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.
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DOI: 10.3168/jds.2021-20617
Abstract: Our objective was to evaluate reproductive management programs for submission of Holstein heifers for first insemination with conventional or sexed semen. In experiment 1, nulliparous Holstein heifers (n = 462) were submitted to a 5-d… read more here.
Keywords: expression estrus; pregnancy; cidr; pgf2 ... See more keywords