Effect of gonadotropin-releasing hormone administered at the time of artificial insemination for cows detected in estrus by conventional estrus detection or an automated activity-monitoring system
ABSTRACT: The objectives of this study were to determine the effects of GnRH at the time of artificial insemination (AI) on ovulation, progesterone 7 d post-AI, and pregnancy in cows detected in estrus using traditional methods (tail chalk removal and mount acceptance visualization) or an automated...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2022-01-01
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Series: | Journal of Dairy Science |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0022030221009851 |