Page Banner

United States Department of Agriculture

Agricultural Research Service

Research Project: Alleviating Rate Limiting Factors That Compromise Beef Production Efficiency

Location: Livestock and Range Research Laboratory (LARRL)

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)

Index-in-retrospect and breeding objectives characterizing genetic improvement programs for South African Nguni cattle     Reprint Icon - (Peer Reviewed Journal)
Matjuda, L.E., MacNeil, M.D., Maiwashe, A., Leesburg, V.L., Malatje, M. 2014. Index-in-retrospect and breeding objectives characterizing genetic improvement programs for South African Nguni cattle. South African Journal of Science. 44 Online.
Nanopurification of semen improves AI pregnancy rates in beef cattle - (Abstract Only)
(16-Apr-14)
Can we build the cowherd by increasing longevity of females? - (Abstract Only)
(19-Mar-14)
Influence of Miles City Line 1 on the United States Hereford Population     Reprint Icon - (Peer Reviewed Journal)
Leesburg, V.L., MacNeil, M.D., Neser, F.C. 2014. Influence of Miles City Line 1 on the United States Hereford Population. Journal of Animal Science. 92:2387-2394.
Comparison of methionine hydroxy analogue chelated versus sulfate forms of copper, zinc, and manganese on growth performance and pregnancy rates in yearling beef replacement heifers     Reprint Icon - (Peer Reviewed Journal)
Whitehurst, W.A., Paterson, J.A., Harbac, M.M., Petersen, M.K., Duff, G.C., Geary, T.W., Zanton, G.I., Wistuba, T.J. 2014. Comparison of methionine hydroxy analogue chelated versus sulfate forms of copper, zinc, and manganese on growth performance and pregnancy rates in yearling beef replacement heifers. Professional Animal Scientist. 30:62-67.
The effect of follicle age on pregnancy rate in beef cows     Reprint Icon - (Peer Reviewed Journal)
Abreu, F.M., Geary, T.W., Cruppe, L.H., Madsen, C.A., Jinks, E.M., Pohler, K.G., Vasconcelos, L.M., Day, M.L. 2014. The effect of follicle age on pregnancy rate in beef cows. Journal of Animal Science. 92:1015-1021.
The effect of follicle age on conception rate in beef heifers     Reprint Icon - (Peer Reviewed Journal)
Abreu, F.M., Cruppe, L.H., Maquivar, M., Utt, M.D., Madsen, C.A., Vasconcelos, J.M., Mussard, M.L., Day, M.L., Geary, T.W. 2014. The effect of follicle age on conception rate in beef heifers. Journal of Animal Science. 92:1022-1028.
Effects of fertility on gene expression and function of the bovine endometrium     Reprint Icon - (Peer Reviewed Journal)
Minten, M.A., Bilby, T.R., Bruno, R.S., Allen, C.C., Madsen, C.A., Wang, Z., Sawyer, J.E., Tibary, A., Neibergs, H.L., Geary, T.W., Bauersachs, S., Spencer, T.E. 2013. Effects of fertility on gene expression and function of the bovine endometrium. PLoS One. 8(8):1-14 (e69444).
Circulating bovine pregnancy associated glycoproteins (bPAGs) are associated with late embryonic/fetal survival but not ovulatory follicle size in suckled beef cows - (Peer Reviewed Journal)
Pohler, K.G., Geary, T.W., Johnson, C.L., Atkins, J.A., Jinks, E.M., Busch, D.C., Green, J.A., Macneil, M.D., Smith, M.F. 2013. Circulating bovine pregnancy associated glycoproteins (bPAGs) are associated with late embryonic/fetal survival but not ovulatory follicle size in suckled beef cows. Journal of Animal Science. 91:4158-4167.
Impact of number of estrous cycles exhibited prior to start of breeding on reproductive performance in beef heifers - (Proceedings)
Roberts, A.J., Ketchum, J., Funston, R.N., Geary, T.W. 2013. Impact of number of estrous cycles exhibited prior to start of breeding on reproductive performance in beef heifers. Western Section of Animal Science Proceedings. 64:254-257.
Genetic variation in bison (bison bison) subspecies and cattle (Bos taurus) breeds and subspecies     Reprint Icon - (Peer Reviewed Journal)
Cronin, M.A., MacNeil, M.D., Vu, N., Leesburg, V.L., Blackburn, H.D., Derr, J. 2013. Genetic variation in bison (bison bison) subspecies and cattle (Bos taurus) breeds and subspecies. Journal of Heredity. 104(4):500-509.
Comparison of methionine chelated versus sulfate trace minerals on rate and efficiency of gain and pregnancy rates in beef heifers - (Proceedings)
Whitehurst, W.A., Paterson, J.A., Harbac, M.M., Petersen, M.K., Duff, G.C., Geary, T.W. 2012. Comparison of methionine chelated versus sulfate trace minerals on rate and efficiency of gain and pregnancy rates in beef heifers. Western Section of Animal Science Proceedings 63:274-277.
Last Modified: 8/1/2014
Footer Content Back to Top of Page