作者: H. Allen Garverick , Michael F. Smith
DOI: 10.1016/S0749-0720(15)30643-5
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摘要: Maximizing reproductive efficiency is of major economic importance to dairy and beef producers. The development new improved methods increasing performance depends on our understanding the physiologic endocrinologic mechanisms controlling process. This article reviews associated with puberty, estrous cycles, pregnancy, parturition, postpartum return estrus.