EHM in Texas: Case Confirmed in Glasscock County

The positive Quarter Horse mare attended events at the Brazos County Expo Center and the Taylor County Expo Center in mid-April. She is currently quarantined and being treated by a veterinarian.
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ehm in texas
In many horses, the first or only sign of EHV-1 infection is fever, which can go undetected. | Photo: The Horse Staff

The Equine Disease Communication Center (EDCC) reported April 17 that veterinarians have diagnosed a case of equine herpesvirus myeloencephalopathy (EHM), the neurologic form of equine herpesvirus-1 (EHV-1), in a Glasscock County, Texas, horse.

The 16-year-old Quarter Horse mare developed neurologic signs on April 14. She was quarantined after showing signs of ataxia and other neurologic signs consistent with EHM, and she was confirmed positive on April 16, the EDCC said.

The EDCC and the Texas Animal Health Commission (TAHC) noted that “the positive horse attended a seven-day event at the Brazos County Expo Center, in Bryan, Texas, starting on April 1. Following the event, the horse attended a three-day barrel racing event at the Taylor County Expo Center, in Abilene, Texas, starting on April 12. At that time, the expo center was also hosting a Region II High School Rodeo

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Erica Larson, former news editor for The Horse, holds a degree in journalism with an external specialty in equine science from Michigan State University in East Lansing. A Massachusetts native, she grew up in the saddle and has dabbled in a variety of disciplines including foxhunting, saddle seat, and mounted games. Currently, Erica competes in eventing with her OTTB, Dorado.

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