Several conditions can threaten pregnancy in the late gestational mare. C.S. Bailey, DVM, who is completing a theriogenology residency at the University of Florida and Hagyard Equine Medical Institute in Lexington, Ky., said some of these
Read MoreIn the horse, the hormone dopamine exerts a number of effects through its actions on the pituitary gland. Both dopamine and ergovaline, a dopaminergic agonist (a drug that stimulates dopamine receptors), can significantly impact the mare’s
Read MoreCastration and Caslick’s procedures generally come to mind at the mention of reproductive surgeries that can be performed in the field, but Dwayne Rodgerson, DVM, MS, Dipl. ACVS, of Hagyard Equine Medical Institute, says there are plenty of othe
Read MoreMany hormone and drug treatments could have a negative impact on the endocrine system, so it’s best to avoid using them altogether in the breeding stallion. However, Sue M. McDonnell, PhD, Certified AAB, of the University of Pennsylvania’s School
Read MoreWhen a veterinarian is considering a stallion’s suitability as a breeding animal, the horse’s history, current physical condition, and libido are just as important as his semen quality.
Read MoreName a part of your horse you’d like to enhance–anything from his coat or hooves to his stamina–and there’s likely a supplement for it. Marketed alongside the products that improve joint function and breathing ability, there are supplements
Read MoreModern breeding management and assisted reproduction might actually exacerbate the issue of mating-induced endometritis, according to Mats Troedsson, DVM, PhD, Dipl. ACT, a professor of equine theriogenology in the Department of Large Animal Clinical
Read MoreAcupuncture can be used in conjunction with Western medicine prior to breeding to treat anestrus (period of sexual inactivity), excessive behavioral estrus, retained corpus luteum (an ovarian follicle after discharge of the egg that secretes
Read MoreCareful management of pregnant mares and preparation for parturition is essential to help prevent cases of equine abortion–losses of pregnancy between 150-300 days of gestation. “The incidence of abortion in mares ranges from 5-15%, and this ha
Read More“Post-breeding endometritis is a major cause of subfertility, affecting approximately 15% of mares,” said John Steiner, DVM, Dipl. ACT, of Hagyard Equine Medical Institute. “We know it’s a big problem, so we’ve tried an adjunct treatment to see
Read MoreThe use of the Stone Henderson Equine Castration Instrument, which allows veterinarians to geld colts using an attachment on a battery-powered drill, has gained speed since its debut at the 2005 American Association of Equine Practitioners’
Read More“We know that twinning has a profound impact on the mare,” said Karen Wolfsdorf, DVM, Dipl. ACT, of Hagyard Equine Medical Institute. “The presence of twins post-fixation (after the embryonic vesicle becomes stationary on about the 16th day after
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