Horse Health

Horse health news and Thoroughbred health care information.

Major Breakthrough Made in EPM Research

Researchers at the U.S. Department of Agriculture and Ohio State University have made a major breakthrough in equine protozoal myeloencephalitis (EPM), finding that the raccoon can serve as an intermediate host for Sarcocystis neurona, the single-celled protozoan parasite that causes the neurological disease.

West Nile Virus Suspected at Churchill Downs

The Kentucky State Veterinarian's office is investigating an unconfirmed case of West Nile virus at Churchill Downs. According to Churchill Downs, the horse that is being investigated as the possible victim of West Nile virus was Rocket Express, a 2-year-old with one career victory.

Horses Becoming Wimps?

Many Thoroughbred racehorses aren't as tough today as their yesteryear counterparts, at least in the opinion of Bill Moyer, DVM, a professor and department head at Texas A&M University's College of Veterinary Medicine. Moyer was one of several speakers during a therapeutic medication seminar for veterinarians at Churchill Downs on Oct. 31. The program...

EIPH: Exercise-Induced Pulmonary Hemorrhage

Perhaps the most widely recognized of all disorders affecting racehorses is "bleeding," or exercise-induced pulmonary hemorrhage (EIPH). We now know that most racehorses bleed at some time during their careers. In fact, many horses might bleed every time they undertake intense exercise, such as breezing and racing. We also know that bleeding can occur ...

Endoscopic Exams Indicate Racing Potential

Recent research indicates that endoscopic examination of yearlings can help determine their eventual racing success. However, research also showed certain abnormalities that in the past were considered indicators of poor performance were not predictive of actual athletic performance in the adult horse.

Unbridled: 'A Wonderful Privilege to Be Around'

Dr. Douglar Byars, respected surgeon at the Hagyard-Davidson-McGee equine hospital near Lexington, spoke with The Blood-Horse about the unsuccessful efforts to save Claiborne Farm stallion Unbridled, calling the 1990 Breeders' Cup Classic (gr. I) and Kentucky Derby (gr. I) winner "the most extraordinary, patient horse I've ever been around."

MRLS Losses, Executive Summary

The Department of Equine Business at the University of Louisville was commissioned by the Commonwealth of Kentucky, Office of the Governor, to quantify the economic loss to the Kentucky equine breeding industry resulting from the loss of a large number of foals to Mare Reproductive Loss Syndrome (MRLS) in 2001. Following is a summary of the detailed analysis contained in that study.

MRLS Economic Impact: $336-Million

More than 30% of the anticipated 2002 Thoroughbred foal crop in Kentucky has been wiped out due to mare reproductive loss syndrome, and the economic cost to the state from losses suffered by all horse breeds will total nearly $336 million, according to a study commissioned by Gov. Paul Patton and conducted by the University of Louisville's Department of Equine Business.

Venereal Disease in Horses

Venereal diseases are those that can be sexually transmitted. "Vener" is the Latin term for sexual intercourse and, hence, the origin of the term "venereal." The outcome of sexually transmitted diseases in horses can vary depending on the gender of the animal exposed to infection and the causal agent. Infections can give rise to infert...

Derby Decisions

Every competitive horse has normal wear and tear, just like human athletes. Horses on the road to the Kentucky Derby in Thoroughbred racing receive more media attention than probably any other equine athletes. So, when a spring season arrives, and when there is attrition in the upper ranks of 3-year-olds, it is seen and commented on by millions of peop...

Oxytocin and Maternal Recognition of Pregnancy

A research report from the laboratory at the Gluck Equine Research Center at the University of Kentucky noted that it is well-established that early conceptus loss (the embryo and its associated extra-embryonic membranes) is a major source of reproductive inefficiency in domestic animals. Early preg...

Dual Hemisphere Breeding

Thoroughbred breeding stallions truly have joined the jet set. These four-legged  Romeos are flying from one part of the world to another these days as they perform breeding duties on both sides of the equator. Hundreds of stallions from other breeds also have joined the jet set, but in less dramatic fashion. Because artificial in...

Research Expands on Mare Reproductive Loss Syndrome

The Grayson-Jockey Club Research Foundation and the Commonwealth of Kentucky held a press conference late Sept. 20 to announce that they are splitting the cost of bringing in expert help to look at all of the health problems seen in Kentucky this spring. A team headed by Dr. Noah Cohen of Texas A&M University will look at not only records of aborted fetuses and dead foals sent to the Kentucky Livestock Disease Diagnostic Center, but also at records from the two large referral equine practices in Central Kentucky and private practitioners.

Recommendations Forthcoming From Mare Reproductive Loss Survey

The survey of 133 Central Kentucky farms was designed to identify risk factors, not causes, of mare reproductive loss syndrome, said Dr. Roberta Dwyer of the University of Kentucky Gluck Equine Research Center. As a result of the survey, a list of recommendations will be put forth in the next four to six weeks to help farm managers avoid risk factors in the future.

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