Comparison of reproductive management programs for submission of Holstein heifers for first insemination with conventional or sexed semen based on expression of estrus, pregnancy outcomes, and cost per pregnancy
| Autor: | Lauber, M.R., Cabrera, E.M., Santos, V.G., Carvalho, P.D., Maia, C., Carneiro, B., Valenza, A., Cabrera, V.E., Parrish, J.J., Fricke, P.M. * |
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| Zdroj: | In Journal of Dairy Science August 2021 |
| Databáze: | ScienceDirect |
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