Texas confirms 12th case of vesicular stomatitis in horses

A horse with vesicular stomatitis shows blisters in the mouth area.
A horse with vesicular stomatitis shows blisters in the mouth area.

An additional case of vesicular stomatitis has been confirmed in a Texas horse. The latest case brings the total number of infected horses in the state to 12.

The Texas Animal Health Commission said the latest case was in a horse in Nueces County in southern Texas, at a property 10 miles south of Mathis.

To date, six properties in four Texas counties have been confirmed with the disease, which has symptoms similar to those of foot and mouth disease.

All cases have tested positive for the New Jersey serotype.

The latest property has been placed under quarantine.

All horses are being monitored by regulatory veterinarians.

On May 28, the commission announced the first cases of vesicular stomatitis in the US this year, involving five horses in Kinney County. Three additional infected horses, in Hidalgo County in southern Texas, were confirmed early in June. Two of the horses were 24 miles northwest of Edinburg, the other three miles northwest of Edinburg.

Then, cases were confirmed in three horses in San Patricio County in southern Texas. Two of the horses were seven and a half miles southeast of Mathis. The other was about seven miles southeast of Mathis.

Several states have tightened entry requirements on Texas livestock, including horses, due to the cases.

Vesicular stomatitis can cause blisters and sores in the mouth and on the tongue, muzzle, teats or hooves of horses, cattle, swine, sheep, goats, llamas and a number of other animals.

Lesions usually heal in two or three weeks.

Because of the contagious nature of the disease, which has symptoms similar to foot and mouth disease, animal health officials urge livestock owners and caretakers to report these symptoms to their veterinarian immediately.

Most animals recover well with supportive care by a veterinarian, but some lesions can be painful.

It is thought that insects are an important vector in the transmission of the disease.

The last confirmed cases in Texas were in 2009.

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