On Tuesday, Missouri State Veterinarian Dr. Steve Strubberg announced the state’s first case of Vesicular Stomatitis in a horse in Newton County. The announcement follows a positive confirmation from the United States Department of Agriculture’s National Veterinary Services Laboratory (NVSL), making Missouri the seventh state to confirm the virus this year. As a result, the Missouri Department of Agriculture is urging horse owners to monitor their livestock closely and call their veterinarian if symptoms arise.
All susceptible animals on the affected premises have been quarantined. The quarantine will continue for at least 14 days after the onset of lesions in the last affected animal. The Department has begun epidemiological work to trace back any possible sources of transmission; however, flies and midges are known to be vectors of the virus. As a preventative measure, Missouri has required a veterinary examination, Certificate of Veterinary Inspection (CVI) and an Entry Permit for hooved animals entering the state from affected areas.
Vesicular Stomatitis is a contagious, non-fatal virus that primarily affects horses and cattle by causing a fever and vesicular lesions in the mouth, on ears, near the coronary band of hooves or on teats. Horses infected with Vesicular Stomatitis may be treated with anti-inflammatory medication to minimize swelling and kept on soft feeds to ensure they continue eating and drinking. The virus occasionally affects other hooved livestock, including sheep, goats and swine. The virus has been confirmed in Arizona, Kansas, Nebraska, New Mexico, Oklahoma and Texas this year in both horses and cattle.
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