EHV-1 Confirmed In Oregon Horse

by | 05.07.2015 | 5:07pm

Oregon State's Department of Agriculture has confirmed that a horse in Marion County has tested positive for the neurological form of Equine Herpes Virus-1 (EHV-1).

Upon exhibiting neurologic signs, which can include decreased coordination, hind limb weakness, leaning to maintain balance, lethargy, fever and nasal discharge, the horse was referred to Oregon State University's College of Veterinary Medicine's Large Animal Hospital.

EHV-1 is most commonly spread from direct horse-to-horse contact, but it can also be spread through contaminated equipment, clothes or hands. Though naturally occurring, the disease can cause abortion in mares, respiratory disease and even death.



All 20 horses housed at the stable where the affected horse resided are under quarantine, but there is no indication that the virus has spread outside the quarantine limits. The source of the infection is under investigation.

Though horses from the barn attended events at both the Linn Country Fairgrounds and the Oregon Horse Center, risk to other horses that attended these events is low. If horse owners are concerned, they are asked to contact their local veterinarian.



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