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Arizona Horse Diagnosed With EHM

March 5, 2018
Posted by Michelle Anderson

The Quarter Horse gelding attended cutting events in Las Vegas and Arizona in the month prior to developing clinical signs.

Topics: Biosecurity, Diseases and Conditions, Equine Herpesvirus (EHV), Horse Care, Horse Industry News

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Horse owner checking thermometer — Photo: Stephanie L. Church/The Horse

Veterinarians diagnosed a cutting horse in Arizona with equine herpesvirus myeloencephalopathy (EHM) on March 2, 2018, according to the Equine Disease Communication Center.

The 9-year-old Quarter Horse gelding attended a cutting horse event at South Point Arena in Las Vegas in early February and an Arizona Cutting Horse Association (ACHA) show in Queen Creek the weekend prior to developing neurologic signs of disease.

Equine herpesvirus myeloencephalopathy is the neurologic form of equine herpesvirus (EHV), a highly contagious disease spread by respiratory secretions and horse-to-horse contact. Horses are more susceptible to infection when under stress, including transportation and competition.

The Associated Press is reporting that the Nevada state veterinarian’s office has contacted animal health officials in 18 states with residents who participated in the Las Vegas event, not including Arizona and Nevada

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Written by:

Michelle Anderson

Michelle Anderson is the former digital managing editor at The Horse. A lifelong horse owner, Anderson competes in dressage and enjoys trail riding. She’s a Washington State University graduate and holds a bachelor’s degree in communications with a minor in business administration and extensive coursework in animal sciences. She has worked in equine publishing since 1998. She currently lives with her husband on a small horse property in Central Oregon.