11/19/2025
๐จ IMPORTANT HEALTH ALERT FOR ARIZONA HORSE OWNERS ๐จ
Desert Mountain Equine is closely monitoring reports of Equine Herpesvirus Type 1 (EHV-1) cases confirmed in Texas and linked to recent multi-state horse events. We want our clients and community to stay proactive and prepared.
Your horseโs safety is always our priority, and staying ahead of potential outbreaks makes a world of difference.
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๐ What is EHV-1 and why does it matter?
EHV-1 is a contagious virus that can cause:
โข Respiratory illness
โข Abortion in pregnant mares
โข Neurologic disease (Equine Herpes Myeloencephalopathy, EHM)
Neurologic cases can show: hind-end weakness, stumbling or incoordination, urine dribbling, and in severe cases, difficulty rising or inability to stand.
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What You Can Do Right Now to Protect Your Horses
1. Take temperatures twice daily.
A fever (101.5ยฐF / 38.6ยฐC or higher) is often the very first red flag.
2. Isolate any horse with fever, nasal discharge, cough, or neurologic signs.
Call Desert Mountain Equine immediately if you notice anything concerning.
3. Separate horses returning from events or travel for at least 14 days.
Extend to 21โ28 days if they were potentially exposed.
4. Strengthen barn biosecurity:
โข No nose-to-nose contact
โข Disinfect buckets, tack, trailers, and grooming equipment
โข Wash hands between horses
โข Use dedicated clothing/boots around sick, new, or recently traveled horses
5. Limit hauling or unnecessary travel during periods of heightened risk.
6. Stay current on vaccinations.
While vaccines cannot prevent the neurologic form, they do help reduce viral shedding and respiratory disease.
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๐ Signs to Watch Closely For
โข Fever
โข Nasal discharge or cough
โข Lethargy or decreased appetite
โข Hind-end weakness or stumbling
โข Tail tone changes or urine dribbling
โข Pregnant mares aborting
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If You Have an Upcoming Appointment at Desert Mountain Equine
Please reach out before your visit if your horse has:
โข Recently attended events
โข Traveled out of state
โข Been exposed to a horse with fever, respiratory signs, or confirmed EHV-1
This helps us plan safe biosecurity measures and protects every horse on the property.
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Your vigilance is powerful. Our team is here 24/7 to support you with guidance, monitoring, testing, and care should concerns arise.
Stay aware, stay prepared, and as always โ weโre here for you and your horses. ๐๐ด