Breeding and Reproduction

Horse breeding from planning through foal care

Champion Horse Cloned

Italian researchers announced on April 14 that the first clone of a sterile horse is healthy and thriving. The Arabian colt, a genetic copy of U.S. endurance rider Valerie Kanavy’s two-time World Champion horse Pieraz, proves that researchers ca

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Finding a Stallion Handler

We have expanded our semen collection/shipping facility, so we can now keep up to eight stallions in residence and accommodate local stallions trailering in just for semen collection as needed through the season. In the past we have depended upo

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Equine Herpesviruses 1&4

Herpesvirus is a particularly well-evolved virus that occurs in many mammals, such as humans, horses, cats, and cows. Each strain tends to be species-specific, meaning that viruses infecting one animal species do not usually infect another

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Cornell Research on Herpesvirus Vaccines

A presentation on recent research into herpesvirus type 1 (EHV-1) vaccines was given by Klaus Osterrieder, DVM, DVM Habilitation (a German equivalent to a PhD), associate professor of virology in the College of Veterinary Medicine at Cornell the

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Additional Horse Succumbs to EHV-1 in Maryland

There are no new clinical equine herpesvirus (EHV-1) cases among horses at the Columbia, Md. horse facility that has been handling an outbreak of the neurologic form of the virus since late March. In the past week, one horse that had been

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Training Resumes at Churchill

Horses stabled in a second Churchill Downs barn placed under quarantine by the Kentucky Department of Agriculture because of confirmed cases of equine herpes virus at the track will be allowed to return to limited training on May

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Churchill EHV-1 Update

Equine herpesvirus type-1 (EHV-1) has been confirmed as affecting horses at Churchill Downs. 


Three barns (6, 38, and 39) are currently quarantined on the backside of Churchill Downs.


To date, a total of five

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Update on Maryland EHV-1 Situation

As of May 20, there were no new equine herpesvirus (EVH-1) cases at the Columbia, Md. horse facility that has been handling a number of cases of the neurologic form of the virus since late March. Private veterinarians, Maryland state animal

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Umbilical Cord Length and Foal Health

A long umbilical cord increases the risks for abortions and stillbirths in horses. Complications include strangulation of the foal and excessive cord twisting, writes Karin Bosh in a recent edition of Equine Disease Quarterly, a newsletter

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Mothers to Be

While the socialization process of transforming fillies and mares from racetrack careers into broodmares might be easier than it is for stallions, biologically it is significantly more complex for distaffers to begin their reproductive

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Update on Churchill Downs Horses

Necropsies from the two horses affected by neurologic signs at Churchill Downs showed the horses had lesions consistent with equine herpesvirus myeloencephalopathy (damage to the brain and/or spinal cord). Three other horses are currently showin

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Three Barns Quarantined for EHV at Churchill Downs

The Blood-Horse and The Horse have learned that three barns at Churchill Downs have been put under quarantine because of a possible outbreak of an equine viral respiratory disease. Rusty Ford of the Kentucky State Veterinarian’s

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