10 Pregnancy rates following artificial insemination or embryo transfer in lactating Holstein cows
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DOI: 10.1071/rdv32n2ab10
Abstract: Excessive heat affects the fertility of high production lactating cows, and reduced pregnancy rates (PR) are observed during summer and early fall. Embryo production programs are used to produce more calves from high genetic merit… read more here.
Keywords: lactating holstein; pregnancy; critical months; embryo transfer ... See more keywords