The estrous cycle represents a cyclic pattern of ovarian activity in which many physiological and morphological events occur to enable ovulation, receptivity, and to maintain the establishment of pregnancy. In this book, the authors present current research in the study of the physiology, endocrinology, role in breeding and reproductive management of the estrous cycle. Topics discussed include the importance of hormones and rearing environments corresponding to sex differences in physiology and behavior; cell renewal in hormone-responsive tissues during the estrous cycle; new improvements for estrous cycle synchronization in cattle; a picture of zona pellucida as seen by way of a transmission electron microscope; and a comparative study of different populations of spiny mice (Acomys) and their reproductive response to increased salinity, melatonin, and aldosterone treatments assessed by the estrous cycle.
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