Knowledge of the endocrine changes during the estrous cycle of the sow and mare allows an understanding of the behavioral patterns during the various stages of the estrous cycle. With regression of the CL and decline of progesterone, estrogen from maturing Graafian follicles promotes the physical and behavioral expression patterns that are utilized to determine the proper timing of breeding. A complete understanding of characteristics for typical estrous behavior in the sow and mare is especially important when utilizing artificial insemination (AI). Utilization of ultrasonography has assisted in determining the time of ovulation in the mare. Research continues to explore methods to accurately predict or induce ovulation for optimal breeding.

100 Pregnancy Tips

100 Pregnancy Tips

Prior to planning pregnancy, you should learn more about the things involved in getting pregnant. It involves carrying a baby inside you for nine months, caring for a child for a number of years, and many more. Consider these things, so that you can properly assess if you are ready for pregnancy. Get all these very important tips about pregnancy that you need to know.

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