Reproductive Outcomes in High-Yielding Holstein Cows Following Administration of GnRH on Day 5 After Artificial Insemination
Silviu-Ionuț Borș
Abstract:The objectives of this study was to assess the impact of a reproductive approach in high-yielding nulliparous and parous Holstein cows on the interestrus interval, estrus detection rates, conception rates, and pregnancy rates. The strategy involved giving GnRH on day 5 following artificial insemination (AI). For nulliparous cows, there appears to be no noticeable effect of GnRH therapy on the interestrus interval. In both groups, nearly all of the cows exhibited an 18–25-day cycle interval (P < 0.05). I… Show more
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