Ontario Mare Tests Positive for EHV-1
Edited Press Release
July 6, 2026
The mare lived in Wellington County and was euthanized.
The mare lived in Wellington County and was euthanized.
The horse lived in Seminole County and was euthanized.
Ten horses have tested positive for the disease.
Five horses at the private facility have been exposed.
Seven animals at the rescue facility in Parker County have been exposed.
The USDA APHIS has identified seven new equine premises affected by the VSV outbreak.
The horse lives in Calvert County, where 20 horses have been exposed.
The cases are located in Pierce County.
The horse lives in Crook County.
The horse is currently receiving veterinary care.
The horse lives at a boarding facility in Montgomery County.
Two additional horses at the private facility have been exposed.
The horse lives in Ward County.
The cases are located in Stanislaus County, where 11 horses remain exposed.
The legendary equine veterinarian and respected leader in the industry died June 14 at the age of 93.
The horse is quarantined and receiving veterinary care.
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