EHV-1 Confirmed in Horse at National Western Stock Show Rodeo
The Colorado Department of Agriculture is investigating one confirmed case of equine herpesvirus-1 (EHV-1) within the state. A quarantine has been placed on seven horses, including the index case, and a hold order has been placed on six additional horses who might have had direct contact.
The affected horse, a 6-year-old gelding from Texas, is part of a team of Quarter Horses used during the National Western Stock Show (NWSS) rodeo (which took place Jan. 12-27 in Denver) to pull a stagecoach during rodeo performances. The horse began showing clinical signs of disease Jan. 27 and was transported to the Colorado State University Veterinary Teaching Hospital for diagnosis and treatment. The EHV-1 diagnosis was confirmed Jan. 28.
The affected horse is isolated and in stable condition. The other horses from the team are under quarantine at the NWSS coliseum and hold orders have been placed on other horses who might have had direct contact.
"The department is taking quick and appropriate actions to investigate, control, and mitigate this disease," said Colorado State Veterinarian Keith Roehr, DVM. "We will continue to trace the potential contacts of this horse in order to protect Colorado’s equine industry
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