CYPRESS, CA--FEBRUARY 22, 2018--According to an article by Jeremy Balan published today on bloodhorse.com a horse used to pony Quarter Horses at Los Alamitos Race Course during the races was euthanized and later tested positive for a "wild-type" strain of equine herpesvirus type 1.

A report by California Horse Racing Board equine medical director Rick Arthur stated the deceased horse was last used to pony horses on February 11. He was euthanized February 18 and the barn where the animal was housed is under quarantine.

The six Quarter Horses he ponied during races going back to February 7 are being closely monitored.

According to Arthur there have not been any other confirmed cases of EHV-1 at Los Alamitos.

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