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United States Department of Agriculture

Agricultural Research Service

Related Topics

Robert A Cushman (Bob)
Reproduction Research
Physiology

Phone: (402) 762-4186
Fax: (402) 762-4382

U.S. MEAT ANIMAL RESEARCH CENTER
SPUR 18D
CLAY CENTER , NE 68933

Projects
STRATEGIES TO IMPROVE HEIFER SELECTION AND HEIFER DEVELOPMENT
In-House Appropriated (D)
  Accession Number: 423658

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Investigation of ovarian reserve parameters in Bos indicus cows -
Gene expression profiling of bovine ovarian follicular and luteal cells provides insight into cellular identities and functions -
Romereim, S.M., Summers, A.F., Pohlmeier, W.E., Zhang, P., Hou, X., Talbott, H.A., Cushman, R.A., Wood, J.R., Davis, J.S., Cupp, A.S. 2017. Gene expression profiling of bovine ovarian follicular and luteal cells provides insight into cellular identities and functions. Molecular and Cellular Endocrinology. 439:379-394. doi:10.1016/j.mce.2016.09/029
Fetal programming of reproduction, what we know and how we manage it -
Cushman, R.A., Britt, J.H., Chase, C.C., Cupp, A.S., Perry, G.A., Freetly, H.C. 2016. Fetal programming of reproduction, what we know and how we manage it. Proceedings. Applied Reproductive Strategies in Beef Cattle, September 7-8, 2016, Des Moines, Iowa. p. 242-250.
Uterine environment and pregnancy rate of heifers with elevated plasma urea nitrogen -
Effect of antral follicle count (AFC) in beef heifers on in vitro fertilization/production (IVF/IVP) -
Association between preovulatory concentrations of estradiol and expression of uterine milk protein precursor, inhibin beta A, Period 1, proenkephalin-A, and receptors for oxytocin, progesterone, and estradiol -
Changes in ovarian function associated with circulating concentrations of estradiol before a GnRH-induced ovulation in beef cows Reprint Icon -
Larimore, E.L., Amundson, O.L., Bridges, G.A., McNeel, A.K., Cushman, R.A., Perry, G.A. 2016. Changes in ovarian function associated with circulating concentrations of estradiol before a GnRH-induced ovulation in beef cows. Domestic Animal Endocrinology. 57:71-79. doi: 10.1016/j.domaniend.2016.06.001
Influence of ovarian reserves in beef heifers on uterine morphometry and function -
Cushman, R.A., Tenley, S.C., Soares, E.M., McNeel, A.K., Chase, C.C., Vallet, J.L., Wood, J.R., Perry, G.A., Cupp, A.S. 2016. Influence of ovarian reserves in beef heifers on uterine morphometry and function [abstract]. Society for the Study of Reproduction Annual Meeting. Abstract #278 (Scientific Program p. 181).Available: http://www.ssr.org/sites/ssr.org/files/uploads/attachments/node/320/2016_ssr_abstracts.pdf
A comparison of ovarian follicular and luteal cell gene expression profiles provides insight into cellular identities and functions -
Romereim, S.M., Hou, X., Talbott, H., Cushman, R.A., Wood, J.R., Davis, J.S., Cupp, A.S. 2016. A comparison of ovarian follicular and luteal cell gene expression profiles provides insight into cellular identities and functions [abstract]. Society for the Study of Reproduction Annual Meeting. Abstract #258 (Scientific Program p. 181). Available: http://www.ssr.org/sites/ssr.org/files/uploads/attachments/node/320/2016_ssr_abstracts.pdf
A portion of heifers attaining “early puberty” do not display estrus, are anovulatory and have altered sex hormone binding globulin concentrations -
Tenley, S., Summers, A., Spuri-Gomes, R., Abedal-Majed, M.A., Bergman, J., Kurz, S., Wood, J., Cushman, R.A., Cupp, A.S. 2016. A portion of heifers attaining “early puberty” do not display estrus, are anovulatory and have altered sex hormone binding globulin concentrations [abstract]. Society for the Study of Reproduction Annual Meeting. Abstract #533 (Scientific Program p. 181). Available: http://www.ssr.org/sites/ssr.org/files/uploads/attachments/node/320/2016_ssr_abstracts.pdf
Effect of diet on ability of Vascular Endothelial Growth Factor A (VEGFA) isoforms to alter follicular progression in bovine ovarian cortical cultures -
Abedal-Majed, M.A., Cupp, A.S., Wood, J.R., Cushman, R.A., McNeel, A.K., Kurz, S.G., Magamage, M., Vinton, R., Freetly, H.C. 2016. Effect of diet on ability of Vascular Endothelial Growth Factor A (VEGFA) isoforms to alter follicular progression in bovine ovarian cortical cultures [abstract]. Society for the Study of Reproduction Annual Meeting. Abstract #239 (Scientific Program p. 181). Available: http://www.ssr.org/sites/ssr.org/files/uploads/attachments/node/320/2016_ssr_abstracts.pdf
Prevalence of non-Tritrichomonas foetus trichomonads in preputial samples from Nebraska beef bulls -
Effects of neonatal litter size and age on ovarian gene expression and follicular development in gilts -
McClure, M.W., Cushman, R.A., Nonneman, D.J., Lents, C.A. 2016. Effects of neonatal litter size and age on ovarian gene expression and follicular development in gilts [abstract]. Journal of Animal Science. 94(Supplement 2):184 (Abstract #403).
Where we've been and where we're going on heifer selection -
Cushman, R.A. 2016. Where we've been and where we're going on heifer selection. Progressive Cattleman. February:71-73.
Estimates of epistatic and pleiotropic effects of casein alpha s1 (CSN1S1) and thyroglobulin (TG) genetic markers on beef heifer performance traits enhanced by selection Reprint Icon -
Tait Jr, R.G., Cushman, R.A., McNeel, A.K., Casas, E., Smith, T.P., Freetly, H.C., Bennett, G.L. 2016. Estimates of epistatic and pleiotropic effects of casein alpha s1 (CSN1S1) and thyroglobulin (TG) genetic markers on beef heifer performance traits enhanced by selection. Journal of Animal Science. 94(3):920-926. doi:10.2527/jas2015-9860.
Fetal and postnatal nutritional programming of reproductive performance in ruminants -
Cushman, R.A., Soares, E.M., Abedal-Majed, M., Cupp, A.S., Perry, G.A., Freetly, H.C. 2016. Fetal and postnatal nutritional programming of reproductive performance in ruminants [abstract]. Journal of Animal Science. 94(Supplement 2):147.
Use of an electronic activity detection system to characterize estrus activity in crossbred beef heifers differing in follicle number -
Cushman, R.A., Tenley, S.C., Soares, E.M., McNeel, A.K., Gomes, R.S., Tait Jr, R.G., Cupp, A.S., Kuehn, L.A., Snelling, W.M., Thallman, R.M., Perry, G.A., Chase, C.C. 2016. Use of an electronic activity detection system to characterize estrus activity in crossbred beef heifers differing in follicle number [abstract]. Journal of Animal Science. 94(Supplement 2):152.
Impact of initiating a fixed-time AI program on herd calving date and weaning weight -
Quail, L.K., Cushman, R.A., Perry, G.A. 2016. Impact of initiating a fixed-time AI program on herd calving date and weaning weight [abstract]. Journal of Animal Science. 94(Supplement 2):183.
Relationship between ovarian reserve and preovulatory estradiol during a fixed-time AI protocol in beef heifers -
Soares, E.M., Cushman, R.A., Northrop, E.J., Larimore, E.L., Perry, G.A. 2016. Relationship between ovarian reserve and preovulatory estradiol during a fixed-time AI protocol in beef heifers [abstract]. Journal of Animal Science. 94(Supplement 2):144.
Litter-of-origin trait effects on gilt development Reprint Icon -
Vallet, J.L., Calderón-Díaz, J.A., Stalder, K.J., Phillips, C., Cushman, R.A., Miles, J.R., Rempel, L.A., Rohrer, G.A., Lents, C.A., Freking, B.A., Nonneman, D.J. 2016. Litter-of-origin trait effects on gilt development. Journal of Animal Science. 94(1):96-105.
Use of ultrasonography to make reproductive management decisions -
Perry, G.A., Cushman, R.A. 2016. Use of ultrasonography to make reproductive management decisions. Professional Animal Scientist. 32(2):154-161.
Postweaning nutritional programming of ovarian development in beef heifers Reprint Icon -
Amundson, O.L., Fountain, T.H., Larimore, E.L., Richardson, B.N., McNeel, A.K., Wright, E.C., Keisler, D.H., Cushman, R.A., Perry, G.A., Freetly, H.C. 2015. Postweaning nutritional programming of ovarian development in beef heifers. Journal of Animal Science. 93(11):5232-5239. doi: 10.2527/jas2015-9067
In vitro fertilization (IVF) using semi-defined culture conditions from low or high antral follicle count pubertal beef heifers -
Chase Jr., C.C., Cushman, R.A., McNeel, A.K., Amundson, O.L., Perry, G.A., Tenley, S.C., Wood, J.R., Cupp, A.S., Vallet, J.L., Miles, J.R. 2016. In vitro fertilization (IVF) using semi-defined culture conditions from low or high antral follicle count pubertal beef heifers. Reproduction, Fertility and Development. 28(1-2):221.
Applying ultrasonographic evaluation of antral follicle count to improve reproductive management in heifers -
Cushman, R.A., McNeel, A.K., Souza, J.C., Britt, J.H. 2015. Applying ultrasonographic evaluation of antral follicle count to improve reproductive management in heifers. Clinical Theriogenology. 7(3):223-227.
Mechanisms influencing establishment of the ovarian reserve in heifers -
Cushman, R.A., McNeel, A.K., Souza, J.C., Echternkamp, S.E., Britt, J.H., Freetly, H.C. 2015. Mechanisms influencing establishment of the ovarian reserve in heifers. Clinical Theriogenology. 7(3):229-233.
Influence of puberty and antral follicle count on calving day in crossbred beef heifers Reprint Icon -
McNeel, A.K., Cushman, R.A. 2015. Influence of puberty and antral follicle count on calving day in crossbred beef heifers. Theriogenology. 84:1061-1066.
Vascular Endothelial Growth Factor A 165 (VEGFA165), angiogenic isoform, promotes while VEGFA165b antagonizes VEGFA165 stimulated follicular progression in bovine ovarian cortical pieces cultured from pre-pubertal heifers -
Abedal-Majed, M.A., Manamage, M.P., Vinton, R.J., Cushman, R.A., McNeel, A.K., Freetly, H.C., Wood, J.R., Cupp, A.S. 2015. Vascular Endothelial Growth Factor A 165 (VEGFA165), angiogenic isoform, promotes while VEGFA165b antagonizes VEGFA165 stimulated follicular progression in bovine ovarian cortical pieces cultured from pre-pubertal heifers [abstract]. Society for the Study of Reproduction Annual Meeting. p. 246.
Granulosa cell cycle regulation and steroidogenesis in a high androstenedione follicular microenvironment -
Romereim, S., Summers, A.F., Pohlmeier, B.E., McFee, R.M., Spuri-Gomes, R., Kurz, S.G., McNeel, A.K., Cushman, R.A., Davis, J.S., Wood, J.R., Cupp, A.S. 2015. Granulosa cell cycle regulation and steroidogenesis in a high androstenedione follicular microenvironment [abstract]. Society for the Study of Reproduction Annual Meeting. p. 245.
Factors affecting pregnancy rates after ovum pick up-derived embryo transfer in lactating Holstein recipients under tropical conditions Reprint Icon -
Pinto, T.L., Nogueira, M.B., Sales, J.S., Carvalho, R.R., Cushman, R.A., Souza, J.C. 2015. Factors affecting pregnancy rates after ovum pick up-derived embryo transfer in lactating Holstein recipients under tropical conditions. Science and Agrotechnology of Lavras. 39(5):498-505.
Use of ultrasonography to make management decisions -
Perry, G.A., Amundson, O.L., Cushman, R.A. 2015. Use of ultrasonography to make management decisions [abstract]. Journal of Animal Science. 93 (Supplement s3):512.
Impact of maternal nutritional level on progeny ovarian development and fertility in cattle -
Echternkamp, S.E., Cushman, R.A. 2015. Impact of maternal nutritional level on progeny ovarian development and fertility in cattle [abstract]. Society for the Study of Reproduction Annual Meeting. pp. 133.
Differences in antral follicle counts in pubertal Angus heifers are associated with differences in the uterine transcriptome during the late luteal phase -
In vitro fertilization (IVF) from low or high antral follicle count pubertal beef heifers using semi-defined culture conditions -
Chase Jr., C.C., Cushman, R.A., McNeel, A.K., Wright-Johnson, E.C., Amundson, O.L., Larimore, E.L., Richardson, B.N., Perry, G.A., Tenley, S.C., Wood, J.R., Cupp, A.S., Vallet, J.L., Sypherd, D.D., Miles, J.R. 2015. In vitro fertilization (IVF) from low or high antral follicle count pubertal beef heifers using semi-defined culture conditions [abstract]. Journal of Animal Science. 93 (Supplement s3):424.
Association between circulating blood or plasma urea nitrogen concentrations and reproductive efficiency in beef heifers and cows -
Gunn, P.J., Lundberg, A.L., Cushman, R.A., Freetly, H.C., Amundson, O.L., Walker, J.A., Perry, G.A. 2015. Association between circulating blood or plasma urea nitrogen concentrations and reproductive efficiency in beef heifers and cows [abstract]. Journal of Animal Science. 93 (Supplement s3):88-89.
Influence of estrus expression prior to fixed-time AI on embryo survival to maternal recognition of pregnancy -
Northrop, E.J., Amundson, O.L., Richardson, B.N., McNeel, A.K., Cushman, R.A., Perry, G.A. 2015. Influence of estrus expression prior to fixed-time AI on embryo survival to maternal recognition of pregnancy [abstract]. Journal of Animal Science. 93 (Supplement s3):232.
Age at puberty, ovulation rate, and uterine length of developing gilts fed two lysine and three metabolizable energy concentrations from 100 to 260 d of age Reprint Icon -
Calderón Díaz, J.A., Vallet, J.L., Lents, C.A., Nonneman, D.J., Miles, J.R., Wright, E.C., Rempel, L.A., Cushman, R.A., Freking, B.A., Rohrer, G.A., Phillips, C., Dedecker, A., Foxcroft, G., Stalder, K.J. 2015. Age at puberty, ovulation rate, and uterine length of developing gilts fed two lysine and three metabolizable energy concentrations from 100 to 260 d of age. Journal of Animal Science. 93(7):3521-3527.
Age at puberty, ovulation rate, and reproductive tract traits of developing gilts fed two lysine levels and three metabolizable energy levels from 100 to 260 d of age -
Calderon Diaz, J.A., Vallet, J.L., Lents, C.A., Nonneman, D., Miles, J.R., Wright-Johnson, E.C., Rempel, L.A., Cushman, R.A., Freking, B.A., Rohrer, G.A., Phillips, C.E., DeDecker, A.E., Foxcroft, G., Stalder, K. 2015. Age at puberty, ovulation rate, and reproductive tract traits of developing gilts fed two lysine levels and three metabolizable energy levels from 100 to 260 d of age [abstract]. Journal of Animal Science. 93(Supplement 2):81 (Abstract #180).
Post-weaning nutritional programming of ovarian development in beef heifers -
Amundson, O.L., Fountain, T.H., Larimore, E.L., Richardson, B.N., McNeel, A.K., Wright-Johnson, E.C., Keisler, D.H., Cushman, R.A., Perry, G.A., Freetly, H.C. 2015. Post-weaning nutritional programming of ovarian development in beef heifers [abstract]. Journal of Animal Science. 93(Supplement 2):169-170.
Relationship between pre-weaning gain, age at puberty, and reproductive tract development in Angus heifers -
Cushman, R.A., McNeel, A.K., Wright-Johnson, E.C., Amundson, O.L., Tenley, S.C., Larimore, E.L., Richardson, B.N., Chase, C.C., Perry, G.A., Cupp, A.S. 2015. Relationship between pre-weaning gain, age at puberty, and reproductive tract development in Angus heifers [abstract]. Journal of Animal Science. 92(Supplement 2):22.
Litter of origin effects on gilt development in a commercial setting -
Vallet, J.L., Calderon-Diaz, J.A., Stalder, K.J., Phillips, C.E., Miles, J.R., Wright-Johnson, E.C., Rempel, L.A., Lents, C.A., Nonneman, D., Rohrer, G.A., Freking, B.A., Cushman, R.A. 2015. Litter of origin effects on gilt development in a commercial setting [abstract]. Journal of Animal Science. 93(Supplement 2):79-80 (Abstract #177).
A polymorphism in myostatin influences puberty but not fertility in beef heifers, whereas µ-calpain affects first calf birth weight Reprint Icon -
Cushman, R.A., Tait Jr, R.G., McNeel, A.K., Forbes, E.D., Amundson, O.L., Lents, C.A., Lindholm-Perry, A.K., Perry, G.A., Wood, J.A., Cupp, A.S., Smith, T.P., Freetly, H.C., Bennett, G.L. 2015. A polymorphism in myostatin influences puberty but not fertility in beef heifers, whereas µ-calpain affects first calf birth weight. Journal of Animal Science. 93(1):117-126.
Effect of increased systemic concentrations of urea nitrogen in crossbred heifers on in vitro fertilization (IVF) -
Chase, C.C., Amundson, O.L., Cushman, R.A., Freetly, H.C., McNeel, A.K., Wright-Johnson, E.C., Perry, G.A., Sypherd, D.D., Miles, J.R. 2015. Effect of increased systemic concentrations of urea nitrogen in crossbred heifers on in vitro fertilization (IVF)[abstract]. American Society of Animal Science, Southern Section, January 31-February 3, 2015, Atlanta, GA. p. 30.
The consequence of level of nutrition on heifer ovarian and mammary development Reprint Icon -
Freetly, H.C., Vonnahme, K.A., McNeel, A.K., Camacho, L.E., Amundson, O.L., Forbes, E.D., Lents, C.A., Cushman, R.A. 2014. The consequence of level of nutrition on heifer ovarian and mammary development. Journal of Animal Science. 92(12):5437-5443.
Altered theca and cumulus oocyte complex gene expression, follicular arrest and reduced fertility in cows with dominant follicle follicular fluid androgen excess Reprint Icon -
Summers, A.F., Pohlmeier, W.E., Sargent, K.M., Cole, B.D., Vinton, R.J., Kurz, S.G., McFee, R.M., Cushman, R.A., Cupp, A.S., Wood, J.R. 2014. Altered theca and cumulus oocyte complex gene expression, follicular arrest and reduced fertility in cows with dominant follicle follicular fluid androgen excess. PLoS One. 9(10):e110683.
Effect of high and low antral follicle count in pubertal beef heifers on in vitro fertilization (IVF) -
Chase, Jr., C.C., Wright, E.C., McNeel, A.K., Cushman, R.A., Perry, G.A., Cupp, A.S., Vallet, J.L., Sypherd, D.D., Miles, J.R. 2014. Effect of high and low antral follicle count in pubertal beef heifers on in vitro fertilization (IVF) [abstract]. American Embryo Transfer Association/Canadian Embryo Transfer Association Joint Convention Proceedings, October 6-8, 2014, Middleton, Wisconsin. 49.
Optimal dietary energy and protein for the development of gilts - NPB #12-209 -
Vallet, J., Calderon, J., Stalder, K., Phillips, C., Bradley, G., Miles, J., Rempel, L., Lents, C., Freking, B., Rohrer, G., Nonneman, D., Cushman, R. 2014. Optimal dietary energy and protein for the development of gilts - NPB #12-209. National Pork Board. Available: http://research.pork.org/FileLibrary/ResearchDocuments/12-209-Vallet-USDA.pdf.
Granulosa cell gene expression profiling in cows with divergent follicular fluid concentrations of androgens -
Summers, A., Pohlmeier, W., Sargent, K., Kurz, S., McFee, R., McNeel, A.K., Cushman, R.A., Wood, J., Cupp, A. 2014. Granulosa cell gene expression profiling in cows with divergent follicular fluid concentrations of androgens [abstract]. In: Society for the Study of Reproduction, 47th Annual Meeting, 19-23 July 2014, Grand Rapids, MI. Abstract 22.
Gentic improvement in cattle -- are we sacrificing reproduction in favor of production? -
Cushman, R.A., McNeel, A.K., Tait Jr, R.G., Lindholm-Perry, A.K., Perry, G.A., Snelling, W.M., Bennett, G.L. 2014. Gentic improvement in cattle -- are we sacrificing reproduction in favor of production?. In: Juengel, J. L., Miyamoto, A., Price, C., Reynolds, L. P., Smith, W. F., and Webb, R., editors. Reproduction in Domestic Ruminants VIII. Leicestershire, England: Context Products Ltd. p. 27-36.
Identification of changes in bovine oviductal mRNA expression by RNAseq from animals with high and low circulating estradiol concentrations during timed artificial insemination -
Perry, G.A., McNeel, A.K., Cushman, R.A., Gonda, M.G., Perry, B.L. 2014. Identification of changes in bovine oviductal mRNA expression by RNAseq from animals with high and low circulating estradiol concentrations during timed artificial insemination. In: Juengel, J. L., Miyamoto, A., Price, C., Reynolds, L. P., Smith, M. F., and Webb, R., editors. Reproduction in Domestic Ruminants VIII. Leicestershire, England: Context Products Ltd. p. 553.
Association of circulating concentrations of estradiol during the preovulatory period and expression of steroidogenic enzymes in beef cows -
Larimore, E.L., Amundson, O.L., Bridges, G.A., McNeel, A.K., Cushman, R.A., Perry, G.A. 2014. Association of circulating concentrations of estradiol during the preovulatory period and expression of steroidogenic enzymes in beef cows. In: Juengel, J. L., Miyamoto, A., Price, C., Reynolds, L. P., Smith, M. F., and Webb, R., editors. Reproduction in Domestic Ruminants VIII. Leicestershire, England: Context Products Ltd. p. 610.
Effects of change in body composition on gene expression in the uterine endometrium of beef cattle -
Bridges, G.A., Kruse, S.G., McNeel, A.K., Amundson, O.L., Funnell, B.J., Bird, S.L., Cushman, R.A. 2014. Effects of change in body composition on gene expression in the uterine endometrium of beef cattle. In: Juengel, J. L., Miyamoto, A., Price, C., Reynolds, L. P., Smith, M. F., and Webb, R., editors. Reproduction in Domestic Ruminants VIII. Leicestershire, England: Context Products Ltd. p. 554.
Effects of IL8 and immune cells on the regulation of luteal progesterone secretion Reprint Icon -
Talbott, H., Delaney, A., Zhang, P., Yu, Y., Cushman, R.A., Cupp, A.S., Hou, X., Davis, J.S. 2014. Effects of IL8 and immune cells on the regulation of luteal progesterone secretion. Reproduction. 148:21-31.
De novo assembly and identification of unique contigs in the bovine oviduct from animals with high and low circulating estradiol concentrations during timed artificial insemination -
McNeel, A.K., Cushman, R.A., Snelling, W.M., Gonda, M.G., Perry, B.L., Perry, G.A. 2014. De novo assembly and identification of unique contigs in the bovine oviduct from animals with high and low circulating estradiol concentrations during timed artificial insemination [abstract]. In: Society for the Study of Reproduction, 47th Annual Meeting, 19-23 July 2014, Grand Rapids, MI. Abstract 245.
Maternal dietary effects on embryonic ovarian development in cattle -
Echternkamp, S.E., Eborn, D.R., Cushman, R.A. 2014. Maternal dietary effects on embryonic ovarian development in cattle [abstract]. Journal of Animal Science. 92(E-Supplement 2):678-679.
Measures of the ovaries and uterus during development of gilts selected for differences in uterine capacity Reprint Icon -
Lents, C.A., Cushman, R.A., Freking, B.A. 2014. Measures of the ovaries and uterus during development of gilts selected for differences in uterine capacity. Journal of Animal Science. 92(6):2433-2439.
DNA polymorphisms and transcript abundance of PRKAG2 and phosphorylated AMP-activated protein kinase in the rumen are associated with gain and feed intake in beef steers Reprint Icon -
Lindholm-Perry, A.K., Kuehn, L.A., Oliver, W.T., Kern, R.J., Cushman, R.A., Miles, J.R., McNeel, A.K., Freetly, H.C. 2014. DNA polymorphisms and transcript abundance of PRKAG2 and phosphorylated AMP-activated protein kinase in the rumen are associated with gain and feed intake in beef steers. Animal Genetics. 45(4):461-472.
Relationship of follicle size and concentrations of estradiol among cows exhibiting or not exhibiting estrus during a fixed-time AI protocol Reprint Icon -
Perry, G.A., Swanson, O.L., Larimore, E.L., Perry, B.L., Djira, G.D., Cushman, R.A. 2014. Relationship of follicle size and concentrations of estradiol among cows exhibiting or not exhibiting estrus during a fixed-time AI protocol. Domestic Animal Endocrinology. 48:15-20.
The impact of cow nutrient status during the second and third trimesters on age at puberty, antral follicle count, and fertility of daughters Reprint Icon -
Cushman, R.A., McNeel, A.K., Freetly, H.C. 2014. The impact of cow nutrient status during the second and third trimesters on age at puberty, antral follicle count, and fertility of daughters. Livestock Science. 162:252-258.
Global changes in uterine protein secretion are associated with differences in the number of antral follicles in heifers -
Vallet, J.L., Cushman, R.A., McNeel, A.K., Wright, E.C., Larimore, E., Miles, J.R., Chase, C.C., Lents, C.A., Wood, J.R., Cupp, A.S., Perry, G.A. 2014. Global changes in uterine protein secretion are associated with differences in the number of antral follicles in heifers [abstract]. Journal of Animal Science. 92(Supplement 2):89 (Abstract #200).
Effect of progesterone on kisspeptin and neurokinin B cell numbers in the arcuate nucleus of the female pig -
Hileman, S.M., Meadows, L.J., Porter, K.L., Coolen, L.M., Fergani, C., Rempel, L.A., Cushman, R.A., Oliver, W.T., Wright, E.C., Miles, J.R., Lents, C.A. 2013. Effect of progesterone on kisspeptin and neurokinin B cell numbers in the arcuate nucleus of the female pig [abstract]. Abstracts of Society for Neuroscience Annual Meeting, November 9-13, 2013, San Diego, California. Poster # BBB25. Available: http://www.sfn.org/annual-meeting/past-and-future-annual-meetings.
ATF3 Expression in the corpus luteum: possible role in luteal regression Reprint Icon -
Mao, D., Hou, X., Talbot, H., Cushman, R., Cupp, A., Davis, J.S. 2013. ATF3 expression in the corpus luteum: possible role in luteal regression. Molecular Endocrinology. 27(12):2066-2079.
Adipose and muscle tissue gene expression of two genes (NCAPG and LCORL) located in a chromosomal region associated with cattle feed intake and gain Reprint Icon -
Lindholm-Perry, A.K., Kuehn, L.A., Oliver, W.T., Sexten, A.K., Miles, J.R., Rempel, L.A., Cushman, R.A., Freetly, H.C. 2013. Adipose and muscle tissue gene expression of two genes (NCAPG and LCORL) located in a chromosomal region associated with cattle feed intake and gain. PLoS One. 8(11):e80882.
Effect of high and low antral follicle count in pubertal beef heifers on IVF -
Chase, C.C., Jr., Wright, E.C., McNeel, A.K., Cushman, R.A., Perry, G.A., Cupp, A.S., Vallet, J.L., Sypherd, D.D., Miles, J.R. 2014. Effect of high and low antral follicle count in pubertal beef heifers on IVF. Reproduction, Fertility and Development. 26(1):184 (Abstract #142).
Effect of postweaning diet on ovarian development and fertility in replacement beef heifers Reprint Icon -
Eborn, D.R., Cushman, R.A., Echternkamp, S.E. 2013. Effect of postweaning diet on ovarian development and fertility in replacement beef heifers. Journal of Animal Science. 91(9):4168-4179.
Alternative models in genetic analyses of carcass traits measured by ultrasonography in Guzerá cattle: A Bayesian approach -
Azevedo, Jr., J., Souza, J.C., Cushman, R.A., Bink, M.C.A.M., Perazza, C.A., Meirelles, S.L., Goncalves, T.M. 2013. Alternative models in genetic analyses of carcass traits measured by ultrasonography in Guzerá cattle: A Bayesian approach. Journal of Agricultural Science 5(9):29-36.
Genetics of reproductive traits: Antagonisms with production traits -
Cushman, R.A., McNeel, A.K., McDaneld, T.G., Perry, G.A. 2013. Genetics of reproductive traits: Antagonisms with production traits. Proceedings, Genomic Seedstock Symposium (June 27-28, 2013, Sioux Falls, SD). pp. 19-28.
Heifer calving date positively influences calf weaning weights through six parturitions Reprint Icon -
Cushman, R.A., Kill, L.K., Funston, R.N., Mousel, E.M., Perry, G.A. 2013. Heifer calving date positively influences calf weaning weights through six parturitions. Journal of Animal Science. 91(9):4486-4491.
Incorporation of genetic technologies associated with applied reproductive technologies to enhance world food production -
Cushman, R.A., McDaneld, T.G., Kuehn, L.A., Snelling, W.M., Nonneman, D. 2014. Incorporation of genetic technologies associated with applied reproductive technologies to enhance world food production. In: Lamb, G.C., DiLorenzo, N., editors. Current and Future Reproduction Technologies and World Food Production. Advances in Experimental Medicine and Biology. New York, NY: Springer. p. 77-96. DOI: 10.1007/978-1-4614-8887-3.
Effect of age at puberty/conception date on cow longevity -
Perry, G.A., Cushman, R. 2013. Effect of age at puberty/conception date on cow longevity. In: Patterson, D.J., Smith, M.F., editors. Management Considerations in Beef Heifer Development and Puberty. Veterinary Clinics of North America: Food Animal Practice. 29(3). Philadelphia, PA: Elsevier. p. 579-590. DOI: dx.doi.org/10.1016/j.cvfa.2013.07.011.
The plasminogen activator system in the ovine placentome during late gestation and stage-two of parturition Reprint Icon -
McNeel, A.K., Cushman, R.A., Vallet, J.L. 2013. The plasminogen activator system in the ovine placentome during late gestation and stage-two of parturition. Molecular Reproduction and Development. 80(6):466-473.
Does reduced peri-pubertal nutrient intake influence the ovarian reserve in beef heifers? -
Cushman, R.A., Forbes, E.D., Swanson, O.L., McNeel, A.K., Chase, C.C., Lents, C.A., Freetly, H.C. 2013. Does reduced peri-pubertal nutrient intake influence the ovarian reserve in beef heifers? [abstract]. Biology of Reproduction Supplement (46th Annual Meeting of the Society for the Study of Reproduction). pp. 44-45 (Abstract #48).
Changes in ovarian function associated with circulating concentrations of estradiol prior to a GnRH-induced ovulation in beef cows -
Larimore, E.L., Swanson, O.L., McNeel, A.K., Cushman, R.A., Perry, G.A. 2013. Changes in ovarian function associated with circulating concentrations of estradiol prior to a GnRH-induced ovulation in beef cows [abstract]. Biology of Reproduction Supplement (46th Annual Meeting of the Society for the Study of Reproduction). p. 256 (Abstract #555).
Granulosa cells from bovine follicles activate different signal transduction pathways dependent on follicle health status and ability to convert androstenedione to estrogen -
McFee, R.M., Kurz, S.G., Summers, A.F., Pohlmeier, W.E., Cushman, R.A., Wood, J.R., Cupp, A.S. 2013. Granulosa cells from bovine follicles activate different signal transduction pathways dependent on follicle health status and ability to convert androstenedione to estrogen [abstract]. Biology of Reproduction Supplement (46th Annual Meeting of the Society for the Study of Reproduction). p. 265 (Abstract #577).
A bovine model for polycystic ovary syndrome -
Summers, A.F., Pohlmeier, W.E., Sargent, K.M., Kurz, S.G., McFee, R.M., Cushman, R.A., Wood, J.R., Cupp, A.S. 2013. A bovine model for polycystic ovary syndrome [abstract]. Biology of Reproduction Supplement (46th Annual Meeting of the Society for the Study of Reproduction). p. 53 (Abstract #67).
Lipogenic-associated gene activity of adipose tissue from beef heifers and relation to production and reproductive traits -
Rempel, L.A., Cushman, R.A., McDaneld, T.G., Miles, J.R., Kuehn, L.A., Lindholm-Perry, A.K. 2013. Lipogenic-associated gene activity of adipose tissue from beef heifers and relation to production and reproductive traits. Journal of Animal Science. 91 (E-Supplement 2):466 (Abstract #510).
Relationship of follicle size and concentrations of estradiol among cows that do and do not exhibit estrus during a fixed-time AI protocol -
Swanson, O.L., Larimore, E.L., Perry, B.L., Djira, G.D., Cushman, R.A., Perry, G.A. 2013. Relationship of follicle size and concentrations of estradiol among cows that do and do not exhibit estrus during a fixed-time AI protocol. Journal of Animal Science. 91 (E-Supplement 2):205 (Abstract #223).
The effects of selecting for the myostatin F94L polymorphism on reproductive traits in pubertal heifers -
Forbes, E.D., Swanson, O.L., McNeel, A.K., Tait, Jr., R.G., Smith, T.P.L., Bennett, G.L., Hoagland, T.A., Zinn, S.A., Lents, C.A., Perry, G.A., Cushman, R.A. 2013. The effects of selecting for the myostatin F94L polymorphism on reproductive traits in pubertal heifers. Journal of Animal Science. 91 (E-Supplement 2):287 (Abstract #W181).
CAPN1 and GDF8 genetic marker effects on heifer performance, reproduction, and first calf performance traits in beef cattle -
Tait Jr, R.G., Cushman, R.A., Smith, T.P., Freetly, H.C., Bennett, G.L. 2013. CAPN1 and GDF8 genetic marker effects on heifer performance, reproduction, and first calf performance traits in beef cattle [abstract]. Journal of Animal Science. 91(E-Supplement 2):392.
Identification of an ionotropic glutamate receptor AMPA1/GRIA1 polymorphism in crossbred beef cows differing in fertility Reprint Icon -
Cushman, R.A., Miles, J.R., Rempel, L.A., McDaneld, T.G., Kuehn, L.A., Chitko-McKown, C.G., Nonneman, D., Echternkamp, S.E. 2013. Identification of an ionotropic glutamate receptor AMPA1/GRIA1 polymorphism in crossbred beef cows differing in fertility. Journal of Animal Science. 91(6):2640-2646.
Technical Report: Serial collections of placentomes during parturition in cattle and subsequent reproductive performance Reprint Icon -
McNeel, A.K., Ondrak, J.D., Cushman, R.A. 2013. Technical Report: Serial collections of placentomes during parturition in cattle and subsequent reproductive performance. Journal of Animal Science. 91(5):2119-2121.
Physiology and Endocrinology Symposium: The current status of heat shock in early embryonic survival and reproductive efficiency -
Cushman, R.A. 2013. Physiology and Endocrinology Symposium: The current status of heat shock in early embryonic survival and reproductive efficiency. Journal of Animal Science. 91(3):1141-1142.
How our basic understanding of the ovarian reserve is improving reproductive management in domestic farm animals -
Cushman, R.A., McNeel, A., Chase, C., Jr., Lents, C. 2013. How our basic understanding of the ovarian reserve is improving reproductive management in domestic farm animals [abstract]. Journal of Animal Science. 91 (Supplement 2):77-78 (Abstract #O237).
Bovine females with thecal cell androgen excess result in altered oocyte maternal effect gene abundance -
Summers, A.F., Pohlmeier, W.E., Brauer, V.M., Sargent, K.M., McFee, R.M., Cushman, R.A., Wood, J.R., Cupp, A.S. 2013. Bovine females with thecal cell androgen excess result in altered oocyte maternal effect gene abundance [abstract]. Journal of Animal Science. 91 (Supplement 2):47 (Abstract #O136).
Effect of heifer calving date on longevity and lifetime productivity -
Mousel, E.M., Cushman, R.A., Perry, G.A., Kill, L.K. 2012. Effect of heifer calving date on longevity and lifetime productivity. Proceedings, Applied Reproductive Strategies in Beef Cattle, Sioux Falls, SD, December 3-4, 2012. pp. 23-31.
Management strategies for improving lifetime reproductive success in beef heifers -
Perry, G.A., Larimore, E.L., Bridges, G.A., Cushman, R.A. 2012. Management strategies for improving lifetime reproductive success in beef heifers. Proceedings, Applied Reproductive Strategies in Beef Cattle, Sioux Falls, SD, December 3-4, 2012. pp. 249-266.
What we know about the genetics of reproduction -
Cushman, R.A., Perry, G.A. 2012. What we know about the genetics of reproduction. Proceedings, Applied Reproductive Strategies in Beef Cattle, Sioux Falls, SD, December 3-4, 2012. pp. 165-173.
Networks and pathways to guide genomic selection -
Snelling, W.M., Cushman, R.A., Keele, J.W., Maltecca, C., Thomas, M.G., Fortes, M.R., Reverter, A. 2013. Networks and pathways to guide genomic selection. Journal of Animal Science. 91(2):537-552.
Prostaglandin F2a activates stress response signaling and induces expression of activating transcription factor 3 (ATF3) in bovine large luteal cells -
Heifers with low antral follicle counts have low birth weights and produce progeny with low birth weights -
Summers, A.F., Cushman, R.A., Cupp, A.S. 2012. Heifers with low antral follicle counts have low birth weights and produce progeny with low birth weights. Proceedings, Western Section, American Society of Animal Science. 63:217-220.
Litter size influences lamb weight and ovarian reserve but not reproductive tract development or expression of genes involved in early follicular development -
VEGFA164_B mRNA abundance has a positive relationship to AMH, BCL2 and the ratio of E2:A4 in mural granulosa cells of estrogen active and inactive follicles prior to ovulation -
Adipose and muscle tissue expression of two genes (NCAPG and LCORL) located in a chromosomal region associated with cattle feed intake and gain -
Lindholm-Perry, A.K., Sexten, A.K., Kuehn, L.A., Rempel, L.A., Miles, J.R., Cushman, R.A., Freetly, H.C. 2012. Adipose and muscle tissue expression of two genes (NCAPG and LCORL) located in a chromosomal region associated with cattle feed intake and gain [abstract]. Journal of Animal Science. 90(Suppl. 3):453.
Networks and pathways to guide genomic selection -
Snelling, W.M., Cushman, R.A., Keele, J.W., Maltecca, C., Thomas, M.G., Fortes, M.R., Reverter, A. 2012. Networks and pathways to guide genomic selection [abstract]. Journal of Animal Science Supplement. 90(Supplement 3):162. (Abstract No. 57).
Heifers with low antral follicle counts have low birth weights and produce progeny with low birth weights -
Summers, A.F., Cushman, R.A., Cupp, A.S. 2012. Heifers with low antral follicle counts have low birth weights and produce progeny with low birth weights [abstract]. Journal of Animal Science. 90 (Supplement 3):680 (Abstract #702).
Reduced fertility in female progeny from beef heifers on dietary restriction during development -
Echternkamp, S.E., Eborn, D.R., Cushman, R.A. 2012. Reduced fertility in female progeny from beef heifers on dietary restriction during development [abstract]. Journal of Animal Science. 90 (Supplement 3):472 (Abstract #519).
The impact of cow nutrient status during the second and third trimester on development of the reproductive axis and fertility of daughters -
Cushman, R.A., McNeel, A.K., Freetly, H.C. 2012. The impact of cow nutrient status during the second and third trimester on development of the reproductive axis and fertility of daughters [abstract]. Journal of Animal Science. 90 (Supplement 3):472 (Abstract #520).
Expression of PRSS, the plasminogen activator system and its activity in the ovine placentome during Stage 2 of parturition -
McNeel, A.K., Cushman, R.A., Vallet, J.L. 2012. Expression of PRSS, the plasminogen activator system and its activity in the ovine placentome during stage 2 of parturition [abstract]. Journal of Animal Science. 90 (Supplement 3):471 (Abstract #517).
Evaluation of bovine chemerin (RARRES2) gene variation on beef cattle production traits -
Lindholm-Perry, A.K., Kuehn, L.A., Rempel, L.A., Smith, T.P., Cushman, R.A., McDaneld, T.G., Wheeler, T.L., Shackelford, S.D., King, D.A., Freetly, H.C. 2012. Evaluation of bovine chemerin (RARRES2) gene variation on beef cattle production traits. Frontiers in Genetics. 3:39.
Commentary: Evidence that the autoimmune regulator gene influences thymic production of ovarian antigens and prevents autoimmune-mediated premature reproductive senescence -
Cushman, R.A. 2012. Commentary: Evidence that the autoimmune regulator gene influences thymic production of ovarian antigens and prevents autoimmune-mediated premature reproductive senescence. Biology of Reproduction. 86(4):109.
Contributions of the maternal uterine environment and piglet genotype on weaning survivability potential: I. Development of neonatal piglets after reciprocal embryo transfers between Meishan and White crossbred gilts Reprint Icon -
Miles, J.R., Vallet, J.L., Ford, J.J., Freking, B.A., Cushman, R.A., Oliver, W.T., Rempel, L.A. 2012. Contributions of the maternal uterine environment and piglet genotype on weaning survivability potential: I. Development of neonatal piglets after reciprocal embryo transfers between Meishan and White crossbred gilts. Journal of Animal Science. 90(7):2181-2192.
MicroRNA expression profile in bovine cumulus–oocyte complexes: Possible role of let-7 and miR-106a in the development of bovine oocytes Reprint Icon -
Miles, J.R., McDaneld, T.G., Wiedmann, R.T., Cushman, R.A., Echternkamp, S.E., Vallet, J.L., Smith, T.P.L. 2012. MicroRNA expression profile in bovine cumulus–oocyte complexes: Possible role of let-7 and miR-106a in the development of bovine oocytes. Animal Reproduction Sciences. 130(1-2):16-26.
Physiology and Endocrinology Symposium. Factors controlling puberty in beef heifers -
Fricke, P.M., Cushman, R.A. 2012. Physiology and Endocrinology Symposium. Factors controlling puberty in beef heifers. Journal of Animal Science. 90(4):1150-1151.
Effect of heifer calving date on longevity and lifetime productivity -
Kill, L.K., Mousel, E.M., Cushman, R.A., Perry, G.A. 2012. Effect of heifer calving date on longevity and lifetime productivity [abstract]. Journal of Animal Science. 90 (Supplement 2):131 (Abstract #340P).
Ultrasound and phenotypic measures of the reproductive tract of prepubertal gilts selected for increased uterine capacity -
Lents, C.A., Cushman, R.A., Freking, B.A. 2012. Ultrasound and phenotypic measures of the reproductive tract of prepubertal gilts selected for increased uterine capacity [abstract]. Journal of Animal Science. 90 (Supplement 2):118 (Abstract #299P).
How single nucleotide polymorphism chips will advance our knowledge of factors controlling puberty and aid in selecting replacement beef females Reprint Icon -
Snelling, W.M., Cushman, R.A., Fortes, M., Reverter, A., Bennett, G.L., Keele, J.W., Kuehn, L.A., McDaneld, T.G., Thallman, R.M., Thomas, M.G. 2012. How single nucleotide polymorphism chips will advance our knowledge of factors controlling puberty and aid in selecting replacement beef females. Journal of Animal Science. 90:1152-1165.
Investigation of a functional role for Titin in the bovine ovary based on the results of an initial whole genome scan for antral follicle count -
Cushman, R.A., Echternkamp, S.E. 2011. Investigation of a functional role for Titin in the bovine ovary based on the results of an initial whole genome scan for antral follicle count [abstract]. Biology of Reproduction. 85 (1 Supplement):199 (Abstract # 642).
Females with reduced fertility have excess androstenedione in follicular fluid, altered theca gene expression and increased VEGFA164b, maternal effect, and microRNA processing mRNA levels in cumulus-oocyte complexes -
Summers, A., Cushman, R., Smith, J.E., Lammers, B., Mcfee, R., Pohlmeier, W., Brauer, V., Sargent, K., Lu, N., Cupp, A.S., Wood, J.R. 2011. Females with reduced fertility have excess androstenedione in follicular fluid, altered theca gene expression and increased VEGFA164b, maternal effect, and microRNA processing mRNA levels in cumulus-oocyte complexes [abstract]. Biology of Reproduction. 85 (1 Supplement):205 (Abstract # 667).
Anti-angiogenic VEGFA164B isoform mRNA is more abundant in E2-inactive, atretic follicles while expression of angiogenic VEGFA isoforms is greater in granulosa cells from developing bovine follicles prior to the LH surge -
Mcfee, R., Artac, R., Pohlmeier, W., Kerl, J., Brauer, V., Cushman, R., Cupp, A. 2011. Anti-angiogenic VEGFA164B isoform mRNA is more abundant in E2-inactive, atretic follicles while expression of angiogenic VEGFA isoforms is greater in granulosa cells from developing bovine follicles prior to the LH surge [abstract]. Biology of Reproduction. 85 (1 Supplement):205 (Abstract # 668).
Rapid induction of gene expression in the corpus luteum following in vivo treatment with prostaglandin F2 alpha -
Davis, J.S., Hou, X., Maroni, D., Talbott, H., Fan, J., Guda, C., Yu, F., Cushman, R.A., Cupp, A.S. 2011. Rapid induction of gene expression in the corpus luteum following in vivo treatment with prostaglandin F2 alpha [abstract]. Biology of Reproduction. 85 (1 Supplement):111 (Abstract # 229).
Using ultrasonography to determine reproductive tract development in beef heifers -
Cushman, R.A., Kuehn, L.A., Thallman, R.M., Snelling, W.M., Freetly, H.C. 2011. Using ultrasonography to determine reproductive tract development in beef heifers [abstract]. Journal of Animal Science. 89 (E-Supplement 1):418-419 (Abstract #327).
Effects of protein supplementation during heifer development on reproductive characteristics and success in beef heifers -
Summers, A.F., Cushman, R.A., Weber, S.P., Spangler, M.L., Cupp, A.S. 2011. Effects of protein supplementation during heifer development on reproductive characteristics and success in beef heifers [abstract]. Journal of Animal Science. 89 (E-Supplement 1):91 (Abstract #M241).
Failure of differences in prepubertal dietary intake to affect ovarian development in pubertal beef heifers -
Echternkamp, S.E., Eborn, D.R., Cushman, R.A. 2011. Failure of differences in prepubertal dietary intake to affect ovarian development in pubertal beef heifers [abstract]. Journal of Animal Science. 89 (E-Supplement 1):93 (Abstract #M246).
How SNP chips will advance our knowledge of factors controlling puberty and aid in selecting replacement females -
Snelling, W.M., Cushman, R.A., Bennett, G.L., Keele, J.W., Kuehn, L.A., Mcdaneld, T.G., Thallman, R.M., Thomas, M.G. 2011. How SNP chips will advance our knowledge of factors controlling puberty and aid in selecting replacement females [abstract]. Journal of Animal Science Supplement. 89(E-Supplement 1):494. Abstract # 534.
Reproductive strategies to increase cow longevity -
Cushman, R.A. 2011. Reproductive strategies to increase cow longevity. (New York Winter Beef Management Meeting Handout, Syracuse, January 22, 2011.) Cornell University, Department of Animal Science Teaching, Extension, Research. Mimeograph Series No. 250.
Impact of bull development on reproductive success -
Perry, G.A., Rupp, G.P., Cushman, R.A. 2011. Impact of bull development on reproductive success [abstract]. Journal of Animal Science. 89 (E-Supplement 2):65 (Abstract #52).
Piglet growth and blood components during lactation following reciprocal embryo transfer between Meishan and White crossbred gilts -
Miles, J.R., Vallet, J.L., Ford, J.J., Freking, B.A., Cushman, R.A., Oliver, W.T., Christenson, R.K. 2011. Piglet growth and blood components during lactation following reciprocal embryo transfer between Meishan and White crossbred gilts [abstract]. Reproduction, Fertility and Development. 23(1):177-178 (Abstract #148).
Using growth traits and adipose function to identify indicators of heifer fertility -
Cushman, R.A., Allan, M.F., Mcdaneld, T.G., Kuehn, L.A., Rempel, L.A., Lindholm-Perry, A.K., Snelling, W.M., Freetly, H.C. 2010. Using growth traits and adipose function to identify indicators of heifer fertility [abstract]. Proceedings of 8th International Ruminant Reproduction Symposium. p. 130 (Abstract # M43).
Follicle size and volume is less indicative of development of a persistent follicle in beef heifers -
Mcfee, R., Pohlmeier, W., Smith, J., Kerl, J., Slattery, R., Clopton, D., Wood, J., Cushman, R., Cupp, A. 2010. Follicle size and volume is less indicative of development of a persistent follicle in beef heifers [abstract]. Biology of Reproduction. 83 (Special Issue):139 (Abstract # 615).
Reproductive Tract Differences in Repeat-Breeder Cows -
Cushman, R.A., Miles, J.R., Echternkamp, S.E. 2010. Reproductive Tract Differences in Repeat-Breeder Cows [abstract]. Journal of Animal Science. 88 (E-Supplement 2):220. (Abstract #168).
Effect of Dietary Energy on Ovarian Development and Fertility in Postpuberal Beef Heifers -
Echternkamp, S.E., Cushman, R.A., Ferrell, C.L. 2010. Effect of Dietary Energy on Ovarian Development and Fertility in Postpuberal Beef Heifers [abstract]. Journal of Animal Science. 88 (E-Supplement 2):115. (Abstract #M300).
Size of Ovulatory Follicles in Cattle Expressing Multiple Ovulations Naturally and Its Influence on Corpus Luteum Development and Fertility Reprint Icon -
Echternkamp, S.E., Cushman, R.A., Allan, M.F. 2009. Size of Ovulatory Follicles in Cattle Expressing Multiple Ovulations Naturally and Its Influence on Corpus Luteum Development and Fertility. Journal of Animal Science. 87(11):3556-3568.
Influence of Reproductive Aging of the Cow on Luteal Function and Period 1 mRNA Expression -
Cushman, R.A., Echternkamp, S.E. 2009. Influence of Reproductive Aging of the Cow on Luteal Function and Period 1 mRNA Expression [abstract]. Biology of Reproduction. 2009 Supplement:156 (Abstract #478).
Association Between Preovulatory Concentrations of Estradiol and Expression of Uterine Milk Protein Precursor, Inhibin Beta A, Period 1, Proenkephalin, and Receptors for Oxytocin, Progesterone, and Estradiol -
Perry, G.A., Perry, B.L., Cushman, R.A. 2009. Association Between Preovulatory Concentrations of Estradiol and Expression of Uterine Milk Protein Precursor, Inhibin Beta A, Period 1, Proenkephalin, and Receptors for Oxytocin, Progesterone, and Estradiol [abstract]. Biology of Reproduction. 2009 Supplement:117 (Abstract #308).
Comparison of Two Protocols to Achieve Pregnancy to Fixed-Time Artificial Insemination (TAI) in Suckled Beef Cows -
Echternkamp, S.E., Hays, W.G., Jones, S., Cushman, R.A. 2009. Comparison of Two Protocols to Achieve Pregnancy to Fixed-Time Artificial Insemination (TAI) in Suckled Beef Cows [abstract]. Journal of Animal Science. 87 (E-Supplement 2):269 (Abstract # T228).
Evaluation of Antral Follicle Count and Ovarian Morphology in Crossbred Beef Cows: Investigation of Influence of Stage of the Estrous Cycle, Age, and Birth Weight Reprint Icon -
Cushman, R.A., Allan, M.F., Kuehn, L.A., Snelling, W.M., Cupp, A.S., Freetly, H.C. 2009. Evaluation of Antral Follicle Count and Ovarian Morphology in Crossbred Beef Cows: Investigation of Influence of Stage of the Estrous Cycle, Age, and Birth Weight. Journal of Animal Science. 87(6):1971-1980.
Development of Neonatal Piglets Following Reciprocal Embryo Transfers Between Meishan and White Crossbred Gilts -
Miles, J.R., Vallet, J.L., Ford, J.J., Freking, B.A., Cushman, R.A., Oliver, W.T., Christenson, R.K. 2009. Development of Neonatal Piglets Following Reciprocal Embryo Transfers Between Meishan and White Crossbred Gilts [abstract]. Proceedings of VIIIth International Conference on Pig Reproduction, Banff, Alberta, Canada, p. 148.
Vascular Endothelial Growth Factor (VEGF) mRNA Isoforms are Altered in Bovine Granulosa Cells (GC) by Circulating Progestin Concentrations (P4) and May Indicate Follicle Status and Oocyte Competence -
Slattery, R., Clopton, D., Wood, J., Cushman, R., Cupp, A. 2009. Vascular Endothelial Growth Factor (VEGF) mRNA Isoforms are Altered in Bovine Granulosa Cells (GC) by Circulating Progestin Concentrations (P4) and May Indicate Follicle Status and Oocyte Competence [abstract]. Journal of Animal Science. 87 (E-Supplement 3):66 (Abstract # 85).
Achievements of Research in Reproduction Sciences -
Cushman, R.A., Allan, M.F., Kuehn, L.A. 2009. Achievements of Research in Reproduction Sciences. In: Rosati, A., Tewolde, A., Mosconi, C., editors. Animal Production and Animal Science Worldwide - WAAP Book of the Year 2007. The Netherlands: Wageningen Academic Publishers. p. 59-65.
Influence of Exogenous Progestin on Ovarian Function in Beef Cows -
Cushman, R.A., Wood, J.R., Echternkamp, S.E., Cupp, A.S. 2009. Influence of Exogenous Progestin on Ovarian Function in Beef Cows [abstract]. Journal of Animal Science. 87 (E-Supplement 3):113 (Abstract # 239).
MicroRNA expression profile in bovine cumulus-oocyte complexes during late oogenesis -
Miles, J.R., McDaneld, T.G., Wiedmann, R.T., Cushman, R.A., Echternkamp, S.E., Vallet, J.L., Smith, T.P.L. 2009. MicroRNA expression profile in bovine cumulus-oocyte complexes during late oogenesis [abstract]. Reproduction, Fertility and Development. 21(1):186 (Abstract #174).
Confirmation of quantitative trait loci using a low-density single nucleotide polymorphism map for twinning and ovulation rate on bovine chromosome 5 -
Allan, M.F., Kuehn, L.A., Cushman, R.A., Snelling, W.M., Echternkamp, S.E., Thallman, R.M. 2009. Confirmation of quantitative trait loci using a low-density single nucleotide polymorphism map for twinning and ovulation rate on bovine chromosome 5. Journal of Animal Science. 87(1):46-56.
Characterization of biological types of cattle: Indicator traits of fertility in beef cows -
Cushman, R.A., Allan, M.F., Kuehn, L.A. 2008. Characterization of biological types of cattle: Indicator traits of fertility in beef cows. Brazilian Journal of Animal Science. 37(Special Supplement):116-121.
Relationship of antral follicle counts to fertility and ovarian AMH mRNA levels in beef cows -
Cushman, R., Miles, J., Allan, M., Kuehn, L., Echternkamp, S., Freetly, H. 2008. Relationship of antral follicle counts to fertility and ovarian AMH mRNA levels in beef cows [abstract]. Biology of Reproduction. Special Issue:224 (Abstract #722).
Comparisons of mRNA expression for aromatase, FSH receptor, and IGF-I in the granulosa of small ovarian follicles between cattle selected and unselected for twin ovulations -
Echternkamp, S., Cushman, R., Spicer, L. 2008. Comparisons of mRNA expression for aromatase, FSH receptor, and IGF-I in the granulosa of small ovarian follicles between cattle selected and unselected for twin ovulations [abstract]. Biology of Reproduction. Special Issue:81 (Abstract #123).
Association between Period 1 mRNA levels in leukocytes and initiation of estrous cycles in peripubertal beef heifers -
Fields, S., Perry, B., Perry, G., Cushman, R. 2008. Association between Period 1 mRNA levels in leukocytes and initiation of estrous cycles in peripubertal beef heifers [abstract]. Biology of Reproduction. Special Issue:209 (Abstract #654).
MicroRNA (MiRNA) technology in livestock: expression profiling of bovine oocyte and developmental stages of porcine skeletal muscle -
Mcdaneld, T.G., Wiedmann, R.T., Miles, J.R., Cushman, R.A., Vallet, J.L., Smith, T.P. 2007. MicroRNA (MiRNA) technology in livestock: expression profiling of bovine oocyte and developmental stages of porcine skeletal muscle. Conference Proc., National Swine Improvement Federation Conference & Ann. Mtg., Dec. 5-7, 2007. Kansas City, MO, NSIF Volume 32, www.nsif.com.
Association between age and ovarian morphology in crossbred beef cows -
Cushman, R.A. 2008. Association between age and ovarian morphology in crossbred beef cows [abstract]. Journal of Animal Science. 86 (E-Supplement 3):106-107 (Abstract #231).
Increased calf production in cattle selected for twin ovulations -
Echternkamp, S.E., Thallman, R.M., Cushman, R.A., Allan, M.F., Gregory, K.E. 2007. Increased calf production in cattle selected for twin ovulations. Journal of Animal Science. 85(12):3239-3248.
Effects of ovulation rate and fetal number on fertility in twin-producing cattle -
Echternkamp, S.E., Cushman, R.A., Allan, M.F., Thallman, R.M., Gregory, K.E. 2007. Effects of ovulation rate and fetal number on fertility in twin-producing cattle. Journal of Animal Science. 85(12):3228-3238.
Characterization of biological types of cattle (Cycle VII): Influence of postpartum interval and estrous cycle length on fertility -
Cushman, R.A., Allan, M.F., Thallman, R.M., Cundiff, L.V. 2007. Characterization of biological types of cattle (Cycle VII): Influence of postpartum interval and estrous cycle length on fertility. Journal of Animal Science. 85(9):2156-2162.
Identification of indicator traits of fertility in the postpartum beef cow -
Cushman, R., Echternkamp, S., Allan, M., Freetly, H. 2007. Identification of indicator traits of fertility in the postpartum beef cow [abstract]. Biology of Reproduction. Special Issue:187-188.
Influence of breed on postpartum interval and estrous cycle length in beef cattle -
Cushman, R.A., Allan, M.F., Thallman, R.M., Cundiff, L.V. 2007. Influence of breed on postpartum interval and estrous cycle length in beef cattle [abstract]. Journal of Animal Science. 85 (Supplement 1):370. (Abstract #401)
Increasing ovulation rate reduced follicle size and increased blood progesterone concentrations but had no effect on fertility in cattle selected for twins -
Echternkamp, S.E., Cushman, R.A., Allan, M.F. 2007. Increasing ovulation rate reduced follicle size and increased blood progesterone concentrations but had no effect on fertility in cattle selected for twins [abstract]. Journal of Animal Science. 85 (Supplement 1):649. (Abstract #886)
Fine mapping of QTL for twinning and ovulation rate using low density SNP map in conjunction with microsatellite marker information in the USMARC twinning population -
Allan, M.F., Thallman, R.M., Cushman, R.A., Echternkamp, S.E., Kuehn, L.A., Snelling, W.M. 2007. Fine mapping of QTL for twinning and ovulation rate using low density SNP map in conjunction with microsatellite marker information in the USMARC twinning population [abstract]. Plant & Animal Genome XV Conference. Poster No. 521. p. 231.
ASSOCIATION OF A SINGLE NUCLEOTIDE POLYMORPHISM IN SPP1 WITH GROWTH TRAITS AND TWINNING IN A CATTLE POPULATION SELECTED FOR TWINNING RATE -
Allan, M.F., Thallman, R.M., Cushman, R.A., Echternkamp, S.E., White, S.N., Kuehn, L.A., Casas, E., Smith, T.P. 2007. Association of a single nucleotide polymorphism in spp1 with growth traits and twinning in a cattle population selected for twinning rate. Journal of Animal Science. 85(2):341-347.
LOCALIZATION OF PERIOD 1 MRNA IN THE RUMINANT OOCYTE AND INVESTIGATIONS OF ITS ROLE IN OVARIAN FUNCTION -
Cushman, R.A., Allan, M.F., Jones, S.A., Rupp, G.P., Echternkamp, S.E. 2007. Localization of Period 1 mRNA in the ruminant oocyte and investigations of its role in ovarian function. Animal Reproduction Science. 99(1-2):93-105.
INHIBITION OF VASCULAR ENDOTHELIAL GROWTH FACTOR SIGNALING BLOCKS PRIMORDIAL FOLLICLE ACTIVATION IN BOVINE OVARIAN CORTICAL CULTURES -
Cushman, R.A., Allan, M.F., Clopton, D.T., Echternkamp, S.E., Cupp, A.S. 2006. Inhibition of vascular endothelial growth factor signaling blocks primordial follicle activation in bovine ovarian cortical cultures [abstract]. Biology of Reproduction. (Supplement):144. (Abstract #325)
RELATIONSHIP OF CIRCULATING PROGESTERONE CONCENTRATIONS TO OVULATION RATE AND FERTILITY IN CATTLE SELECTED FOR TWIN OVULATIONS -
Echternkamp, S.E., Cushman, R.A., Allan, M.F. 2006. Relationship of circulating progesterone concentrations to ovulation rate and fertility in cattle selected for twin ovulations [abstract]. Biology of Reproduction. (Supplement):139. (Abstract #301)
LOCALIZATION OF PERIOD 1 MRNA IN THE RUMINANT OOCYTE AND INVESTIGATIONS OF ITS ROLE IN OVARIAN FUNCTION -
Cushman, R.A., Allan, M.F., Jones, S., Rupp, G.P., Echternkamp, S.E. 2006. Localization of Period 1 mRNA in the ruminant oocyte and investigations of its role in ovarian function [abstract]. Journal of Animal Science. 84 (Supplement 1):452-453. (Abstract #641)
EFFECTS OF OVULATION RATE AND FETAL NUMBER ON FERTILITY IN TWIN-PRODUCING CATTLE -
Echternkamp, S.E., Cushman, R.A., Allan, M.F. 2006. Effects of ovulation rate and fetal number on fertility in twin-producing cattle [abstract]. Journal of Animal Science. 84 (Supplement 1):152. (Abstract #209)
OBSERVED AND PREDICTED NUMBERS OF SINGLE, TWIN, AND TRIPLET BIRTHS IN A CATTLE POPULATION SELECTED FOR INCREASED TWINNING -
Bennett, G.L., Allan, M.F., Cushman, R.A., Echternkamp, S.E. 2006. Observed and predicted numbers of single, twin, and triplet births in a cattle population selected for increased twinning [abstract]. Journal of Animal Science 84(Suppl. 1):203.
RELATIONSHIP BETWEEN CONCENTRATIONS OF PREGNANCY-ASSOCIATED GLYCOPROTEINS (PAG) IN MATERNAL BLOOD AND FETAL NUMBER AND STATUS IN PREGNANT COWS -
Echternkamp, S.E., Green, J.A., Vonnahme, K.A., Cushman, R.A., Allan, M.F. Relationship between concentrations of pregnancy-associated glycoproteins (PAG) in maternal blood and fetal number and status in pregnant cows. Journal of Animal Science. 84(Supplement 2):127. (Abstract #301)
COMPARISON OF FERTILITY, LUTEAL CHARACTERISTICS, AND LUTEAL FUNCTION BETWEEN UNILATERAL AND BILATERAL DOUBLE OVULATIONS -
Cushman, R., Allan, M., Christenson, R., Echternkamp, S. 2006. Comparison of fertility, luteal characteristics, and luteal function between unilateral and bilateral double ovulations [abstract]. Journal of Animal Science. 84 (Supplement 2):127. (Abstract #300)
EVALUATION OF OVULATION RATE AND OVARIAN PHENOTYPE IN PUBERAL HEIFERS FROM A CATTLE POPULATION SELECTED FOR INCREASED OVULATION RATE -
Cushman, R.A., Allan, M.F., Snowder, G.D., Thallman, R.M., Echternkamp, S.E. 2005. Evaluation of ovulation rate and ovarian phenotype in puberal heifers from a cattle population selected for increased ovulation rate. Journal of Animal Science. 83(8):1839-1844.
DIFFERENTIAL GENE EXPRESSION IN THE OVARIAN CORTEX OF COWS SELECTED FOR MULTIPLE OVULATIONS -
Cushman, R.A., Allan, M.F., Christenson, R., Echternkamp, S.E. 2005. Differential gene expression in the ovarian cortex of cows selected for multiple ovulations [abstract]. Biology of Reproduction. (Supplement):188. (Abstract #W483)
INCREASED MRNA EXPRESSION FOR FSH RECEPTOR IN SMALL ANTRAL FOLLICLES IN THE OVARIAN CORTEX OF TWIN-PRODUCING CATTLE -
Echternkamp, S.E., Cushman, R.A., Christenson, R. 2005. Increased mRNA expression for FSH receptor in small antral follicles in the ovarian cortex of twin-producing cattle [abstract]. Biology of Reproduction. (Supplement):93. (Abstract #53)
EVIDENCE FOR A ROLE FOR ANTI-MULLERIAN HORMONE IN THE SUPPRESSION OF FOLLICLE ACTIVATION IN MOUSE OVARIES AND BOVINE OVARIAN CORTEX GRAFTED BENEATH THE CHICK CHORIOALLANTOIC MEMBRANE -
Gigli, I., Cushman, R.A., Wahl, C.M., Fortune, J.E. 2005. Evidence for a role for anti-Mullerian hormone in the suppression of follicle activation in mouse ovaries and bovine ovarian cortex grafted beneath the chick chorioallantoic membrane. Molecular Reproduction and Development. 71(4):480-488.
EVALUATION OF OVULATION RATE AND OVARIAN PHENOTYPE IN PUBERAL HEIFERS FROM A CATTLE POPULATION SELECTED FOR MULTIPLE BIRTHS -
Cushman, R.A., Allan, M.F., Snowder, G.D., Thallman, R.M., Echternkamp, S.E. 2005. Evaluation of ovulation rate and ovarian phenotype in puberal heifers from a cattle population selected for multiple births [abstract]. Journal of Animal Science. 83 (Supplement 2):86-87.
HERITABILITY ESTIMATE FOR BILATERAL OVULATION IN HEIFERS -
Snowder, G.D., Cushman, R.A., Allan, M.F., Thallman, R.M., Echternkamp, S.E. 2005. Heritability estimate for bilateral ovulation in heifers [abstract]. Midwestern Section of the American Society of Animal Science 83(2):39.
EFFECT OF OVULATION RATE ON DEVELOPMENT OF THE OVINE CORPUS LUTEUM -
Echternkamp, S.E., Cushman, R.A., Christenson, R.K. 2004. Effect of ovulation rate on development of the ovine corpus luteum [abstract]. Journal of Animal Science. 82 (Supplement 1):67. (Abstract #M266)
FACTORS AFFECTING THE DEVELOPMENT OF PREANTRAL FOLLICLES IN CATTLE -
Cushman, R.A., Allan, M.F., Echternkamp, S.E. 2004. Factors affecting the development of preantral follicles in cattle [abstract]. Journal of Animal Science. 82 (Supplement 2):85. (Abstract #230)
BOVINE OVARIAN CORTICAL PIECES GRAFTED TO CHICK EMBRYONIC MEMBRANES: A MODEL FOR STUDIES ON THE ACTIVATION OF PRIMORDIAL FOLLICLES -
Cushman, R.A., Wahl, C.M., Fortune, J.E. 2002. Bovine ovarian cortical pieces grafted to chick embryonic membranes: a model for studies on the activation of primordial follicles. Human Reproduction. 17(1):48-54.
ALTERATION OF ACTIVATION, GROWTH, AND ATRESIA OF BOVINE PREANTRAL FOLLICLES BY LONG-TERM TREATMENT OF COWS WITH ESTRADIOL AND RECOMBINANT BOVINE SOMATOTROPIN -
Cushman, R.A., Desouza, J.C., Hedgpeth, V.S., Britt, J.H. 2001. Alteration of activation, growth, and atresia of bovine preantral follicles by long-term treatment of cows with estradiol and recombinant bovine somatotropin. Biology of Reproduction. 65(2):581-586.
EFFECT OF LONG-TERM TREATMENT WITH RECOMBINANT BOVINE SOMATOTROPIN AND ESTRADIOL ON HORMONE CONCENTRATIONS AND OVULATORY RESPONSE OF SUPEROVULATED CATTLE -
Cushman, R.A., Desouza, J.C., Hedgpeth, V.S., Britt, J.H. 2001. Effect of long-term treatment with recombinant bovine somatotropin and estradiol on hormone concentrations and ovulatory response of superovulated cattle. Theriogenology. 55(7):1533-1547.
THE PRIMORDIAL TO PRIMARY FOLLICLE TRANSITION -
Fortune, J.E., Cushman, R.A., Wahl, C.M., Kito, S. 2000. The primordial to primary follicle transition. Molecular and Cellular Endocrinology. 163(1/2):53-60.
TECHNICAL NOTE: USE OF SLOW-RELEASE ESTRADIOL AND PROSTAGLANDIN F2ALPHA TO INDUCE PSEUDOPREGNANCY AND CONTROL ESTRUS IN GILTS -
Cushman, R.A., Davis, P.E., Boonyaprakob, U., Hedgpeth, V.S., Burns, P.J., Britt, J.H. 1999. Technical note: Use of slow-release estradiol and prostaglandin F2alpha to induce pseudopregnancy and control estrus in gilts. Journal of Animal Science. 77(11):2883-2885.
SUPEROVULATORY RESPONSE OF ONE OVARY IS RELATED TO THE MICRO- AND MACROSCOPIC POPULATION OF FOLLICLES IN THE CONTRALATERAL OVARY OF THE COW -
Cushman, R.A., Desouza, J.C., Hedgpeth, V.S., Britt, J.H. 1999. Superovulatory response of one ovary is related to the micro- and macroscopic population of follicles in the contralateral ovary of the cow. Biology of Reproduction. 60(2):349-354.
IN VIVO DESENSITIZATION OF A HIGH AFFINITY PGF2ALPHA RECEPTOR IN THE OVINE CORPUS LUTEUM -
Lamsa, J.C., Cushman, R.A., Nay, M.G., Mccracken, J.A. 1992. In vivo desensitization of a high affinity PGF2alpha receptor in the ovine corpus luteum. Prostaglandins. 43(2):165-179.
Last Modified: 5/2/2016
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