Article
Ovarian function and endocrine phenotypes of lactating dairy cows during the estrous cycle are associated with genomic-enhanced predictions of fertility potential.
Journal of dairy science - 1 Sept 2024
Sitko E M, Laplacette A, Duhatschek D, Rial C, Perez M M, Tompkins S, Kerwin A L, Domingues R R, Wiltbank M C, Giordano J O
Abstract excerpt
The objectives of this prospective cohort study were to characterize associations among genomic merit for fertility with ovarian and endocrine function and the estrous behavior of dairy cows during an entire nonhormonally manipulated estrous cycle. Lactating Holstein cows entering their first (n = 82) or second (n = 37) lactation had ear-notch tissue samples collected for genotyping using a commercial genomic...
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