12 Ovulation Timing Following an Aromatase Inhibitor-Based Synchronization Protocol in Beef Heifers and Cows
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DOI: 10.1071/rdv30n1ab12
Abstract: The study was conducted to determine the effects of parity/lactation and the timing of gonadotropin-releasing hormone (GnRH) treatment on the efficacy of a non-steroidal aromatase inhibitor-based synchronization protocol in cattle. Results from previous studies confirmed… read more here.
Keywords: synchronization protocol; treatment; group; ovulation ... See more keywords
226 Effect of the presence or absence of corpus luteum in females with small antral follicles at the beginning of a progesterone-based oestrus synchronization protocol on superovulatory response and embryo yields in sheep
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DOI: 10.1071/rdv32n2ab226
Abstract: The high variability of responses to multiple ovulation and embryo transfer (MOET) programs is related to several factors, including the ovarian population present at the beginning of hormonal protocols. Thus, our objective was to evaluate… read more here.
Keywords: synchronization protocol; oestrus synchronization; embryo; based oestrus ... See more keywords
218 Effect of GnRH injection at -72 h in MGA-PG estrus synchronization protocol
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DOI: 10.1093/jas/skz122.216
Abstract: Beef heifers (n = 1524) from two operations in central Nebraska were randomly assigned to one of two treatments [0 or 5 μg GnRH at prostaglandin F2α (PGF) administration 72 hrs before insemination]. Both locations… read more here.
Keywords: injection; pregnancy; synchronization protocol; mga ... See more keywords