Mare Care

Article

Inducing Ovulation With Recombinant Equine Luteinizing Hormone

July 29, 2007

Manipulating the estrous cycle in mares is a big part of many breeding operations, and medications play various roles in the process. There are several options for inducing ovulation, including human chorionic gonadotropin (hCG),... Read More

Article

Successful Breeding of Older Maiden Mares

July 24, 2007

Success when breeding older maiden mares depends on the management of several factors... Read More

Article

Uterine Inflammatory Response: A Review

July 16, 2007

One of the biggest challenges in successful equine reproduction is uterine inflammation. Increased inflammation can destroy spermatozoa before they have a chance to fertilize the egg, and it can create a hostile environment that kills an embryo.... Read More

Article

Breeding and Reproduction Tips

July 13, 2007

People are always looking for tips on how to do things better--particularly horse breeders looking for ways to get healthier foals. Benjamin Espy, DVM, Dipl. ACT, a practitioner from San Antonio, offered insight on many areas of equine reproduction... Read More

Article

Correcting Uterine Torsion: Low-Tech Option Can Be Used to

July 12, 2007

Uterine torsion can be corrected using ropes, a plank of wood, and a burly volunteer, according to Laura M. Riggs, DVM, a clinical instructor of large animal surgery at the University of Georgia's College of Veterinary Medicine.... Read More

Article

Surviving Uterine Torsion

July 06, 2007

All types of horses can get colic, but in the pregnant mare, the painful signs of colic might be caused by something other than a gastrointestinal problem. The mass of the foal and placenta causes a lot of crowding in the mare's body, and uterine... Read More

Article

Positive Reinforcement

July 01, 2007

Can you explain the concept of positive reinforcement training? What exactly does it mean? I was recently in New Zealand, where I was with a group that seems "converted" to what they call "all-positive training." It sounds like good old-fashioned... Read More

Article

Postpartum Care for Mares

June 21, 2007

Mares can rebreed fairly early after birthing compared to most animal species. For broodmares expected to produce a foal every year, the average time between pregnancies is 10 days to two weeks.

For this reason and others, postpartum care is... Read More

Download

Repro Updates

March 23, 2007

Equine reproduction was covered at the 2006 AAEP Convention including foaling, venereal disease, breeding, etc... Read More

Article

Maiden Mare

March 01, 2007

I have a maiden mare that has been bred twice. She bled both times. What would cause this? A tear?... Read More

Article

Reproduction Problems

March 01, 2007

Drug compounding, the ethics of treating cryptorchids, and sexually transmitted diseases were the hot topics discussed by equine practitioners at the Reproduction Forum.... Read More

Article

Breeding a Laminitic Mare?

February 01, 2007

Q: Is it safe to breed a mare that is prone to laminitis? A: There are several considerations that go into the decision to breed a mare that is prone to laminitis. Is the laminitis an occurrence that can usually be prevented by good dietary ... Read More

Article

Endometritis Diagnosis and Management

February 01, 2007

When a mare is bred by natural cover, the uterine lining, or endometrium, becomes inflamed. The stallion deposits semen in the uterus, as well as bacteria, bits of debris, and seminal fluid. The normally sterile uterus becomes irritated and... Read More

Article

From Breeding to Birth

February 01, 2007

Testing innovative techniques and brushing up on common procedures are the lifeblood of advancing any medical specialty, and the field of equine reproduction is no exception. Veterinarians are always looking for new ways to improve procedures they... Read More

Article

Immunotherapy for Broodmares

February 01, 2007

Endometritis has been the bane of many broodmares and their owners through the years. It frequently has been blamed for mares not becoming pregnant and, when they do conceive, for early embryonic death. The result has been serious economic losses... Read More

Article

Reducing Breeding-Induced Endometritis by Simplifying Management?

February 01, 2007

Modern 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 More

Article

Acupuncture Use in the Treatment of Reproductive Disorders

February 01, 2007

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... Read More

Article

Immunostimulant Helps Mares with Endometritis Maintain Pregnancy

February 01, 2007

"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 More

Article

New Twin Reduction Procedure

February 01, 2007

"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... Read More

Article

Postpartum Complications in the Mare

February 01, 2007

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... Read More

Article

Buserelin Use in the Anestrus Mare

February 01, 2007

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... Read More

Article

Induction of Lactation in the Non-Pregnant Mare

February 01, 2007

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... Read More

Article

Systemic Therapy in the High-Risk Mare

February 01, 2007

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 More

Article

Dopamine and Its Evil Twin Ergovaline

February 01, 2007

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... Read More

Article

Reproductive Field Surgery

February 01, 2007

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... Read More