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January 25, 2013

EHV-1 Breaks Out In New Jersey

Two New Jersey Horse farms, one in Gladstone and one in Pompton Plains, are under quarantine after a horse at the Gladstone farm tested positive for the neurologic form of equine herpesvirus-1.

The infected horse attended a horse show in Newburgh, N.Y., on Jan. 12. After he tested positive, the New Jersey Department of Agriculture traced his movements and found 11 horses in New Jersey had been exposed. None of the other horses have shown signs of the disease.

February 17, 2012

EHV-1 Quarantines Lifted

All equine herpes virus (EHV-1) quarantines have been lifted according to statements on the California Department of Food and Agriculture and North Carolina State University College of Veterinary Medicine websites.

February 1, 2012

Visual Bit Check Authorized In EHV-1 Affected Areas

The U.S. Equestrian Federation dressage department has re-authorized the use of alternative saddlery inspection procedures for dressage shows in California due to recent EHV-1 cases. Horse trials are not required to follow this procedure, but organizing committees and/or individuals are allowed to follow it.

The USEF recommends that ring stewards conduct a visual check of the horses, with no touching of the horse or any equipment.


January 23, 2012

New EHV-1 Cases Confirmed in California

According to the California Department of Food and Agriculture, two new cases of EHV-1 were confirmed on Jan. 20, bringing the total of affected animals on the Orange County property to 11. Results from a necropsy conducted on the horse euthanized on Jan. 18 are pending.

The first case was confirmed Jan. 11. Horses are under observation, and the facility is still under quarantine.

January 19, 2012

Four New EHV-1 Cases Confirmed In California

Four new cases of equine herpes virus (EHV-1) in California have been confirmed as of Jan. 19. Those new cases raise the total number of affected animals on the Orange County premises to nine. 

January 17, 2012

New EHV-1 Cases Confirmed in California

Two new cases of equine herpesvirus have been confirmed at an Orange County facility in California, bringing the total of affected animals in that barn to five. Testing on the horses confirmed them as positive for the neuropathic strain of EHV-1 on Jan. 13, after the animals presented signs of fever, according to a statement by the California Department of Food and Agriculture.

June 20, 2011

One In Washington, One In Canada Confirmed Positive for EHV-1

Although the outbreak of equine herpes virus cases in the western half of the country have slowed, another horse tested positive in Washington, and one in Alberta has also been confirmed. 

A horse admitted for colic was found positive for EHV-1 at the Washington State University College of Veterinary Medicine’s teaching hospital in Pullman, Wash. This was only two days after the equine treatment facility re-opened following a thorough cleaning and sanitation process to eliminate remnants of the virus. 

June 13, 2011

Two in Arizona, One In Montana Found EHV-1 Positive

Two more horses in Arizona and one in Montana have tested positive for equine herpes virus (EHV-1).

One of the horses in Arizona has not only tested positive for the virus, but also for the more deadly neurological variant, equine herpes virus myeloencephalopathy.  Local veterinarians are not releasing the locations of these cases, according to The Herald.

June 10, 2011

EHV-1 Epidemic Slowing Down

The latest situation report released by the U.S. Department of Agriculture indicated that the rate of confirmed cases of equine herpes virus myeloencephalopathy, the neurological form of equine herpes virus (EHV-1), is slowing.

May 24, 2011

How A Virus Has Changed One County

More than 13,000 horses reside in Sonoma County, Calif., making the equine industry there second only to its world-famous wine. But the Sonoma horse community is far from a united front against the outbreak of equine herpes virus (EHV-1).

Reactions run the gamut with few people sitting on the fence.

Two Sonoma County horses attended the National Cutting Horse Association Western National Championship, held April 28-May 8 in Ogden, Utah, which has been pinpointed as the source of the potentially lethal virus. These two horses haven’t yet shown symptoms of the disease.

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