Latest News – The Horse
Breeding a Laminitic Mare?
Is it safe to breed a mare that is prone to laminitis?
Farrier Hygiene
To prevent white line disease from spreading, should I purchase my own farrier tools for the farrier to use?
Abandoned Horses
Along the scenic route to Prineville, Ore., you’ll notice a sign: Redmond Tallow Company. As if the words don’t say it all, a loitering buzzard evokes pensive consideration of the cycle of life. I’ve never had more than two thoughts about Redmond
Equine Viral Arteritis in 2006
Last year was marked by the re-emergence of equine viral arteritis (EVA) on a widespread scale in the United States, with evidence of infection confirmed in 10 states. The occurrence was significant in that it represented the first major incursion
Reproductive Field Surgery
Castration 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
Dopamine and Its Evil Twin Ergovaline
In 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
Systemic Therapy in the High-Risk Mare
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
Induction of Lactation in the Non-Pregnant Mare
Poor milk production or the loss of a mare in the peripartum period (occurring in the last month of gestation or the first few months after delivery) can jeopardize the health and viability of the foal. To provide the foal with an alternate
Fetal Sex Determination in the Mare Between 90 and 150 Days
Accurate determination of fetal sex can have a profound impact on the broodmare management practices of horse owners and breeders. While the gender of a foal influences its value, it also influences the value of the gravid (pregnant) mare.
Buserelin Use in the Anestrus Mare
A compounded drug has shown considerable promise in treating anestrus mares–those that are not cycling and thus are difficult to impregnate. Walter Zent, DVM, of Hagyard Equine Medical Institute, described his experience using Buserelin in mare
Postpartum Complications in the Mare
If your mare experiences complications following foaling, it’s important to note when they arise, said Walter Zent, DVM, a veterinarian at Hagyard Equine Medical Institute in Lexington, Ky., in his presentation at the 2006 Hagyard Bluegrass
New Twin Reduction Procedure
“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
Another Approach to Equine Castration
The 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’
Immunostimulant Helps Mares with Endometritis Maintain Pregnancy
“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
Diagnosis, Management, and Diagnostic Investigation of Abortion
Careful 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
Acupuncture Use in the Treatment of Reproductive Disorders
Acupuncture 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
