Breeding and Reproduction

Horse breeding from planning through foal care

Michigan Veterinarian Describes Neurologic Herpes Case

A 3-year-old Standardbred mare suffering from signs of neurologic disease tested positive for equine herpesvirus type-1 (EHV-1) and was euthanatized at the Allegan County Fairgrounds in Allegan, Mich., on Jan. 18. The horse had been shipped in

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Pimlico Quarantine Lifted

The Maryland Jockey Club (MJC) lifted its self-imposed quarantine on Pimlico Race Course this morning (Feb. 8), allowing horses from the Baltimore track to compete at Laurel Park in Laurel, Md., for the first time since Jan. 21. Twelve

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Second Neurologic Horse Euthanatized on Maryland Farm

A competitive event horse that began showing neurologic signs of equine herpesvirus type 1 (EHV-1) last Thursday (Feb. 2) was euthanatized on Sunday (Feb. 5) after a rapid decline in health. The mare is the second horse to be euthanatized on the

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Maryland Trainers Holding Their Breath

For more than a week, Maryland Jockey Club (MJC) chief operating officer Lou Raffetto said he could “see the light at the end of the tunnel” regarding the ongoing battle with equine herpesvirus.


There was some light Feb. 3, when Laurel

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MRLS Update

“We can prevent mare reproductive loss syndrome (MRLS) as we experienced in 2001 and 2002 by keeping horses away from caterpillars,” said Bruce Webb, PhD, a University of Kentucky (UK) researcher who has been studying the condition that

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Semen Collecting from a Blind Stallion

We have a Standardbred stallion that had a minor neurologic episode a few months ago that was never really figured out. He has recovered slowly back to normal, except that he has gone completely blind. He does well at pasture and you would hardl

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Dealing with Dummy Foals

At first, everything seems fine: Your foal was born without incident and started nursing as he should. But two days later, the baby quit suckling and began acting strangely–wandering around and pressing his head against the stall wall. Your

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Growing Problems

Horse breeders have long known that problems can develop in the bones of young horses as they grow. The term developmental orthopedic disease (DOD) was coined in 1986 to encompass all orthopedic problems seen in the growing foal and has become

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Genome Sequencing

In 1991, Eliane Marti, Dr. Med. Vet., published a study as a graduate student in Switzerland, showing that chronic hypersensitivity bronchitis (a.k.a. heaves) had a strong hereditary component among Swiss horses. She meticulously defined the

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Cornell Researcher Warns About Herpesvirus

Klaus Osterrieder, DVM, DVM Habilitation (German equivalent to a PhD), an associate professor of virology at Cornell University in Ithaca, N.Y., studies equine herpesvirus type-1 (EHV-1). He shared his views with The Horse on recent

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Can Immunomodulators Help Herpesvirus Victims?

Human and animal scientists have been researching ways to stimulate the immune system in order to prevent or mitigate disease, especially just prior to or during stressful events. Options include vaccination, antimicrobial therapy, and

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Pregnant Mares

The mare from which you have always wanted to raise a foal has just been pronounced pregnant by your veterinarian. Now you just have to wait about 11 months and see what she produces, right? Not so fast! There is much more involved than just

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Five Horses Test Positive for Equine Herpesvirus

As 2005 neared its end, equine herpesvirus type-1 (EHV-1) killed two horses that were stabled at Turfway Park, a Northern Kentucky racetrack. The victims–one Thoroughbred in training and a lead pony–were euthanatized after they developed the

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