EIA Exposure in Wyoming Horses: Nine Premises Quarantined

The Wyoming Livestock Board quarantined the additional premises after resident equids were exposed to a Colorado horse that ultimately tested positive for EIA.

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EIA exposure in Wyoming horses
A Coggins test screens horses’ blood for antibodies that are indicative of the presence of EIA. | Photo: Alexandra Beckstett/The Horse

Wyoming animal health officials have placed additional facilities under quarantine after determining that horses residing there were exposed to a horse that ultimately tested positive for equine infectious anemia (EIA), the Equine Disease Communication Center (EDCC) reported Sept. 1.

“The Wyoming Livestock Board has quarantined an additional seven premises, totaling nine now, as a result of equine being exposed to a horse originating in Colorado which was found to be positive for equine infectious anemia,” the EDCC said. “Counties include Sweetwater, Lincoln, Teton, Park, and Fremont.”

The EDCC said 41 horses were exposed at a Sweetwater County premises where the index case was sent illegally from Colorado

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Written by:

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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