BioTracking (United States)

PS6-13. Time to Luteolysis and Conceptus Attachment Vary with Parity in Holstein Heifers and Cows Diagnosed Non-pregnant by Ultrasound 32 Days After Timed AI.

Abstract This observational study aimed to evaluate the association between time to luteolysis and parity in inseminated heifers and lactating Holstein cows diagnosed as non-pregnant by ultrasound at 32 d after timed artificial insemination (TAI). Ovulatory response between TAI a...