The Pennsylvania Department of Agriculture was notified on Jan. 24 that a Standardbred horse at The Meadows Racetrack in Washington, Pa. had shown clinical signs consistent with Equine Herpes Myeloencephalitis (EHM.), according to the Equine Disease Communications Center.
The horse has tested positive for EHV-1 and is currently under medical treatment. Two barns at The Meadows are currently under quarantine due to a horse that moved earlier from the original exposed barn. This horse that moved to the second is not showing clinical signs if the disease. A daily monitoring period for clinical signs in the remaining exposed, asymptomatic horses is ongoing. Updates will be posted as they become available.
Meanwhile, on Jan. 23, the Maryland Department of Agriculture's Animal Health Program confirmed that the retest for EVH-1 by nasal swab and blood, which was previously positive in a horse in Barn 20 at the Laurel Park Racetrack, is now negative for EHV-1.
Since this horse is no longer considered contagious and over the last 14 days there has been no history of febrile horses with upper respiratory disease in Barn 20, the Investigational Hold Order on Barn 20 was released on Jan. 24.
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