The EHM-positive horse began showing clinical signs on May 11, was euthanized the next day due to poor prognosis, and was confirmed positive May 16.
Prior to EHM confirmation, the affected horse visited a training facility in Liberty Hill and attended barrel races at the Killeen Rodeo Outdoor Arena and the Williamson County Expo Center,
West Nile virus and Eastern equine encephalitis have high mortality rates in exposed, unvaccinated horses, South Carolina animal health officials said.
A Standardbred horse at a private facility developed neurologic signs on May 10 and was subsequently euthanized.
Switzerland’s internet-based voluntary system is a way for veterinarians to report equine infections, such as influenza and herpesvirus, even if they aren’t required to by law.
The horse first showed mild neurologic signs on May 10 and was admitted directly into isolation at the Marion DuPont Scott Equine Medical Center, in Leesburg, Virginia, on May 16.
Prior to confirmation, the newest EHM-positive horse attended a barrel racing event at the Oklahoma City Fair Grounds, April 25-30.
An effective isolation area can help contain an infectious disease outbreak. Here’s what you need to know.
The EHV-1-positive horse has been placed in isolation and the facility has been quarantined.
The affected 19-year-old Quarter Horse mare belongs to a college rodeo participant and recently traveled to events in the Great Plains Region.
The horse diagnosed with EHM attended high school rodeos in Laramie on April 7 and 8 and Rock Springs on April 14 and 15.
The horse was euthanized due to a suspected case of rabies but was later confirmed positive for equine herpesvirus myeloencephalopathy (EHM), the neurologic form of EHV-1.
Most EIA testing is done on a voluntary basis–owners aren’t necessarily required to test every horse at set intervals–making it very difficult to know the disease’s true prevalence, one researcher says.
A barrel racing horse developed rapidly progressive signs of EHM (the neuorlogic form of EHV-1) on April 19 and was euthanized the same day.
Veterinary treatments for horses can be costly, so researchers evaluated the value an owner places on a horse’s daily use and how much owners are willingness to pay for various therapeutics.
The affected horse from Weld County is undergoing veterinary treatment and recovering.
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