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Characterization of hormonal patterns in the beef cow during postpartum anestrus

Journal of Animal Science 56(2): 445-453

Characterization of hormonal patterns in the beef cow during postpartum anestrus

Levels of LH, prolactin, progesterone, cortisol, oestrone and oestradiol-17beta were determined in blood samples, collected at 6-h intervals, beginning 2 wk before expected parturition and continuing until 10 days after 1st postpartum oestrus, from 6 crossbred, suckled beef cows before and after their 2nd calving. Samples were also collected at 15-min intervals for 4 h once weekly. The postpartum interval averaged 48 plus or minus 19 days.

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Accession: 001053401

PMID: 6841292

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