Breeding and Reproduction

Horse breeding from planning through foal care

Tiny Shift in Herpesvirus Causes Neurologic Form

Sometimes a small change can make a big difference. Such is the case with equine herpesvirus, according to researchers with Cornell’s College of Veterinary Medicine. When it comes to the virus, a change in just one amino acid can make

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Churchill Downs Herpesvirus Quarantine Lifted

Kentucky State Veterinarian Robert C. Stout, DVM, has lifted the quarantine on a barn at Churchill Downs after test results confirmed that the remaining horses in the barn were not infected with equine herpesvirus-1 (EHV-1).

Stout imposed

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Herpesvirus Confirmed in North Dakota

A North Dakota State University Extension Service horse expert says several cases of equine herpesvirus (EHV) have been reported in North Dakota and surrounding states.


EHV leads to infections, and it’s common throughout the United

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Freezing Embryos

With breed registries admitting more than one foal per mare per year, the use of frozen embryos is becoming more mainstream.

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Stopping the Flow

I have a mare that is still lactating heavily months after weaning her foal. What is the cause of this?

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Anabolic Steroid Effects

A colleague, Larry Soma, VMD, is an anesthesiologist/pharmacologist who conducts research for the Thoroughbred and Standardbred horse racing commissions in Pennsylvania. Basically, his lab develops and validates testing methods for detection of

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The Business of Breeding

Breeding in the horse world breaks down into a few categories: field breeding (where the horses just do what comes naturally) live cover in a breeding shed, and artificial insemination. The tools of the trade range from very basic to high-tech

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Half of Churchill Downs Herpesvirus Quarantine Lifted

The Kentucky Department of Agriculture has lifted a quarantine order for half of Barn 47 at Churchill Downs, which was placed under quarantine Oct. 26 after a horse was found to be infected with equine herpesvirus-1 (EHV-1).

Sixteen horses

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Herpesvirus-1 Positive Horse in Kentucky

One barn containing 19 horses at Churchill Downs Thoroughbred racetrack in Louisville, Ky., remains under quarantine today (Oct. 30) by the Kentucky state veterinarian’s office due to a horse testing positive for equine herpesvirus-1 (EHV-1) and

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Churchill Downs Officials Hope EHV-1 Case Isolated

Officials at Churchill Downs say a case of equine herpesvirus (EHV-1) confirmed in one horse should have limited impact on the fall meet that begins Sunday, as long as the disease is contained.


The Kentucky Department of Agriculture on

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