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Models for prediction of days to first ovulation based on changes in endocrine and nonendocrine traits during the first two weeks postpartum in Holstein cows.

作者信息

Stevenson J S, Britt J H

出版信息

J Anim Sci. 1980 Jan;50(1):103-12. doi: 10.2527/jas1980.501103x.

DOI:10.2527/jas1980.501103x
PMID:7380745
Abstract
摘要

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