02/03/2026
🚨EHV-1 (Neurologic Form / EHM) — State-Confirmed Update 🚨
The Arizona Department of Agriculture has confirmed two cases of neurologic Equine Herpesvirus-1 (EHM) involving horses from Pinal County. One of the affected horses was humanely euthanized due to progressive neurologic disease.
Several Arizona events between January 18–27, 2026 have been identified where potential exposure may have occurred.
If your horse attended any of the following events, please take precautions immediately:
• Jan 18 & Jan 24 – Horseshoe Park Extreme Barrel Race
• Jan 20 – ICE Wittmann Breakaway Roping
• Jan 21 – Roper Nation Breakaway Roping
• Jan 21 – John Volken Academy Ranch
• Jan 23 & Jan 27 – TACC Thunderbird Farms Arena
What horse owners should do right now
✅ Take re**al temperatures twice daily and log them
A fever is often the first sign of EHV-1.
Watch closely for:
• Fever (over 101.5°F)
• Nasal discharge or cough
• Lethargy or decreased appetite
• Wobbly gait, weakness, difficulty standing
• Urine dribbling or difficulty urinating
⚠️ Voluntary self-quarantine
If your horse attended any of the events listed above, avoid hauling, shows, lessons, or shared facilities for the next 14 -21 days, as recommended by the State Veterinarian.
⚠️ Increase biosecurity
• Do not share buckets, tack, or grooming tools
• Wash hands and change clothes between horses
• Disinfect stalls, trailers, and equipment
📞 Contact your veterinarian immediately
If your horse develops a fever or neurologic signs, early intervention and testing may be recommended.
We understand this is concerning. Prompt monitoring, biosecurity, and limiting movement are the best ways to protect your horse and the wider equine community.
🐴 Desert Mountain Equine
📞 480-294-7403