E., and Staigmiller, R.B. 1979. Serum LH response to estrone on short-term calf removal in postpartum beef cows. West. Sec. Am. Soc. Anim. Sci. Proc. 30:227-229.

Bellows, R.A. 1979. Heifer and cow management, p. 15-27. In: Proc. Western Beef Symp. National Food Animal Symposia, Inc.

Bellows, R.A. 1979. Managing for higher calf crop percentages. National Angus Outlook Conference, Colorado State Univ., Fort Collins. 10 p.

Bellows, R.A. 1979. Dystocia and associated factors, p. 33-41. In: Proc.RangeBeef Cow Symposium, VI. Universityof Wyoming, Cheyenne.

Bellows, R.A., Staigmiller, R.B., Carr, J.B., and Short, R.E. 1979. Beef production from mature cows on range forage. J. Anim. Sci. 46:654-663.

Short, R.E., Carr, J.B., Graves, N.W., Milmine, W.L., and Bellows, R.A. 1979. Effect of clitoral stimulation and length of time to complete AI on pregnancy rates in beef cattle. J. Anim. Sci. 49:647-650.

Woodward, R.R. and Bellows, R.A. 1978. The importance of maintaining high reproductive performance in a purebred herd, p. 20-23. In: Proc. ManitobaBeef Cattlemen's Seminar, ManitobaDept. Agr. and Agr. Canada.

Short, R.E., Staigmiller, R.B., Bellows, R.A., and Carr, J.B. 1978. Effect of suckling and a prolactin inhibitor (CB-l54) on postpartum anestrus in the cow. West. Sec. Am. Soc. Anim. Sci. Proc. 29:308-309.

Short, R.E., Kartchner, R.J., and Bellows, R.A. 1978. Relationship of range animal physiology to the range resources, p. 74-89. In: Proc. Regional Rangeland Symp., Management and use of northern plains rangeland, Soc. for Range Management, Old West Regional Comm. and NDSU Coop. Ext. Serv.

Carr, J.B., Short, R.E., Graves, N.W., and Milmine, W.L. 1978. Effect of clitoral stimulation and length of time to complete AI on pregnancy rates in beef cattle. West. Sec. Am. Soc. Anim. Sci. Proc. 29:266-269.

Bellows, R.A. 1978. Rebreeding the cow herd, p. 21-27. In: Proc. l2th Nat'l Conf. on AI of Beef Cattle, Nat'l Assoc. Anim. Breeders.

Bellows, R.A. 1978. Problems at calving, p. 1-10. In: Proc. ManitobaBeef Cattlemen's Seminar. ManitobaDept. Agr. and Agr. Canada. Also, Proc. Beef Cattle Short Course and Annu. Meet., West Virginia Cattlemen's Assoc., West Virginia Ext. Serv., West Virginia Univ., Morgantown.

Bellows, R.A. 1978. Developing replacement heifers, p. 10. In: Proc. Beef Cattle Short Course and Annual Meeting, West Virginia Cattlemen's Assoc., West Virginia Ext. Serv., West Virginia Univ., Morgantown.

Bellows, R.A. 1978. Developing replacement heifers, p. 10. In: Proc., Nat'l Extension-Industry Invitational Workshop on Beef Cattle Reproductive Management, Oklahoma City, Oklahoma, SEA- Extension, Washington, D.C.

Bellows, R.A. and Short, R.E. 1978. Effects of precalving feed level on birth weight, calving difficulty and subsequent fertility. J. Anim. Sci. 46:l522-l528.

Bellows, R.A., Carr, J.B., Patterson, D.J., Thomas, O.O., Killen, J.H., and Milmine, W.L. 1978. Effects of ration protein content on dystocia and reproduction in beef heifers. West. Sec. Am. Soc. Anim. Sci. Proc. 26:263- 265.

Bellows, R.A., Short, R.E., and Staigmiller, R.B. 1978. Physiological problems in beef cattle, p. 3-18. In: Proc., Beltsville Symp. Agr. Res. III, Animal Reproduction.

Beal, W.E., Short, R.E., Staigmiller, R.B., Bellows, R.A., Kaltenbach, C.C., and Dunn, T.G. 1978. The influence of dietary energy intake on bovine pituitary and luteal function. J. Anim. Sci. 46:l8l-l88.

Staigmiller, R.B. 1977. Management of replacement heifers, p. 372-375. In: Ensminger, M.E.(ed.) Beef Cattle Science Handbook, Int. Stockmen's School.

Staigmiller, R.B. 1977. Factors influencing calving difficulty, 320-323. In: Ensminger, M.E.(ed.) Beef Cattle Science Handbook, Int. Stockmen's School.

Short, R.E. and Bellows, R.A. 1977. Calving difficulty: its causes, prevention and management. In: Proceedings, Sixth Annual Cornbelt Cow-Calf Conference, Ottumwa, Iowa, February 26.

Bellows, R.A. 1977. Factors affecting calving difficulty and calving techniques. In: Proc. MontanaCow-Calf Conference, Montana State Univ. Press, Bozeman.

Bellows, R.A. 1977. Dystocia and associated factors. In: Proc. World Charolais Conf., Monterrey, Mexico.

Short, R.E., Bellows, R.A., Carr, J.B., Staigmiller, R.B., and Randel, R.D. 1976. Induced or synchronized puberty in heifers. J. Anim. Sci. 43:l254-l258.

Nett, T.M., Staigmiller, R.B., Akbar, A.K., Dickman, M.A., Ellenwood, W.E., and Niswender, G.D. 1976. Secretion of prostaglandin F2 in cycling and pregnant ewes. J. Anim. Sci. 42:876-880.

Kaltenbach, C.C., Dunn, T.G., Koritnik, D.R., Tucker, W.F., Batson, D.B., Staigmiller, R.B., and Niswender, G.D. 1976. Isolation and identification of metabolites of 14C-labeled estradiol in cattle. J. Toxicology and Environmental Health 1:607-616.

Daily, R.A., Clark, J.R., Staigmiller, R.B., First, N.L., Chapman, A.B., and Casida, L.E. 1976. Growth of new follicles following electrocautery in four genetic groups of swine. J. Anim. Sci. 43:175-183.

Bellows, R.A. 1976. Nutrition and fertility relationships, perinatal calf losses and multiple births in cattle, p. 154-161. In: Proc. Joint U.S.-U.S.S.R. Reprod. Symp., Moscow, July, l976, Agr. Res. Tech. Dev.

Bellows, R.A. and Thomas, O.O. 1976. Some effects of supplemental grain feeding on performance of cows and calves on range forage. J. Range Manage. 29:l92-l95.

Bellows, R.A. 1976. Heifers and calving difficulty, p. 20-29. In: Proc. Twenty-seventh Montana Nutr. Conf., Montana State Univ., Bozeman.

Bellows, R.A. 1976. Development of the calf, p. 7. In: Proc. l976 California Livestock Symp., Fresno, California Ext. Serv.

Bellows, R.A. 1976. Calving difficulty and how to handle it. Stockmen's School, Carroll, Iowa, March 2.

Bellows, R.A. 1976. Developing replacement heifers, p. 9. In: Proc. CaliforniaLivestock Symp., Fresno, CaliforniaExt. Serv.

Randel, R.D., Short, R.E., Christensen, D.S., and Bellows, R.A. 1975. Effect of clitoral massage after artificial insemination on conception in the bovine. J. Anim. Sci. 40:lll9-ll23.

Graves , N.W., Dunn, T.G., Kaltenbach, C.C., Short, R.E., and Carr, J.B. 1975. Estrus and ovulation with prostaglandin F2, Norgestomet and gonadrotrophin releasing hormone. West. Sec. Am. Soc. Anim. Sci. Proc. 26:193-195.

Clark , J.R., Dailey, R.A., Staigmiller, R.B., First, N.L., Chapman, A.B., and Casida L.E. 1975. Observed associations between corpora lutea and follicular development in swine ovaries during the estrous cycle. J. Anim. Sci. 41:1693-1699.

Bellows, R.A. 1975. (l) Estrous detection methods in artificial insemination. (2) Causes and prevention of calf losses. (3) Calving difficulty--its effects on productivity and how to deal with it.In: Proc. Beef Cattle Reproduction Conf., Univ. Kentucky, Coop. Ext. Serv., Lexington.

Bellows, R.A. 1975. How you can obtain pelvic measurements in heifers. Simm. Shield 6(2):85-86.

Bellows, R.A., Rumsey, T.S., Kasson, C.W., Bond, J., Warwick, E.J., and Pahnish, O.F. 1975. Effects of organic phosphate systemic insecticides on bovine embryonic survival and development. Am. J. Vet. Res. 36:ll33-ll40.

Staigmiller, R.B., First, N.L., and Casida, L.E. 1974. Compensatory growth and function of luteal tissue following unilateral ovariectomy during early pregnancy in pigs. J. Anim. Sci. 39:752-758.

Short, R.E. and Randel, R.D. 1974. Present status of basic reproduction research at MilesCity, p. 253-258. In: Ensminger, M.E.(ed.) Beef Cattle Sciences Handbook, Vol. II., Agriservices Foundation, Clovis, CA.

Short, R.E. and Varner, L.W. 1974. Management of replacement heifers, p. 306-309. In: Ensminger, M.E.(ed.) Beef Cattle Sciences Handbook, Vol. II, Agriservices Foundation, Clovis, CA.

Short, R.E. and Bellows, R.A. 1974. Factors affecting calf losses and calving difficulty, p. 259-265.In: Ensminger, M.E. (ed.) Beef Cattle Sciences Handbook Vol. II, Agriservices Foundation, Clovis, CA.

Bellows, R.A. 1974. (l) Factors affecting calving difficulty-- can we control them? (2) Predicting calving difficulty. In: Proc. Cattlemen's Seminar, Prov. Manitoba, Dept. of Agr. Publ.

Bellows, R.A. 1974. Factors influencing the percent calf crop, p. 13-27. In: Proc. Sioux Empire Beef Cow-Calf Conf., Sioux Falls, South Dakota, South Dakota Coop. Ext. Serv., Brookings.

Bellows, R.A., Short, R.E., Urick, J.J., and Pahnish, O.F. 1974. Effects of early weaning on postpartum reproduction of the dam and growth of calves born as multiples or singles. J. Anim. Sci. 39:589-600.

Bellows, R.A. 1974. Calf losses and calving difficulty. Proc. Cattlemen's Seminar, Prov. Manitoba, Dept. of Agr. Publ., Reg. Div.

Staigmiller, R.B. and First, N.L. 1973. The effect of a "single-feed flush" on ovulation in gilts. J. Reprod. Fertil. 35:573-575.

Short, R.E., Howland, B.E., Randel, R.D., Christensen, D.S., and Bellows, R.A. 1973. Induced LH release in spayed cows. J. Anim. Sci. 37:55l-557.

Randel, R.D., Short, R.E., Christensen, D.S., and Bellows, R.A. 1973. Effects of various mating stimuli on the LH surge and ovulation time following synchronization of estrus in the bovine. J. Anim. Sci. 37:l28-l30.

First, N.L. and Staigmiller, R.B. 1973. Effects of ovariectomy, dexamethasone and progesterone on the maintenance of pregnancy in swine. J. Anim. Sci. 37:1191-1194.

Bellows, R.A. 1973. Problems at calving, suggestions for successful delivery of calves in difficult obstetrical cases, p. 1-14. In: FranklinLaboratories Handbook.

Bellows, R.A. 1973. Management - the key to improved reproductive efficiency of beef cattle during the l980's. Great Plains Beef Symposium: Improving efficiency of calf production in the l980's using resources of the Great Plains. Great PlainsAgr. Council Publ. No. 63, Univ. NebraskaPress, Lincoln.

Staigmiller, R.B., First, N.L., and L.E. Casida, L. E. 1972. Ovarian compensatory hypertrophy following unilateral ovariectomy in hysterectomized and early pregnant gilts. J. Anim. Sci. 35:809-813.

Staigmiller, R.B., Garbers, D.L., and First, N.L. 1972. The effect of energy intake and ICI 33828 on ovulation rate in swine. J. Reprod. Fertil. 30:317-319.

Short, R.E., Bellows, R.A., Moody, E.L., and Howland, B.E. 1972. Effects of suckling and mastectomy on bovine postpartum reproduction. J. Anim. Sci. 34:70-74.

Short, R.E., Randel, R.D., Howland, B.E., Christensen, D.S., and Bellows, R.A. 1972. Attempt to block induced LH release in spayed cows. West. Sec. Am. Soc. Anim. Sci. Proc. 23:283-287.

Randel, R.D., Short, R.E., Christensen, D.S., and Bellows, R.A. 1972. Effect of mating stimuli on LH and ovulation in the cow. West. Sec. Am. Soc. Anim. Sci. Proc. 23:288-292.

Bellows, R.A. 1972. Some effects of nutrition on reproduction in first-calf heifers. Pract. Nutr. 6:l8-2l.

Bellows, R.A. 1972. Reproductive efficiency, p. 184-197. In: Proc. Twenty-second Beef Cattle Short Course, Improving reproductive efficiency in beef cattle. Texas A & M Univ. Press.

Bellows, R.A. 1972. Factors affecting losses at calving, p. 168-183. In: Proc. Twenty-second Beef Cattle Short Course, Texas A & M Univ., Improving reproductive efficiency in beef cattle. Also p. 69-84. In: Proc. of Short Course for Vet., Colorado State Univ., Fort Collins, Univ. ColoradoPress.

Short, R.E. and Bellows, R.A. 1971. Relationships among weight gains, age at puberty and reproductive performance in heifers. J. Anim. Sci. 32:l27-l3l.

Bellows, R.A., Gibson, R.B., Anderson, D.C., and Short, R.E. 1971. Precalving body size and pelvic area relationships in Herefordheifers. J. Anim. Sci. 33:455-457.

Bellows, R.A. 1971. Causes of neonatal calf losses. Colorado State Univ., Fort Collins, Publ. jointly by Nat'l. Soc. for Study of Breeding Soundness and ColoradoBeef Prod.

Bellows, R.A., Short, R.E., Anderson, D.C., Knapp, B.W., and Pahnish, O.F. 1971. Cause and effect relationships associated with calving difficulty and calf birth weight. J. Anim. Sci. 33:407-4l5.

Bellows, R.A. 1971. Improving reproductive performance of heifers. Annual Livestock Roundup, DickinsonAgr. Exp. Sta., Dickinson, North Dakota.

Bellows, R.A. 1971. Calf losses in beef cattle. Results of Beef Cattle Research. Iowa State Univ., A. S. Leaflet R l59-l63.

Bellows, R.A., Foote, W.C., Hopwood, M.L., and Cupps, P.T. 1971. Physiology of reproduction in cattle, p. 1-66. In: Tech. Comm. West. Reg. Proj. W-95, CaliforniaAgr. Exp. Sta. Bull. 853.

Bellows, R.A. 1971. Total production from a beef herd. Colorado State Univ., Fort Collins, Publ. jointly by Nat'l. Soc. for Study of Breeding Soundness and ColoradoBeef Prod.

Bellows, R.A. 1971. Calf losses in beef cattle, p. 9-13. In: Proc. Fifth Conf. Art. Ins. of Beef Cattle, Nat'l. Assoc. Anim. Breeders.

Bellows, R.A. and Hawkins, W.W. 1970. Western Region beef cattle task force recommendations, reproductive performance. U. S.Range Livest. Exp. Sta. Misc. Publ.

Bellows, R.A. 1970. Feeding heifers for optimum reproductive performance, p. 7-10. In: Proc. Twenty-first Annu. MontanaNutr. Conf., Montana State Univ. Press, Bozeman.

Bellows, R.A. 1970. Multiple births for beef production, p. 28-31. In: Proc. Fourth Conf. Artif. Ins. of Beef Cattle, Nat'l. Assoc. Animal Breeders.

Bellows, R.A., Short, R.E., Wiltbank, N.H., and Pahnish, O.F. 1970. Multiple births and artificial rearing of calves. Am. Soc. Anim. Sci. West. Sec. Proc. 21:57-61.

Peters, J.B., Short, R.E., First, N.L., and Casida, L.E. 1969. Attempts to induce fertility in postpartum sows. J. Anim Sci. 29:20-24.

Bellows, R.A., Anderson, D.C., and Short, R.E. 1969. Dose- response relationships in synchronized beef heifers treated with follicle stimulating hormone. J. Anim. Sci. 28:638-644.

Short, R.E. 1968. The male's role in reproduction, p. 17-18. In: Proc., A.I.School, Dept. Anim. Sci., Montana State Univ., Bozeman.

Short, R.E. 1968. Anatomical basis of reproduction and fertility, p. 4-6. In: Proc. MontanaBeef Prod. School, MontanaCoop. Ext. Service, Montana State Univ., Bozeman.

Short, R.E., Peters, J.B., First, N.L., and Casida, L.E. 1968. Effect of exogenous progesterone and unilateral ovariectomy on ovarian and pituitary gland activity. J. Anim. Sci. 27:705-708.

Short, R.E., Peters, J.B., First, N.L., and Casida, L.E. 1968. Effect of two levels of feeding on ovarian activity, embryo survival and ovarian compensatory hypertrophy in the rabbit. J. Anim. Sci. 28:701-704.

Short, R.E., Peters, J.B., First, N.L., and Casida, L.E. 1968. Effect of unilateral ovariectomy at three stages of the estrous cycle on the activity of the remaining ovary and pituitary gland. J. Anim. Sci. 27:691-696.

Short, R.E. 1968. Hormones involved in reproduction, p. 17-18. In: Proc.A.I.School, Dept. Anim. Sci., Montana State Univ., Bozeman.

Peters, J.B., Short, R.E., First, N.L., and Casida, L.E. 1968. Ovarian and pituitary gland changes in hysterectomized postpartum sows treated with FSH and oxytocin. J. Anim. Sci. 27:1027-1031.

First, N.L., Short, R.E., Peters, J.B., and Stratman, F.W. 1968. Transport and loss of boar spermatozoa in the reproductive tract in the sow. J. Anim. Sci. 27:1037-1040.

First, N.L., Short, R.E., Peters, J.B., and Stratman, F.W. 1968. Transport of boar spermatozoa in estrual and luteal sows. J. Anim. Sci. 27:1032-1036.

Bellows, R.A. 1968. Increasing pounds of calf weaned per cow, p. 12-16. In: Proc., Beef Cattle Management Conf., Coop. Ext. Serv., Montana State Univ., Bozeman.

Bellows, R.A. 1968. Reproduction and growth in beef heifers. A.I. Digest, Vol. XVI(1):6-l0.

Short, R.E. 1967. Hormones involved in reproduction, p. 7. In: Proc.A.I.School, Dept. Anim. Sci., Montana State Univ., Bozeman.

Anderson , D.C. and Bellows, R.A. 1967. Some causes of neonatal and postnatal calf losses. West. Sec. Am. Soc. Anim. Sci. Proc. 18:15-20.

Bellows, R.A. 1966. Some effects of breed crossing on reproductive performance of beef herds bred via natural service. Published in the following: Proc. Montana Beef Prod. School, Coop. Ext. Serv., Montana State Univ., Bozeman, Proc. Eighth Annual Beef Cattle Short Course, Coop. Ext. Serv., Univ. Wyoming, Laramie, A.I. Digest, Vol. l5:3, p. 6-9.

Bellows, R.A. 1966. Increasing pounds of calf weaned per cow bred, p. 56. In: Proc. l7th Annu. MontanaNutr. Conf., Montana State Univ., Bozeman. Also p. 112-114. In: Proc. MontanaAI School, Montana State Univ. Press.

Bellows, R.A. 1966. Improving reproductive efficiency in beef cattle. Vet. Scope XI, 3:l-l6.

Bellows, R.A. 1966. Estrous synchronization in beef cattle, p. 1-8. In: Proc. l966 MontanaVet. Med. Assoc. Annu. Meet.

Peters, J.B., Short, R.E., First, N.L., and Casida, L.E. 1965. Induction of fertility in postpartum sows. J. Anim. Sci. 24(3):927.

Bellows, R.A. 1965. Improving reproductive efficiency in beef cattle, p. 107-112. In: Proc., Stockman's Shortcourse, Wash. State Univ. Press, Pullman.

Bellows, R.A., Thomas, O.O., Riley, T.M., Gibson, R.B., Kieffer, N.M., Urick, J.J., and Pahnish, O.F. 1965. Feed effects on puberty in beef heifers. West. Sec. Am. Soc. Anim. Sci. Proc. 16:(XII) l-6.

Bellows, R.A. 1965. Synchronization of estrus in beef cattle. p. 25-30. In: Proc. Stockman's Shortcourse, Washington State Univ. Press.

Bellows, R.A. 1964. Factors affecting age at puberty in beef bulls and heifers p. 50-53. In: Proc.Mont.Beef Prod. School, Coop. Ext. Serv., Mont. State Univ., Bozeman.

Bellows, R.A.(ed.). 1964. Proc. of third annual animal physiology workshop. Montana State Univ. Publ. No. ll6.

Bellows, R.A., Riley, T.M., Kieffer, N.M., and Urick, J.J. 1964. Exploratory studies of the effects of insulin and gonadotropin (PMS) on ovarian activity in beef heifers. West. Sec. Am. Soc. Anim. Sci. Proc. l5:(VI) l-6.

Bellows, R.A., Riley, T.M., Kieffer, N.M., Urick, J.J., Brinks, J.S., and Clark, R.T. 1964. Preliminary studies of sperm and breeding ability in young straight and crossbred bulls. West. Sec. Am. Soc. Anim. Sci. Proc. 15:(I)1-5.

Bellows, R.A., Pope, A.L., Meyer, R.K., Chapman, A.B., and Casida, L.E. 1963. Physiological mechanisms in nutritionally-induced differences in ovarian activity of mature ewes. J. Anim. Sci. 22:93-100.

Bellows, R.A., Pope, A.L., Chapman, A.B., and Casida, L.E. 1963. Effect of level and sequence of feeding and breed on ovulation rate, embryo survival and fetal growth in the mature ewe. J. Anim. Sci. 22:101-108.

Bellows, R.A. 1963. Increasing calf production of range beef cattle, p.65-71. In: Proc. North Mont.Beef Prod. School, Coop. Ext. Serv., Mont. State Univ., Bozeman.

Bellows, R.A. 1963. Gonadotropin bioassay, p. 23-24. In: Proc. First Annu. Anim. Physiology Workshop, Utah State Univ. Press, Logan.

Rice, F.J., Woodward, R.R., Quesenberry, J.R., and Willson, F.S. 1961. Fertility of beef cattle raised under range conditions. MontanaAgric. Exp. Sta. Bull 461.

Baker, A.L. and Quesenberry, J.R. 1944. Fertility of range cattle. J. Anim. Sci. 3:78-87.

Andrews, F.N. and McKenzie, F.F. 1941. Estrus, ovulation and related phenomena in the mare. MissouriAgric. Exp. Sta. Bull. 329.

Marsh, H.H. and Welch, H. 1940. The control of Bang's disease in an experimental herd of range cattle. J. Am. Vet. Med. Assoc. 96: 73-77.

Andrews, F.N. and McKenzie, F.F. 1938. Variations in estrus and ovulation in the mare and breeding results, p. 228-232. In: Proc., Am. Soc. Anim. Prod.

McKenzie, F.F. and Andrews, F.N. 1937. Variations in estrus and ovulation in the mare, p.64-70.In: Proc., Am. Soc. Anim. Prod.

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USDA, ARS Fort Keogh Livestock and Range Research Laboratory
243 Fort Keogh Rd., Miles City, MT 59301-4016
Phone: 406-874-8200, Fax: 406-874-8289


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