Article
Manual Reduction of Twins in Mares (AAEP 2010)
January 30, 2011
While a mare with twins by her side is rare and sometimes celebrated, twinning in horses is actually dangerous for the mare, especially during delivery. More often than not, one of the twins, generally the smaller and weaker of the two, will die ... Read More
Article
Hormone Therapy Might Prevent Equine Abortion
March 17, 2010
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... Read More
Article
DNA Testing for Twins (AAEP 2008)
March 03, 2009
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.... Read More
Article
Multiple Pregnancies: Double the Trouble
July 01, 2008
The causes and management of equine multiple pregnancies. Multiple pregnancies are an increasing problem in breeding management. They are usually multizygotic (originating from several ova, i.e., the result of multiple... Read More
Article
Perinatology: End of Pregnancy Through Beginning of Life
May 25, 2008
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... Read More
Article
Laboratory Testing Can Help Pinpoint Cause of Abortion
February 05, 2008
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... 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
Orphans and Twins in Horses
July 24, 2006
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. The solutions to both problems can be time consuming and... Read More
Article
Management of Twins: Have We a New Option?
October 15, 2001
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... Read More
Article
The Trouble With Twins
March 01, 2001
Mother Nature clearly does not favor the birth of equine twins, as a significant number of twin embryos spontaneously abort within the first six weeks of pregnancy. Of the twin conceptions present after 40 days of pregnancy, about 80% will... Read More
Article
Twin Lipizzans Born At Tempel Farms
August 07, 1998
The rarest of the rare has happened at Tempel Farms, home of the prized Tempel Lipizzan stallions. Twin Lipizzan foals have been born—an improbable occurrence that takes place in fewer than one percent of all horse births, and is made even more... Read More
Related Multimedia & Downloads
Find more related content in:
Blog: Smart Horse Keeping
- Rain Gardens on Horse Properties
- Spring Pasture Management Tips
- Looking for More Manure Disposal Options?
- Give Away Your Manure or Compost
- Coolers are Basic Winter Horse Gear
- Winter Paddock Footing for Horse Properties
- Horse Keeping Observations from Australia
- Build a Simple Water Storage Container for Your Horse Trailer
- Easy Bleachers for Your Arena










