The ongoing Equine Respiratory Biosurveillance Program revealed new information on infectious respiratory disease threats, including EHV-1 and EHV-4, influenza, S. equi, equine rhinitis A/B viruses, and more. Here’s what you should know.
The 24-year-old pony mare began exhibiting clinical signs of disease on April 5 and was subsequently euthanized.
Two horses that attended the NRCHA Stallion Stakes, which took place March 30-April 6 in Las Vegas, tested positive for EHV-1. Additionally, an unrelated case was diagnosed in a Clark County horse with neurologic signs.
The positive horse attended a reining event in Ardmore, Oklahoma, the week of March 18. Since that competition, the horse has not traveled to any other event and is under the care of a Brazos County veterinary hospital.
Reported diseases included African horse sickness, atypical myopathy, contagious equine metritis, salmonellosis, and more.
In each county, a Quarter Horse tested positive for EIA in March, and both affected horses have been euthanized.
The Equine Disease Communication Center reported April 8 that four Quarter Horses from Polk County, Iowa, have tested positive for EIA.
The affected 15-year-old Quarter Horse mare is quarantined at her home facility in Johnson County along with 19 other horses.
A mare at a private facility aborted a pregnancy in late March. Tests confirmed the abortion was caused by EHV-1 infection, There is no evidence to suggest this case is connected to case diagnosed in Ada County earlier this month.
The affected 14-year-old Quarter Horse mare began exhibiting clinical signs on March 21. By April 1 she was described as clinically normal but remains quarantined.
The affected horse is under veterinary care at a private facility, which is now under quarantine.
Studies have shown that vaccines can be effective in reducing the risk of horses contracting both EEE and WNV when administered appropriately. Here’s why you should vaccinate your horses.
A 20-year-old Quarter Horse mare developed severe neurologic signs on March 25 and was euthanized. This case is not associated with the one reported in the same county on March 25.
Officials reported cases in Maricopa and Yavapai counties, in Arizona, and in Polk County, Iowa.
The affected 3-year-old Thoroughbred filly from Alameda County was euthanized due to the severity of her neurologic signs.
Dr. Angela Pelzel-McCluskey explains why certain populations, such as racing Quarter Horses, might have a higher risk for contracting equine infectious anemia.
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