Horses in one barn at Prairie Meadows in Iowa have been quarantined due to a possible case of equine herpesvirus.
Horses stabled in the third Churchill Downs barn placed under quarantine by the Kentucky Department of Agriculture because of confirmed cases of equine herpes virus have been cleared to return to the track for limited training.
Necropsies from the two horses affected by neurologic signs at Churchill Downs showed the horses had lesions consistent with equine herpesvirus myeloencephalopathy (damage to the brain and/or spinal cord). Three other horses are currently showing neurologic signs.
A private horse farm in Montgomery County, Maryland, has been under a voluntary quarantine since March 25 while veterinarians investigate the cause of illness in 12 horses, four of which have been euthanized, the Maryland Department of Agriculture said May 25.
The Kentucky Department of Agriculture will release the quarantine placed on Barn 15 at Turfway Park as of 12:01 a.m. Saturday (April 5). The 80-horse barn was placed in quarantine after three horses tested positive for equine herpesvirus type 1 (EHV-1) on March 18.
Due to the recent detection of equine herpesvirus in three horses at Turfway Park, nearby River Downs has implemented procedures that must be followed before horsemen can ship in to their stalls or use the track for training purposes.
Equine herpesvirus type 1 (EHV-1) has been confirmed as the cause of illness in three Thoroughbreds that were stabled in a training barn at Turfway Park in Florence, Ky. Tuesday's announcement follows treatment and elimination of several EHV-1 outbreaks in Ohio and Pennsylvania since January.
Three horses stabled at Turfway Park have been diagnosed with equine herpesvirus type 1 (EHV-1). Verification of the virus was completed over the weekend at the northern Kentucky track by researchers at the Maxwell H. Gluck Equine Research Center at the University of Kentucky in Lexington.
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