The New Mexico Livestock Board (NMLB) reported Feb. 3 that additional horses have tested positive for equine herpesvirus-1 (EHV-1), bringing the total case count to 44. Most of the affected horses reside at Sunland Park racetrack, but the most recent round of testing identified several EHV-1 positive-horses at a nearby training center.

“To date, 44 horses have been confirmed positive for EHV-1 on nasal swab and/or whole blood,” the statement read. “These horses are from 19 different barns within Sunland Park racetrack. Two positive horses are from an adjacent training facility (Frontera) close to the Sunland Park racetrack. Frontera has always been included in the original quarantine perimeter.

“Of these 44 horses, five have been euthanized for progressive neurologic signs,” the NMLB reported.

No movement of horses is being allowed in or out of Sunland Park. Officials with the NMLB, New Mexico Racing Commission, and Sunland Park will continue to work together to resolve the issue, the statement said

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