AuthorLong, Marlena Madelyn
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PublisherThe University of Arizona.
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AbstractMy thesis project examined mare pregnancy and parturition. I studied the mare’s endocrine and estrous cycle, gestation and foaling process while examining natural equine behavior. It is important to understand mare reproductive physiology and the mare’s natural behaviors through pregnancy and parturition in order to maintain a high reproductive efficiency rate. This small pilot study examined a real life scenario of mares foaling at the University of Arizona Equine Center. This study was designed in order to quantify contributing factors (specifically the foaling environment) to retained placentas in mares. This project was initiated through conversations with the foaling manager. Since retained placentas can be life threatening to a mare if they are not treated, identifying contributing factors is valuable. During the 2017- 2018 foaling season at the UA Equine Center, the six pregnant mares were monitored throughout their gestation to foaling in hope of discovering possible causes of retained placentas. Unfortunately, none of the mares retained their placentas. Therefore, I was unable to answer my original research question regarding contributing factors to retained placentas. However, I have learned a tremendous amount about assisted reproductive technologies and the importance of good management in a breeding operation.
Degree ProgramHonors College