A Pennsylvania facility, Mile View Farm in Bucks County, is under quarantine after four horses there were euthanized due to the neurological form of equine herpes virus (EHV-1). The New Jersey Department of Agriculture announced the first three cases and the quarantine Dec. 24. On Dec.
Three horses have now tested positive for equine herpesvirus-1 in Michigan, and one unrelated Pennsylvania horse tested positive for EHV-1 as well.
On March 19, the Michigan Department of Agriculture was notified of a Livingston County horse testing positive for EHV-1. That horse was euthanized.
As of April 2, two additional Michigan horses have tested positive for EHV-1. Both horses developed fevers and are under veterinary care. One of these additional positive horses is from the same Livingston County stable in which the index horse resided.
The Virginia Department of Agriculture and Consumer Services has confirmed two cases of equine herpes virus, EHV-1. The first horse started showing neurologic symptoms on Jan. 31 and was confirmed positive for EHV-1 on Feb. 5.
The 14-year-old gelding is located in western Albemarle County, near Charlottesville, and has been in quarantine since its diagnosis, along with the other 14 horses located at its boarding barn. No other horses related to that case have shown symptoms of EHV-1, and the affected horse is currently stable and improving.
Officials from the Massachusetts Department of Agricultural Resources Division of Animal Health have investigated two horses from the same barn in Southeastern Massachusetts displaying neurological symptoms and determined they do not have the neurologic equine herpesvirus.
The first horse was diagnosed with equine protozoal myelitis in mid-April and was euthanized after its condition deteriorated. The investigation into the second horse’s neurological symptoms has been inconclusive, but it doesn’t appear to be caused by EHV-1; that horse remains under veterinary care.
A stable in Wake County, N.C., has reported cases of the neurological form of the equine herpes virus, EHV-1. The North Carolina Department Of Agriculture And Consumer Services released an update Dec. 30 stating that the facility is quarantined.
On July 5, the California Department of Food and Agriculture confirmed that after displaying severe neurological signs, a Quarter Horse mare in Contra Costa County tested positive for the neurological form of the equine herpes virus.
Wellington Equestrian Partners and Tequestrian Farms are pleased to announce a joint partnership to donate $100,000 for a research grant to the Gluck Equine Research Center at the University of Kentucky. The money will be earmarked toward research of the Equine Herpes Virus-1 neurologic disease. A special veterinary committee is planned, and WEP and Tequestrian will also lead in gathering information for established protocols for owners, treating veterinarians, and horse show managers to prevent and neutralize EHV-1 at equestrian events.
March 12 - An update released by the Florida Department of Agriculture on March 11 revealed that as a result of extensive testing with no new positive results for Equine Herpes Virus-1, state officials are preparing to release the quarantine on the HITS Post Time Farm showgrounds in Ocala.