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Showing 1 to 3 of 3 for “"Ovulation synchronization"”.
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Fertility after timed artific[i]al insemination in response to a Controlled Internal Drug Release (CIDR) insert in lactating dairy cows
… drug release; CIDR) in conjunction with an ovulation-synchronization protocol. Cows were enrolled in a Presynch + Ovsynch protocol after parturition, where they received 2 injections of PGF[subscript]2[alpha], 14 d apart (Presynch) beginning between 30 and 36 DIM. Cows (n = 155) detected in …
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The effects of protein supplementation on performance of beef cattle grazing native mixedgrass range in western Kansas
… Proportions of heifers pubertal before ovulation synchronization, first service conception rates, and final pregnancy rates were not affected (P > 0.40) by treatment. Under the conditions of our study supplemental CP fed at a rate of approximately 0.56 kg daily was sufficient to promote …
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The Effects of a GnRH Antagonist, Cetrorelix, on Ovarian Function in Cattle
Estradiol-based ovulation synchronization protocol are effective for breeding management in cattle, however, political pressure from the European Union has resulted in many countries enacting similar bans on the use of estradiol in livestock animals. Our long-term goal is to engineer an alternative …