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ARS Home » Plains Area » Miles City, Montana » Livestock and Range Research Laboratory » People & Locations » Abby Zezeski
Abby Zezeski
Livestock and Range Research Laboratory
Biological Science Lab Technician (Animals)

Phone: (406) 874-8277
Fax: (406) 874-8289

(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Effects of feeding 60% dried corn distillers grains or the equivalent sulfur as CaSO4 on DNA integrity and gene expression in yearling Angus bull sperm Reprint Icon - (Peer Reviewed Journal)
Kassetas, C.J., Geary, T.W., Zezeski, A.L., Caton, J.S., Kirsch, J.D., Dorsam, S.T., Da Silva Diniz, W.J., Mccarthy, K.L., Crouse, M.S., Dahlen, C.R., Sedivec, K.K., Neville, B.W. 2023. Effects of feeding 60% dried corn distillers grains or the equivalent sulfur as CaSO4 on DNA integrity and gene expression in yearling Angus bull sperm. Ruminants. 3:286-298. https://doi.org/10.3390/ruminants3040026.
Influence of preovulatory estradiol treatment on the maintenance of pregnancy in beef cattle receiving in vivo produced embryos Reprint Icon - (Peer Reviewed Journal)
Ketchum, J.N., Perry, G.A., Quail, L.K., Epperson, K.M., Ogg, M.A., Zezeski, A.L., Rich, J.J., Zoca, S.M., Kline, A.C., Andrews, T.N., Ortega, M., Smith, M.F., Geary, T.W. 2023. Influence of preovulatory estradiol treatment on the maintenance of pregnancy in beef cattle receiving in vivo produced embryos. Animal Reproduction Science. 255. Article 107274. https://doi.org/10.1016/j.anireprosci.2023.107274.
Bull field fertility differences can be estimated with in vitro sperm capacitation and flow cytometry Reprint Icon - (Peer Reviewed Journal)
Zoca, S.M., Geary, T.W., Zezeski, A.L., Kerns, K.C., Dalton, J.C., Harstine, B.R., Utt, M.D., Cushman, R.A., Walker, J.A., Perry, G.A. 2023. Bull field fertility differences can be estimated with in vitro sperm capacitation and flow cytometry. Frontiers in Animal Science. 4. Article 1180975. https://doi.org/10.3389/fanim.2023.1180975.
Effects of prenatal and postnatal melatonin supplementation on overall performance, male reproductive performance, and testicular hemodynamics in beef cattle Reprint Icon - (Peer Reviewed Journal)
Reid, D.S., Geary, T.W., Zezeski, A.L., Waterman, R.C., Van Emon, M.L., Messman, R.D., Burnett, D.D., Lemley, C.O. 2023. Effects of prenatal and postnatal melatonin supplementation on overall performance, male reproductive performance, and testicular hemodynamics in beef cattle. Journal of Animal Science. 101:1-10. https://doi.org/10.1093/jas/skad111.
Effects of prenatal and postnatal melatonin supplementation on overall performance, male reproductive performance, and testicular hemodynamics in beef cattle Reprint Icon - (Peer Reviewed Journal)
Reid, D.S., Geary, T.W., Zezeski, A.L., Waterman, R.C., Van Emon, M.L., Messman, R.D., Burnett, D.D., Lemley, C.O. 2023. Effects of prenatal and postnatal melatonin supplementation on overall performance, male reproductive performance, and testicular hemodynamics in beef cattle. Journal of Animal Science. 101. Article skad111. https://doi.org/10.1093/jas/skad111.
Modulation of expression of estrus, steroidogenesis and embryo development following peri-Artificial Insemination nutrient restriction in beef heifers Reprint Icon - (Peer Reviewed Journal)
Epperson, K.M., Beck, E.E., Rich, J.J., Northrop-Albrecht, E.J., Perkins, S.D., Zezeski, A.L., Ketchum, J.N., Zoca, S.M., Walker, J.A., Geary, T.W., Perry, G.A. 2022. Modulation of expression of estrus, steroidogenesis and embryo development following peri-Artificial Insemination nutrient restriction in beef heifers. Animal Reproduction Science. 244. Article 107045. https://doi.org/10.1016/j.anireprosci.2022.107045.
Sperm quality assessments using flow cytometry do not differ between Angus and Charolais breeds of yearling bulls meeting BSE threshold requirements - (Abstract Only)
Correlations between reactive oxygen species and functional measurements of spermatozoa from beef bulls - (Abstract Only)
Medroxyprogesterone acetate in reindeer bulls: testes histology, cfos activity in the brain, breeding success and semen quality Reprint Icon - (Peer Reviewed Journal)
Rowell, J.E., Blake, J.E., Roth, K., Sutton, C., Sachse, C., Cupp, A.S., Geary, T.W., Zezeski, A.L., Alexander, B.M., Ziegler, R.L., Shipka, M.P. 2022. Medroxyprogesterone acetate in reindeer bulls: testes histology, cfos activity in the brain, breeding success and semen quality. Journal of Animal Sciences. 100(6):1-11. https://doi.org/10.1093/jas/skac106.
Impact of preovulatory estradiol concentrations on subsequent luteal function in beef cattle Reprint Icon - (Peer Reviewed Journal)
McLean, M.K., Geary, T.W., Zezeski, A.L., Smith, M.F., Spencer, T.E., Pohler, K.G., Reese, S.T., Perry, G.A. 2022. Impact of preovulatory estradiol concentrations on subsequent luteal function in beef cattle. Systems Biology in Reproductive Medicine. 68(4):286-297. https://doi.org/10.1080/19396368.2022.2038717.
Use of sperm in vitro capacitation and flow cytometry to estimate bull fertility - (Experiment Station)
Menegatti Zoca, S., Geary, T.W., Zezeski, A.L., Kerns, K.C., Dalton, J.C., Harstine, B.R., Utt, M.D., Cushman, R.A., Walker, J.A., Perry, G.A. 2022. Use of sperm in vitro capacitation and flow cytometry to estimate bull fertility. South Dakota State University Beef Day 2022 Summary Publication. 66-75.
Factors impacting abundance of PAGs after embryo transfer in beef cattle Reprint Icon - (Abstract Only)
Quail, L.K., Ketchum, J.N., Epperson, K.M., Zoca, S.M., Andrews, T.N., Kline, A.C., Rich, J.J., Zezeski, A.L., Ogg, M.A., Rhoades, J.R., Smith, M.F., Perry, G.A., Geary, T.W. 2022. Factors impacting abundance of PAGs after embryo transfer in beef cattle. American Society of Animal Science Southern Section Meeting. 100(S1):31. https://doi.org/10.1093/jas/skac028.060.
Bull field fertility differences can be estimated with in vitro capacitation and flow cytometry - (Abstract Only)
Preovulatory estradiol elicits an effect on pregnancy maintenance in beef cows - (Abstract Only)
Effect of supplemental trace minerals on standard and novel measure of bull fertility Reprint Icon - (Peer Reviewed Journal)
Geary, T.W., Waterman, R.C., Van Emon, M.L., Ratzburg, C.R., Lake, S., Eik, B.A., Armstrong, D.R., Zezeski, A.L., Heldt, J.S. 2021. Effect of supplemental trace minerals on standard and novel measure of bull fertility. Theriogenology. 172:307-314. https://doi.org/10.1016/j.theriogenology.2021.07.006.
Effect of pre and post-AI nutrition on ovarian dynamics, steroidogenesis, and expression of estrus in beef heifers Reprint Icon - (Abstract Only)
Epperson, K.M., Rich, J.J., Zezeski, A.L., Zoca, S.M., Walker, J.A., Geary, T.W., Perry, G.A. 2021. Effect of pre and post-AI nutrition on ovarian dynamics, steroidogenesis, and expression of estrus in beef heifers. American Society of Animal Science Annual Meeting. 99(S3):131. https://doi.org/10.1093/jas/skab235.239.
The interactions of change in nutrition on uterine environment and plasma cholesterol concentrations in beef cattle Reprint Icon - (Abstract Only)
Andrews, T.N., Epperson, K.M., Rich, J.J., Zoca, S.M., Zezeski, A.L., Geary, T.W., Lawrence, R.D., Walker, J.A., Perry, G.A. 2021. The interactions of change in nutrition on uterine environment and plasma cholesterol concentrations in beef cattle. Midwestern Section of the American Society of Animal Science. 99:110. https://doi.org/10.1093/jas/skab054.180.
Increased preovulatory estradiol improves pregnancy success of embryo transfer in beef cows Reprint Icon - (Abstract Only)
Ketchum, J.N., Perry, G.A., Epperson, K.M., Quail, L.K., Ogg, M.A., Zezeski, A.L., Rich, J.J., Zoca, S.M., Kline, A.C., Andrews, T.N., Ortega, M., Smith, M.F., Geary, T.W. 2021. Increased preovulatory estradiol improves pregnancy success of embryo transfer in beef cows. American Society of Animal Science Annual Meeting. 99(S3):124-125. https://doi.org/10.1093/jas/skab235.227.
The interactions of change in nutrition after AI on plasma metabolites, steroid hormones, and uterine histotroph in beef heifers Reprint Icon - (Abstract Only)
Andrews, T.N., Walker, J.A., Epperson, K.M., Rich, J.J., Zoca, S.M., Kline, A.C., Quail, L.K., Mccoski, S.R., Sanford, C., Zezeski, A.L., Geary, T.W., Perry, G.A. 2021. The interactions of change in nutrition after AI on plasma metabolites, steroid hormones, and uterine histotroph in beef heifers. American Society of Animal Science Annual Meeting. 99(S3):290-291. https://doi.org/10.1093/jas/skab235.533.
Effects of nutrition on bull fertility Reprint Icon - (Abstract Only)
Geary, T.W., Dahlen, C.R., Zezeski, A.L. 2021. Effects of nutrition on bull fertility. American Society of Animal Science Annual Meeting. 99(S3):136. https://doi.org/10.1093/jas/skab235.249.
The effect of melatonin supplementation on dam milking traits and calf performance in beef cattle Reprint Icon - (Abstract Only)
Reid, D., Geary, T.W., Zezeski, A.L., Waterman, R.C., Reil, M.S., Burnett, D.D., Lemley, C.O. 2021. The effect of melatonin supplementation on dam milking traits and calf performance in beef cattle. American Society of Animal Science Southern Section Meeting. 99:17-18. https://doi.org/10.1093/jas/skab096.029.
Effect of estradiol preceding and progesterone subsequent to ovulation on proportion of postpartum beef cows pregnant Reprint Icon - (Peer Reviewed Journal)
Ciernia, L.A., Perry, G.A., Smith, M.F., Rich, J.J., Northrop, E.J., Perkins, S.D., Green, J.A., Zezeski, A.L., Geary, T.W. 2021. Effect of estradiol preceding and progesterone subsequent to ovulation on proportion of postpartum beef cows pregnant. Animal Reproduction Science. 227. Article 106723. https://doi.org/10.1016/j.anireprosci.2021.106723.
Effects of managing mature beef bulls on divergent planes of nutrition on novel measures of bull fertility [Abstract] Reprint Icon - (Abstract Only)
Dahlen, C.R., Kassetas, C.J., Geary, T.W., Zezeski, A.L., Underdahl, S.R., Mccarthy, K.L., Kirsch, J.D., Dorsam, S.T., Crouse, M.S., Baumgaertner, F., Sedivec, K.K., Caton, J.S. 2020. Effects of managing mature beef bulls on divergent planes of nutrition on novel measures of bull fertility [Abstract]. Meeting Abstract. 98(S4):114-115. https://doi.org/10.1093/jas/skaa278.209.
Effect of feeding 60% dried corn distillers grain plus solubles or the equivalent sulfur as CaSO4 on DNA structure and integrity in bull semen [Abstract] Reprint Icon - (Abstract Only)
Kassetas, C.J., Geary, T.W., Zezeski, A.L., Caton, J.S., Kirsch, J.D., Dorsam, S.T., Mccarthy, K.L., Crouse, M.S., Sedivec, K.K., Neville, B.W., Dahlen, C.R. 2020. Effect of feeding 60% dried corn distillers grain plus solubles or the equivalent sulfur as CaSO4 on DNA structure and integrity in bull semen [Abstract]. Meeting Abstract. 98(S4):268-269. https://doi.org/10.1093/jas/skaa278.483.
The interactions of change in nutrition on uterine environment and cholesterol concentrations in beef cattle [Abstract] - (Abstract Only)
Effect of pre and post-AI nutrition on ovarian dynamics, steroidogenesis, and estrus expression in beef heifers [Abstract] - (Abstract Only)
The effects of short-term medroxyprogesterone acetate on rut related behaviors, semen characteristics and fertility in farmed reindeer bulls Reprint Icon - (Peer Reviewed Journal)
Rowell, J.E., Geary, T.W., Blake, J.E., Zezeski, A.L., Shipka, M.P. 2019. The effects of short-term medroxyprogesterone acetate on rut related behaviors, semen characteristics and fertility in farmed reindeer bulls. Theriogenology. 140:201-209. https://doi.org/10.1016/j.theriogenology.2019.08.029.
Effect of supplemental trace minerals on novel measures of bull fertility Reprint Icon - (Peer Reviewed Journal)
Geary, T.W., Waterman, R.C., Van Emon, M.L., Ratzburg, C.R., Lake, S., Eik, B.A., Armstrong, D.R., Zezeski, A.L., Heldt, J.S. 2019. Effect of supplemental trace minerals on novel measures of bull fertility. Translational Animal Science. 3(1):1813-1817. https://doi.org/10.1093/tas/txz102.
Influence of vaccination with a combined chemically altered/inactivated BHV-1/BVD vaccine or a modified-live BHV-1/BVD vaccine on reproductive performance in beef cows and heifers - (Peer Reviewed Journal)
Perry, G.A., Geary, T.W., Walker, J.A., Rich, J.J., Northrop, E.J., Perkins, S.D., Mogck, C.L., Van Emon, M.L., Zezeski, A.L., Daly, R.F. 2018. Influence of vaccination with a combined chemically altered/inactivated BHV-1/BVD vaccine or a modified live BHV-1/BVD vaccine on reproductive performance in beef cows and heifers. Bovine Practitioner Journal. 52:53-58.
Effects of copper and zinc supplementation on standard and novel measures of fertility in peripubertal beef bulls [Abstract] - (Abstract Only)
Geary, T.W., Waterman, R.C., Van Emon, M., Zezeski, A.L., Heldt, J., Spears, J. 2018. Effects of copper and zinc supplementation on standard and novel measures of fertility in peripubertal beef bulls [Abstract]. Meeting Abstract. 4.
Glycosylation and immunocytochemistry of binucleate cells in pronghorn (Antilocapra Americana, Antilocapridae) shows features of both Giraffidae and Bovidae Reprint Icon - (Peer Reviewed Journal)
Jones, C.P., Silvia, W.J., Hamilton, C.H., Geary, T.W., Zezeski, A.L., Wooding, F. 2017. Glycosylation and immunocytochemistry of binucleate cells in pronghorn (Antilocapra Americana, Antilocapridae) shows features of both Giraffidae and Bovidae. Placenta. 57:216-222. doi:10.1016/j.placenta.2017.07.011.