How to Predict When a Mare Will Foal
For some breeders, the waiting game starts as soon as the mare is inseminated. For others, it starts when she’s confirmed in foal. Still for others, it starts when she her belly grows large. Whenever that waiting game starts, all breeders want to know: When will my mare foal?
Igor Canisso, DVM, MSc, PhD, Dipl. ACT, Dipl. ECAR, previously of the University of Kentucky Gluck Equine Research Center and now an assistant professor of equine theriogenology at the University of Illinois College of Veterinary Medicine, offered some tips on how to predict when a mare will foal.
Most deliveries transpire smoothly with no ill effects. But when a problem does occur—even a simple issue such as an easily correctable dystocia (difficult birth)—things can go south rapidly, Canisso said. Additionally, “in certain situations, we don’t want let the foal suckle on its dam due to risk of developing a condition such as neonatal isoerythrolysis,” or acute hemolytic anemia caused by ingesting antibodies in the mare’s colostrum and milk that are directed against the neonate’s red blood cells, he said
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