A viral outbreak of EHV (Equine Herpesvirus) at a rodeo in Texas has spread to horses beyond the Lone Star State, canceling shows and auctions as far away as Montana.

"EHV has had a big exposure at two major events in Texas. One event had 1,680 competitors from twenty-some states and Canadian provinces. It all went home after the event," said Billings Livestock Commission horse sales manager Jann Parker.

See how EHV impacts Billings: Montana horse auction canceled because of spread of equine virus

Horses from far and wide are bought and sold at Billings Livestock Commission every month.

According to Parker, her decision to cancel the next auction in November was easy.

Billings veterinarian Dr. Jamie Lehfeldt agrees.

"I believe that was a really good decision on their part. Minimizi

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