It’s been nearly a week since the first indications of a neurologic equine herpesvirus-1 (EHV-1) outbreak began to surface, and the outbreak shows no signs of slowing down. The New Mexico Racing Commission at its June 23 meeting commission unanimously approved emergency rule changes regarding penalties on the use of Clenbuterol and other Class A substances as defined by the Association of Racing Commissioners International (RCI) model rules. The infected horses attended an Oregon High School Equestrian Team meet at the Linn County Fairgrounds from April 16 through 19. Department of Agriculture officials are investigating whether any other horses were exposed to the infected horses. These and other disease outbreaks have cost the industry millions of dollars for the care of horses, implementation of biosecurity, and lost revenue in the form of cancelled or restricted commercial equine activities. Protecting the integrity of the Sunland Derby and the Oaks with regards to graded status and points earned for the Kentucky Derby and Oaks. Another highlight includes American Idol finalist Crystal Stark singing the National Anthem on Sunday.
In addition to the horses exposed at the training facility, the investigation has revealed only one other exposed horse that traveled out of state. Hensley recommends horse owners work closely with their veterinarian to determine the cause of their horse’s illness. Some of the infected horses were taken to the Oregon State University’s large animal hospital the College of Veterinary Medicine. Horse handlers who work with horses that also attended that event are advised to isolate those horses and check their temperatures twice a day. If a horse’s temperature exceeds 101.5 degrees, then the horse might be sick.