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United States Department of Agriculture

Agricultural Research Service

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                             Tom Geary's Publications

Geary, T. W. and A. J. Roberts. 2011. Improving reproductive performance: Long and short term. Proceedings of the XV Course on New Approaches to Production and Reproduction in Cattle. Pp. 370-385. Uberlandia, Brazil, March 18, 2011.

Geary, T. W. and F. M. Abreu. 2011. Factors affecting fertilization and pregnancy establishment in beef cows. Proceedings of the XV Course on New Approaches to Production and Reproduction in Cattle. Pp. 272-287. Uberlandia, Brazil, March 17, 2011.

Atkins, J. A., M. F. Smith, K. J. Wells, and T. W. Geary. 2010. Factors affecting pre-ovulatory follicle diameter and ovulation rate following GnRH in postpartum beef cows Part II: Anestrous cows. J. Anim. Sci. 88:2311-2320.

>Atkins, J. A., M. F. Smith, K. J. Wells, and T. W. Geary. 2010. Factors affecting pre-ovulatory follicle diameter and ovulation rate to GnRH in postpartum beef cows Part I: Cycling cows. J. Anim. Sci. 88:2300-2310.

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.

Perry, G. A., J. C. Dalton, and T. W. Geary. 2010. Management factors influencing fertility in synchronized and natural breeding programs Proc. National Cattlemen’s Beef Association Applied Reproductive Strategies in Beef Cattle Workshop. January 28 and 29, San Antonio, TX. Pp.147-172.

>Roberts, A. J., R. C. Waterman, T. W. Geary, L. J. Alexander, and M. D. MacNeil. 2010. Level of maternal winter supplement and feed restriction during postweaning development influences concentrations of IGF-1 in heifers during the peripartum and rebreeding period. Proc. West. Sec. Am. Soc. Anim. Sci. 61:194-196.

Roberts, C. A. T. W. Geary, M. D. MacNeil, R. C. Waterman, A. J. Roberts, and L. J. Alexander. 2010. Factors affecting spermatozoa morphology in beef bulls. Proc. West. Sec. Am. Soc. Anim. Sci. 61:122-125.

Alexander, L. J., L. A. Kuehn, T. P. Smith, L. K. Matukumalli, B. Mote, J. E. Koltes, J. Reecy, T. W. Geary, D. C. Rule, and M. D. MacNeil. 2009. A Limousin specific myostatin allele affects longissimus muscle area and fatty acid profiles in a Wagyu-Limousin F2 population. J. Anim. Sci. 87: 1576-1581.

Roberts, A. J., E. E. Grings, R. C. Waterman, T. W. Geary, L. J. Alexander, and M. D. MacNeil. 2009. Implications of going against the dogma of feed them to breed them. Proc. West. Sec. Am. Soc. Anim. Sci. 60:85-88.

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.

Sá Filho, O. G., E. R. Vilela, T. W. Geary, J. L. M. Vasconcelos. 2009. Strategies to improve fertility in post partum Bos indicus cows submitted to a fixed-time insemination protocol with GnRH and PGF2α. J. Anim. Sci. 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 of estrus on progesterone secretion in beef cows. Jounal of Animal Science 86:553-563.

Geary, T. W. 2008. Tips to Improve AI Pregnancy Rates. Proceedings of the XII Course on New Approaches to Production and Reproduction in Cattle. Pp 80-92. Uberlandia, Brazil, March 6, 2008.

Geary, T. W. 2008. Management of Young Cows for Maximum Reproductive Performance. Proceedings of the XII Course on New Approaches to Production and Reproduction in Cattle. Pp. 17-25. Uberlandia, Brazil, March 6, 2008.

Geary, T. W. 2008. Management strategies to reduce embryonic loss in beef cattle. Proceedings of the XII Course on New Approaches to Production and Reproduction in Cattle. Pp. 51-60. Uberlandia, Brazil, March 6, 2008.

Geary, T. W. 2008. Embryo mortality in beef cows: What can we do to prevent it? Proceedings 2008 Annual Nebraska Veterinary Medicine Association. Pp. 79-90.

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.

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.

Tshipuliso, N. O. M., L. J. Alexander, T. W. Geary, W. M. Snelling, D. C. Rule, J. E. Koltes, B. E. Mote, and M. D. MacNeil. 2008. Mapping quantitative trait loci for fatty acid composition that segregate between Wagyu and Limousin. South African J. Anim. Sci. 38:126-130.

Alexander, L. J. M. D. MacNeil, T. W. Geary, W. M. Snelling, D. C. Rule, and J. A. Scanga. 2007. Quantitative trait loci with additive effect on palatability and fatty acid composition of meat in a Wagyu-Limousin F*2 population. Animal Genetics 38:506–513.

Alexander, L. J. , T. W. Geary, W. M. Snelling, and M. D. MacNeil. 2007. Quantitative trait loci with additive effect on growth and carcass traits in a Wagyu-Limousin F*2 population. Animal Genetics 38:413–416.

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., S. D. Fields, J. C. Dalton, and T. W. Geary. 2007. Factors that influence fertility in synchronized breeding programs: AI or natural service. Proc. App. Reprod. Strategies. Pp. 127-148.

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., E. E. Grings, M. D. MacNeil, R. C. Waterman, L. Alexander and T. W. Geary. 2007. Reproductive performance of heifers offered ad libitum or restricted access to feed for a 140-d period after weaning. Proc. West. Sec. Am. Soc. Anim. Sci. 58:255-258.

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

Torell, R., T. Geary, D. Bohnert, and J. Ahola. 2007. Utilizing natural service with estrous synchronization in conjunction with timed artificial insemination. Cooperative Extension Bulletin. Cooperative Extension System.

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

Waterman, R. C., E. E. Grings, T. W. Geary, A. J. Roberts, L. J. Alexander, and M. D. MacNeil. 2007. Influence of seasonal forage quality on glucose kinetics of young beef cows. J. Anim. Sci. 85:2582-2595

Geary, T. W. 2006. Management strategies to reduce embryonic loss. Proc. App. Repro. Strategies. Pp. 167-175. Rapid City, SD.

Geary, T. W., R. C. Waterman, J. A. Paterson, R. P. Ansotegui, and R. J. Lipsey. 2006. Performance of early weaned (~80 d) vs normal weaned (~215 d) cows in the Northern Great Plains. Proc. West. Sec. Am. Soc. Anim. Sci. 57:99-102.

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.

Grings, E. E., T. W. Geary, A. J. Roberts, R. E. Short, and M. D. MacNeil. 2006. Beef Heifer Development within Three Calving Systems. J. Anim. Sci. 84:2048-2058.

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.

MacNeil, M. D., T. W. Geary, G. A. Perry, A. J. Roberts and L. J. Alexander. 2006. Genetic partitioning of variation in ovulatory follicle size and probability of pregnancy. J. Anim. Sci. 84:1646-1650.

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.

Waterman, R. C., T. W. Geary, J. A. Paterson, R. P. Ansotegui, and R. J. Lipsey. 2006. Performance of early weaned (~80 d) vs normal weaned (~215 d) calves in the Northern Great Plains. Proc. West. Sec. Am. Soc. Anim. Sci. 57:103-107.

Waterman, R. C., R. L. Endecott, J. A. Paterson, and T. W. Geary. 2007. Improving cow herd production through early weaning. Proceedings for the Montana Livestock Forum and Nutrition Conference.

Walker, R.S., R.M. Enns, T.W. Geary, N.W. Wamsley, 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. OhioStateUniversityExtension 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.

Geary, T. W. 2005. Optimizing Reproduction in the Cow Herd. Proc. 2005 Utah Beef Field Day.

Geary, T. W. 2005. Management strategies to reduce embryonic loss. Proc. Range Beef Cow Symposium XIX. Pp. 78-87.

Geary, T. W., R. P. Ansotegui, A. J. Roberts, R. C. Waterman, M. D. MacNeil, E. E. Grings, B. D. Thompson, and R. J. Lipsey. 2005. Effects of Flunixin Meglumine on pregnancy establishment in beef cattle. Proc. West. Sec. Am. Soc. Anim. Sci. 56:309-311.

Grings, E. E., A. J. Roberts, and T. W. Geary. 2005. Milk production of beef heifers from three calving systems. Proc. West. Sec. Am. Soc. Anim. Sci. 56:131-133.

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 NationalAcademyof Sciences 102:5268-5273.

Roberts, A. J., S. I. Paisley, T. W. Geary, E. E. Grings, and M. D. MacNeil. 2005. Associations of growth and carcass traits with attainment of puberty in heifers fed at two levels. Proc. West. Sec. Am. Soc. Anim. Sci. 56:333-335.

Standley, T.T., J.A. Paterson, K.D. Skinner, B.M. Rainey, A.J. Roberts, T. Geary, G. Smith and R. White. 2005. The use of an experimental vaccine in gestating beef cows to reduce the shedding of E. coli in the newborn calf. Proc. West. Sec. Am. Soc. Anim. Sci. 56:21-23.

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

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

Kealey, C.G., M.D. MacNeil, M.W. Tess, T.W. Geary, and R.A. Bellows. 2004. Genetic parameter estimates for yearling scrotal circumferences and semen traits of line 1 Herefordbulls. Proceedings of the Western Section, American Society of Animal Science 55:36-39.

Larson, J.E, G.C. Lamb, T.W. Geary, J.S. Stevenson, S.K. Johnson, M.l. Day, D.J. Kesler, J.M. DeJarnette, D.G. Landblom, and D. Whittier. 2004. Synchronization of estrus in replacement beef heifers using GnRH, prostaglandin F 2 a (PG), and progesterone (CIDR): A multi-location study. Kansas State Cattlemen's Day Proceeding, Universityof BeefCow/calf Day p. 3-6.

Merrill, M.L., R.P. Ansotegui, J. Paterson, and T.W. Geary. 2004. Effect of flunixin meglumine on early embryonic mortality in stressed beef females. Proceedings of the Western Section, American Society of Animal Science 55:204-207.

Perry, G.A., M.F. Smith, and T.W. Geary. 2004. Ability of intravaginal progesterone and melengestrol acetate to induce estrous cycling status in postpartum beef cows. Journal of Animal Science 82:695-704.

Perry, G.A., M.F. Smith, A.J. Roberts, M.D. MacNeil, and T.W. Geary. 2004. Effect of ovulatory follicle size on pregnancy rates and fetal mortality in beef heifers. Proceedings of the Western Section, American Society of Animal Science 52:97.

Sutovsky, P., T. Geary, K. M. Baska, G. Manandhar, D. Feng, K. W. Lovercamp, and M. Sutovsky. 2004. Ubiquitin as an objective marker of semen quality and fertility in bulls. Proc. Neb. App. Reprod. Strategies in Beef Cattle.

Walker, R.S., R.M. Enns, T.W. Geary, N.W. Wamsley, E.R. Downing, R.G. Mortimer, B.A. LaShell, and D.D. Zalesky. 2004. Fertility in beef heifers synchronized using a modified co-synch plus CIDR protocol with or without GnRH at timed AI. Proceedings of the Western Section, American Society of Animal Science 55:3-6.

Funston, R.N., J.L. Olson, R.J. Lipsey, T.W. Geary, and A.J. Roberts. 2003. Effect of hCG administration approximately 5 d after artificial insemination on progesterone concentrations and AI conception rates in beef heifers. Proceedings of the Western Section, American Society of Animal Science 54:251-253.

Geary, T.W. 2003. Fertility and distribution of estrus among cows following prostaglandin induced embryonic/fetal morality. Proceedings of the Western Section, American Society of Animal Science 54:254-256.

Geary, T.W. 2003. Improve your AI pregnancy rates. Western Farmer-Stockman. March. p. 44-45, 48, 50.

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

Geary, T.W. 2003. Synchronizing estrus in beef cattle. In: Cow-Calf Management Guide and Cattle Producers' Library. Cooperative Extension Bulletin Cl405:1-6.

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

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

Hall, J.B., J.M. DeJarnette, J.C. Whittier, and T.W. Geary. 2003. Timing of insemination and GnRH on pregnancy rates in beef cows in a modified co-synch estrous synchronization system. Proceedings of the Western Section, American Society of Animal Science 54:257-260.

Merrill, M.L, R.P. Ansotegui, N.E. Wamsley, P.D. Burns, and T.W. Geary. 2003. Effects of flunixin meglumine on embryonic loss in stressed beef cows. Proceedings of the Western Section, American Society of Animal Science 54:53-55.

Perry, G.A., M.F. Smith, M.C. Lucy, A.J. Roberts, M.D. MacNeil, and T.W. Geary. 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.

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.

Foster, H.A., J.C. Whittier, P.D. Burns, J.E. Bruemmer, T.G. Field, and T.W. Geary. 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., J.C. Whittier, P.D. Burns, J.E. Bruemmer, D.S. Baker, T.E. Engle, T.G. Field, W.R. Wailes, D.C. Anderson, D.L. Boss, and T.W. Geary. 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.

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

Funston, R.N., R.P. Ansotegui, R.J. Lipsey, and T.W. Geary. 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. 53:406-406.

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.

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

Geary, T.W., E.E. Grings, M.D. MacNeil, and D.H. Keisler. 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.

Geary, T.W., J.C. Whittier, R.G. Mortimer, J.W. Young, and R.R. Salverson. 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., E.L. McFadin-Buff, M.D. MacNeil, R.N. Funston, R.E. Short, E.E. Grings, and D.H. Keisler. 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.

Geary, T.W., E.L. McFadin-Buff, M.D. MacNeil, R.N. Funston, R.E. Short, E.E. Grings, and D.H. Keisler. 2001. A possible role of the leptin assay in assessing carcass fat and composition in beef cattle. J. Anim. Sci. 79 (Suppl. 2):125.

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. 2001. Synchronizate your cows before they run with the bulls. Shorten the breeding season and increase calf weights with synchronization. MontanaFarmer-Stockman. March. p. 30-33. (Popular article)

Osoegawa, K., L.S. Chung, B. Zhu, J. Gardner, T. Geary, D. Antczak, G.J. Rauch, J.J. Catanese, and P. de Jong. 2001. Construction of new maize, bovine, equine and zebrafish BAC libraries. Plant & Animal Genome IX Conference. pp. 2001.

Perry, G.A., T.W. Geary, M.C. Lucy, and M.F. Smith. 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.

Geary, T.W., R.R. Salverson, 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.

Bellows, R.A., Grings, E.E., Phelps, D.A., Bellows, S.E., Geary, T.W., and Simms, D.D. 2000. Feeding supplemental fat to mature cows. J. Anim. Sci. 78 (Suppl. 1): 228.

Funston, R.N., R.P. Ansotegui, B.D. Thompson, R.J. Lipsey, M.D. Ropp, and T.W. Geary. 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.

Funston, R.N. and T.W. Geary. 2000. Optimizing reproductive performance: Management practices can assist in shortening the postpartum interval. MontanaFarmer-Stockman. April. p. WB10-WB13.

Funston, R.N., R.P. Ansotegui, B.D. Thompson, J.J. Lipsey, M.D. Ropp, and T.W. Geary. 2000. Evaluation of the melengesterol acetate/prostaglandin (MGA/PGF) and MGA/Select Synch estrous synchronization protocols in beef heifers. J. Anim. Sci. 78 (Suppl. 2): 118.

Geary, T.W. 2000. Six ways to synchronize. SimTalk. Vol. 8(2):28-32.

Geary, T.W. 2000. Tips to improve AI pregnancy rates. Cow-Calf Management Guide. P. 406-1 - 406-5.

Geary, T.W. 2000. Synchronization of estrus: Ovulation protocols that work! Beef Questions and Answers. Vol. 5(4):3-6.

Geary, T.W. 2000. Use of reproductive tract scoring in range beef heifers. Cow-Calf Management Guide. P. 442-1 - 442-4.

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

Geary, T.W., J.C. Whittier, D.G. LeFever, G.D. Niswender, T.M. Nett, and D.M. Hallford. 2000. Evaluation of the GNRH/PGF*2alpha protocols for synchronization of oestrus/ovulation in beef cows. Journal of Reproduction and Fertility. v. 54. p. 515.

Sasongko, B.W.P., J.C. Whittier, P.D. Burns, T.W. Geary, and R.G. Mortimer. 2000. Evaluation of fixed-time AI with GnRH on pregnancy rate of beef heifers synchronized with the MGA/PGF 2"protocol. J. Anim. Sci. 78 (Suppl. 2):119.

Sasongko, B.W.P., J.C. Whittier, T.W. Geary, D.N. Schutz, E.R. Downing, P. Burna, R.G. Mortimer, and G.E. Seidel Jr. 2000. Reduced dose GnRH in Select Synch and CO-Synch protocols to synchronize estrus or ovulation in beef cows. J. Anim. Sci. 78 (Suppl. 1): 219.

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

Whittier , J.C., and T.W. Geary. 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.

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

Bellows, R.A., D.D. Simms, E.E. Grings, D.A. Phelps, S.E. Bellows, N.R. Bellows, R.E. Short, R.N. Funston, and T.W. Geary. 1999. Effects of feeding supplemental fat during gestation on reproduction in first-calf beef heifers. Research Update 1999, FortKeoghLivestock and Range Research Laboratory, Research Report. Pp. D-11-1 - D-11-2.

Bellows, R.A., M.A. Lammoglia, T.W. Geary, and R.N. Funston. 1999. Effects of dystocia on cold tolerance and serum glucose and cortisol in newborn beef calves. J. Anim. Sci. 77 (Suppl. 1): 107.

Bellows, R.A., D.D. Simms, E.E. Grings, D.A. Phelps, S.E. Bellows, N.R. Bellows, R.E. Short, R.N. Funston, and T.W. Geary. 1999. Effects of feeding supplemental fat during gestation on reproduction in primiparous beef heifers. J. Anim. Sci. 77 (Suppl. 1): 236.

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

Doherty, D.R., J.C. Whittier, and T.W. Geary. 1999. MGA/PGF2alpha vs GNRH/PGF2alpha, a comparison of two estrous synchronization protocols using yearling beef heifers. Beef Research Report. ColoradoStateUniversity. p. 75-78.

Doherty, D.R., J. Vaad, G. Greathouse, A.P. Knight, T.W. Geary, and M.H. Ralphs. 1999. Locoweed bite count correlation with serum swainsonine levels in cattle. J. Anim. Sci. 77 (Suppl. 1): 97.

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

Funston, R.N. and T.W. Geary. 1999. Rebreeding the first calf heifer. Research Update 1999, FortKeoghLivestock and Range Research Laboratory, Research Report. Pp. C-11-1 - C-11-5.

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

Geary, T.W. and R.N. Funston. 1999. Development of a new estrous and ovulation synchronization protocols for use in beef cows and heifers. Research Update 1999, FortKeoghLivestock and Range Research Laboratory, Research Report. Pp. C-8-1 - C-8-2.

Geary, T.W. 1999. Six ways to synchronize. Montana-Farmer Stockman. April. p. WB10-11.

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

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

Geary, T.W., R.N. Funston, E.E. Grings, R.A. Bellows, and R.E. Short. 1999. Profitability of estrous synchronization with natural service. Research Update 1999, FortKeoghLivestock and Range Research Laboratory, Research Report. Pp. C-7-1 - C-7-2.

Salverson, R.R., J.C. Whittier, E.R. Downing, and T.W. Geary. 1999. Synchronization of ovulation using hCG or GnRH with the CO-Synch protocol in suckled beef cows. J. Anim. Sci. 77 (Suppl. 1): 95.

Salverson, R.R., J.C. Whittier, E.R. Downing, and T.W. Geary. 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.

Salverson, R.R., G.E. Seidel Jr., and T.W. Geary. 1999. Use of hCG or GnRH with the Select Synch Protocol in beef cows. J. Anim. Sci. 77 (Suppl. 1): 237.

Salverson, R.R., J.C. Whittier, D. Schafer, D. Schutz, E.R. Downing, T. Polmeroy, and T.W. Geary. 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., J.C. Whittier, T.W. Geary, C.V. Kimberling, and A.B. Johnson. 1999. Effect of trace mineral supplementation on cow-calf performance, reproduction and immune function. 1999Beef Program Report, ColoradoStateUniversity. p. 1-14.

Doherty, D.R., J.C. Whittier, D.G. LeFever, R.G. Mortimer, and T.W. Geary. 1998. Modifications of the Select Synch estrous synchronization protocol to include mass mating at 72 or 84 hours. ColoradoStateUniversity1998Beef Program Report. Pp 193-198.

Doherty, D.R., J.C. Whittier, D.G. Lefever, R.G. Mortimer, and T.W. Geary. 1998. Increasing the use of artificial insemination: An undergraduate internship program using variations of the Select Synch estrous synchronization protocol. J. Anim. Sci. 76(Suppl. 1):368.

Doherty, D.R., J.C. Whittier, D.G. Lefever, R.G. Mortimer, and T.W. Geary. 1998. Increasing the use of artificial insemination: An undergraduate internship program using variations of the Select Synch estrous synchronization protocol. Proc. West. Sec. Amer. Soc. Anim. Sci. Vol. 49:254-256.

Downing, E.R., J.E. Bruemmer, D. Schutz, D. Couch, J.C. Whittier, and T.W. Geary. 1998. Ovarian response to the Select Synch protocol by day of the estrous cycle. ColoradoStateUniversity1998Beef Program Report. Pp 181-186.

Downing, E.R., D. Schutz, D. Couch, D.G. LeFever, J.C. Whittier, and T.W. Geary. 1998. Methods of estrous detection to increase pregnancies using the Select Synch protocol. ColoradoStateUniversity1998Beef Program Report. Pp 175-180.

Downing, E.R., D. Schutz, D. Couch, D.G. Lefever, J.C. Whittier, and T.W. Geary. 1998. Estrous and ovarian response to the Select Synch protocol. J. Anim. Sci. 76(Suppl. 1):373.

Downing, E.R., D. Schutz, D. Couch, D.G. Lefever, J.C. Whittier, and T.W. Geary. 1998. Estrous and ovarian response to the Select Synch protocol. Proc. West. Sec. Amer. Soc. Anim. Sci. Vol. 49:17-19.

Geary, T.W., J.C. Whittier, D.G. LeFever, G.D. Niswender, T.M. Nett, and D.M. Hallford. 1998. Evaluation of the GnRH/PGF protocols for synchronization of oestrus/ovulation in beef cows. Proc. 5th Int. Symp. Repro. Dom. Ruminants.

Geary, T.W. and J.C. Whittier. 1998. Effect of a timed insemination following synchronization of ovulation using the Ovsynch or CO-Synch protocol in beef cows. Professional Animal Scientist 14:217-220b.

Geary, T.W., J.C. Whittier, D.G. LeFever, and D.M. Hallford. 1998. Effect of calf removal on pregnancy rates of cows synchronized with the Ovsynch or CO-Synch protocol. Proc. West. Sec. Amer. Soc. Anim. Sci. Vol. 49:205-207.

Geary, T.W., J.C. Whittier, E.R. Downing, D.G. LeFever, M.D. Holland, T.M. Nett, and G.D. Niswender. 1998. Pregnancy rates of postpartum beef cows that were synchronized with the Syncro-Mate B or Ovsynch protocol. J. Anim. Sci. 76:1523-1527.

Geary, T.W., J.C. Whittier, D.G. LeFever, and D.M. Hallford. 1998. Effect of calf removal on pregnancy rates of cows synchronized with the Ovsynch or CO-Synch protocol. J. Anim. Sci. 76(Suppl. 1):278.

Geary, T.W., J.C. Whittier, D.G. Lefever, G.L. Mathiews, and H.H. Patterson. 1998. Effect of calf removal on pregnancy rates of cows synchronized with the Ovsynch or CO-Synch protocol. ColoradoStateUniversity1998Beef Program Report. Pp 187-192.

Geary, T.W. 1998. Estrous synchronization programs. Proceedings 59th Annual Conference for Veterinarians. Pp. 34-39.

Geary, T.W. 1998. Use of GnRH in synchronizing ovulation for timed insemination in beef cows. Proceedings of NCBA: IRM Producer Education Seminars pp 59-61.

Geary, T.W. 1998. Synchronizing ovulation rather than estrus in beef cows. Cattle Guard Vol. 47-7:12.

Goodell., G., T. Geary, and R. Stevens. 1998. Comparison of HCG to GnRH using the ovulation synchronization (OVSYNCH) method of timed breeding in a large commercial dairy herd. Proc 31st Annual Conf. Amer. Assoc. Bov. Pract. (In Press).

Lefever, D.G., D.W. Schafer, G.L. Mathiews, J.C. Whittier, and T.W. Geary. 1998. A method to increase the number of cyclic yearling heifers at the beginning of the breeding season. J. Anim. Sci. 76(Suppl. 1):281.

Lefever, D.G., D.W. Schafer, G.L. Mathiews, J.C. Whittier, and T.W. Geary. 1998. A method to increase the number of cyclic yearling heifers at the beginning of the breeding season. Proc. West. Sec. Amer. Soc. Anim. Sci. Vol. 49:208-212.

LeFever, D.G., D.W. Schafer, G.L. Mathiews, J.C. Whittier, and T.W. Geary. 1998. A method to increase the number of cyclic heifers at the beginning of the breeding season. ColoradoStateUniversity1998Beef Program Report. Pp 211-218.

Stenquist , N.J. and T.W. Geary. 1998. Artificial insemination of beef cattle. Cooperative Extension Bulletin CL400. In: Cow-Calf Management Guide and Cattle Producer’s Library. Cooperative Extension System

Stenquist , N.J. and T.W. Geary. 1998. Synchronizing estrus in beef cattle. Cooperative Extension Bulletin CL405. In: Cow-Calf Management Guide and Cattle Producer’s Library. Cooperative Extension System

Whittier , J.C., R.G. Mortimer, and T.W. Geary. 1998. Calving Management Manual: EditionI.ColoradoState University Press.

Geary, T.W., J.J. Reeves, D.W. Schafer, R.R. Evans, R.D. Randel, L.M. Rutter, R.G. Sasser, R. Guardia, B. Alexander, D. Holcombe, D.R. Hanks, and D.B. Faulkner. 1997. Norgestomet implants prevent pregnancy in beef heifers on pasture. J. Anim. Sci. 75:3089-3093.

Geary, T.W., E.R. Downing, D.G. LeFever, J.C. Whittier, T.M. Nett, and G.D. Niswender. 1997. Pregnancy rates of cows synchronized with Syncro-Mate B or the Ovsynch protocol and time inseminated. J. Anim. Sci. 75(Suppl. 1):107.

Geary, T.W. and J.C. Whittier. 1997. Modifications of the Ovsynch estrous synchronization protocol for use in beef cows. J. Anim. Sci. 75(Suppl. 1):236.

Geary, T.W. 1997Let’s Synchronize: The latest in estrous synchronization programs. Rancher & Farmer, April 1997(CO, WY, NE, ND, SD, KS, MT, ID, WA, OR, and NV editions):28-40.

Geary, T. 1997Latest in estrous synchronization programs. Proceedings of NCBA: IRM Producer Education Seminars pp. 63-64.

Geary, T.W. Latest in estrous synchronization. Proceedings of the 1997Tri-State Cow/Calf Symposium

Geary, T.W., D.G. LeFever, and J.C. Whittier. 1997Development of new estrous synchronization protocols for beef producers. In: 48th Annual Beef Cattle Improvement Report and SaleData pp. 30-33.

Geary, T.W., E.R. Downing, D.G. LeFever, J.C. Whittier, T.M. Nett, and G.D. Niswender. 1997. Pregnancy rates of cows synchronized with Syncro-Mate B or the Ovsynch protocol and time inseminated. Proc. West. Sec. Amer. Soc. Anim. Sci. Vol. 48:224-227.

Geary, T.W. 1997. Synchronization programs update. Proceedings, The Range Beef Cow Symposium 15:121.

Geary, T.W., D.G. LeFever, and J.C. Whittier. 1997. Effects of modifications to the Ov-Sync estrous synchronization protocol on pregnancy rate. ColoradoStateUniversity1997Beef Program Report. Pp 7-13.

Geary, T.W., E.R. Downing, D.G. LeFever, J.C. Whittier, T.M. Nett, and G.D. Niswender. 1997. Pregnancy rates of postpartum cows that were synchronized using Syncro-Mate B or the new Ov-Sync protocol. ColoradoStateUniversity1997Beef Program Report. Pp 45-50.

LeFever, D.G., D.W. Schafer, J.C. Whittier, and T.W. Geary. 1997. Method to increase more cycling yearling heifers before the breeding season. ColoradoStateUniversity1997Beef Program Report. Pp 1-6.

Geary, T.W. and J.J. Reeves. 1996. Production of a genetically engineered inhibin vaccine. Vaccine 14:1273.

Geary, T.W. 1994. Progestogen implants for prevention of pregnancy in heifers. WashingtonStateUniversity1994 Beef Information Report . Prosser, WA.

Geary, T.W. and J.J. Reeves. 1994. Production of a genetically engineered inhibin vaccine. J. Anim. Sci. 72 (Suppl 1):471.

Geary, T.W. and J.J. Reeves. 1993. Norgestomet implants for the prevention of pregnancy in heifers. Proceedings of WSUCountyExtension Short Course. Pullman, WA.

Geary, T.W., M.T. Rhodes, and J.J. Reeves. 1993. Prevention of pregnancy in heifers with norgestomet implants. J. Anim. Sci. 71 (Suppl 1):246.

Geary, T.W. 1992. Synchronized estrus: a management tool for the busy producer. Proc.SkaggitCountyCattlemans Winterschool, Burlington, WA.

Geary, T.W. and J.J. Reeves. 1992. Relative importance of vision and olfaction for detection of estrus by bulls. J. Anim. Sci. 70:2726-2731.

Geary, T.W., D.M. deAvila, H.H. Westberg, P.L. Senger, and J.J. Reeves. 1991. Bulls show no preference for a heifer in estrus in preference tests. J. Anim. Sci. 69:3999-4006.

Geary, T.W. and J.J. Reeves. 1991. The importance of vision and olfaction in detection of estrus by the bull. J. Anim. Sci. 69 (Suppl 1):570.

Geary, T.W. and J.J. Reeves. 1991. Relative importance of vision and olfaction in detection of estrus by the bull. Proc. West. Sec. Amer. Soc. Anim. Sci. 42:15-18.

Geary, T.W., D.M. deAvila, H.H. Westberg, P.L. Senger and J.J. Reeves. 1990. Bulls cannot identify heifers in estrus by olfaction or vision when physical contact is denied. J. Anim. Sci. 68 (Suppl 1):148.

Geary, T.W., D.M. deAvila, H.H. Westberg, P.L. Senger and J.J. Reeves. 1990. Bulls cannot identify heifers in estrus by olfaction or vision when physical contact is denied. Proc. West. Sec. Amer. Soc. Anim. Sci. 41:51-54

 
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