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.
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.
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.
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.
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.
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.
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.
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.
An outbreak of equine herpes virus myeloencephalopathy, the neurological form of equine herpes virus (EHV-1), has been reported in eight western U.S. states, prompting the cancellation of 19 U.S. Equestrian Federation competitions.