Mar 01, 2001 · Mother Nature clearly does not favor the birth of equine twins, as a significant number of twin embryos spontaneously abort within the first six weeks of . twin pregnancies seen at days 14, 18 and 33 If the twins are of a different size and touching, one may elect to re-evaluate the pregnancy status no later than day 28 post-ovulation. In the majority of such cases, there is a natural reduction of the pregnancy to a singleton 1.
Twins are avoidable and should not occur on well managed breeding farms. Clients understand this and are demanding the most sophisticated management programs available. Presented below are the management techniques in use at the Goulburn Valley Equine Hospital. Equine Adult ® horse feed may be fed as a complete feed because it is formulated with high-quality roughage.Good quality hay or pasture may be fed along with Purina® Equine Adult® horse feed. When fed with hay, reduce about 1.0 lb for each 1.5-2.0 lbs of hay offered.
Dr. O.J. Ginther, equine reproduction specialist at the University of Wisconsin, tells us that in a study of 102 draft mares giving birth 403 times, 13 births resulted in twins. Of those 13 births, both twins survived in only two cases, one twin survived in two other cases, and both twins were lost in the remaining 9 cases. Equine twins. Twins are very rare in horses, and live twins are extremely rare. According to Dr Reed Holyoak, staff theriogenologist at Oklahoma State University, the chances of an equine twin birth are one in ten thousand and of those, in over 80 % of the cases one or both is lost.
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