Veterinarians used fetal ECG to detect two fetal heartbeats simultaneously in a mare suspected of carrying twins at eight months of gestation.
The first step toward preventing pregnancy loss in horses is understanding why it happens in the first place.
Because the mare’s uterus is not designed to support two pregnancies, veterinarians have developed methods for detecting and reducing twins.
Post-mortem exams are crucial to determine what caused the abortion. Here’s what your veterinarian will look for.
Jennifer Linton, VMD, will describe what to expect when your horse is expecting on April 5 at the New Bolton Center.
Researchers recently evaluated multiple ovulations and how vets can detect them and, thus, prevent twin pregnancies.
If research shows that Thoroughbreds and Warmbloods are more likely to have twin pregnancies, could this be in relation to the number of mares that receive injections to encourage ovulation?
Dr. Pat McCue describes the reproduction studies from the past year he deemed most important and useful.
Veterinarians might be able to prevent abortions in some pregnant mares that show premature mammary development, Dietrich H. Volkmann, BVSc, MMedVet (Gyn), Dipl. ACT, told equine veterinarians at the 2010 Western Veterinary Conference, held Feb
Tissues from both the recipient and donor mare, as well as from the two stillborn foals, were submitted for microsatellite analysis. The analysis verified that the foals had identical genotypes and resulted from the transferred embryo.
Multiple pregnancies are an increasing problem in breeding management. They are usually multizygotic (originating from several ova, i.e., the result of multiple
Traditionally, one of the stronger parts of each AAEP convention program is the time devoted to reproduction. The convention held in Orlando was no exception. It began with an in-depth session titled “Perinatology–End of Pregnancy Through
When a mare aborts a foal, it can be a traumatic event for both horse and owner. While emotionally and financially expensive, abortion is not terribly uncommon in the equine breeding business. As many as 30% of broodmares fail to produce a
“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
People new to the breeding and raising of horses probably have never experienced the challenge of raising an orphan foal or feeding a foal whose mother is producing little or no milk.
As has been discussed in earlier issues of The Horse, twinning is highly undesirable in the mare. The advent of ultrasound has allowed earlier detection of multiple pregnancies from around Days 14 to 16 post-breeding, and the majority of
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