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Texas confirms another horse with vesicular stomatitis

Horses with vesicular stomatitis show blanched raised or broken vesicles around the upper surface of the tongue, surface of the lips and around nostrils, corners of the mouth and the gums.

Horses with vesicular stomatitis show blanched, raised or broken vesicles around the upper surface of the tongue, surface of the lips and around nostrils, corners of the mouth and the gums.

Update/clarification: The number of cases of vesicular stomatitis reported in horses in Texas officially stands at 11, according to the July 8 situation report released by the Animal and Plant Health Inspection Service (APHIS). This number is lower than some earlier reports, which included Texas Animal Health Commission reporting on one or two cases that did not meet the offical case definition. The 11 horses were located across seven premises, one of which, in Kinney County, was released from quarantine on July 8. APHIS reported two additional cases in its latest update, in two head of cattle in Jim Wells County. Counties currently with positive premises are Hidalgo, Jim Wells, Nueces and San Patricio. In all, seven premises remain under quarantine. 

Animal health authorities in Texas have confirmed the 13th case of the insect-borne disease, vesicular stomatitis, in a horse in the state.

The Texas Animal Health Commission said it had received confirmation of the latest case in Nueces County in South Texas. The property is 10.2 miles south of Mathis, close to where the 12th case was reported.

To date, seven 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 affected 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.

Horsetalk.co.nz

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