Horse owners on alert about outbreak of Equine Herpes Virus-1 (EHV-1)

May 19, 2011

CORVALLIS, Ore. — A recent outbreak of Equine Herpes (Myeloencephalopathy) Virus-1 (EHV-1) has been reported among horses that attended the National Cutting Horse Association’s Western National Championship in Ogden, Utah, from April 30 through May 8.

There has been one confirmed case in Clackamas County. Get more information.

Dr. John Schlipf, assistant professor of large animal internal medicine at Oregon State University, will present an informational meeting that is open to the public on Thursday, May 19, from 6 to 7 p.m. at the OSU College of Veterinary Medicine in 102 Magruder Hall.

The State Veterinarian has a website with more information about this disease, including symptoms and confirmed cases.

If your horse shows any symptoms of the disease, please contact your local veterinarian immediately. Symptoms include the common symptoms of rhino (nasal discharge, fever, abortion in pregnant mares) with neurological symptoms (incoordination, difficulty urinating, weak tail).

For detailed information about the disease and its signs, read this publication (PDF) from APHIS.

Author: Judy Scott
Source: Wendy Hein, 503-650-3122