Latest News – The Horse

California Sees First Case of Equine West Nile Virus in 2025
The Quarter Horse mare in Santa Barbara County is currently alive and recovering.

Horse Tests Positive for WNV in Jessamine County, Kentucky
The yearling Thoroughbred colt marks the fifth confirmed case of equine West Nile virus in Kentucky this year.

Utah Filly Euthanized After Contracting WNV
The unvaccinated 2-year-old Arabian mare in Utah County marks the state’s ninth equine WNV case this year.

Ontario Quarter Horse Tests Positive for Strangles
The District of Rainy River farm is under voluntary quarantine, and the mare is recovering.

2 Equine WNV Cases Confirmed in Ontario
The horses resided in the District of Algoma and Grey County.

Improving Equine Joint Health Through Nutrition
Two experts explain how you can improve your horse’s joint health through nutrition and how to choose high-quality joint supplements.

Unvaccinated Maryland Gelding Contracts WNV
The Standardbred lives in Carroll County and tested positive for West Nile virus.

Utah Gelding Tests Positive for WNV
The horse lives in Cache County and is recovering.

2 Virginia Horses Test Positive for Strangles
The horses live in Clarke County.

Exercise-Associated Sudden Death in Horses
One expert explains what researchers know about EASD in horses and advancements they hope to make in prevention.

The Current Status of Equine Gastric Ulcer Syndrome
Five veterinary experts discuss the latest in diagnosing, treating, and preventing equine gastric ulcers in this roundtable. Sponsored by Boehringer Ingelheim.

Iowa Quarter Horse Tests Positive for WNV
The horse lives in Polk County.

2 California Horses Positive for EHV
The horses live in Sacramento County and recently developed the respiratory form of equine herpesvirus.

Wyoming Horse Tests Positive for WNV
The case is located in Johnson County.

4 Utah Horses Test Positive for WNV
Four horses in Utah, located in Utah, Weber, and Cache counties, have tested positive for West Nile virus.

Unvaccinated Indiana Mare Tests Positive for WNV
The mare lived in Allen County and was euthanized.



