EDCC Reports Piro in Wyoming and More WNV in Wisconsin and Minnesota

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The Equine Disease Communication Center (EDCC) offers alerts about equine diseases that have been confirmed by reliable sources. The following information is from the EDCC.

Piroplasmosis Positive Horses in Wyoming

On August 25, a Wyoming-origin race horse tested positive in California for equine piroplasmosis. Subsequent testing of other horses in Wyoming that were associated with the positive animal identified 13 additional infected horses involved that belong to one owner in Wyoming as well as another horse belonging to one owner from Utah. These animals are currently under quarantine at the owner's property. Following consultation with the USDA APHIS Equine Epidemiologist, Wyoming Livestock Board (WLSB) veterinarians may allow permitted movement of test negative animals to other Wyoming race tracks this racing season. Wyoming Pari-Mutuel Commission has issued an order, which will go into effect on September 8, requiring all horses that enter a sanctioned race track in Wyoming to have a negative Theileria equi cELISA test within 12 months prior to the event. For more information go to https://wlsb.state.wy.us/editable-page/home/downloadFile?filename=2016-09-02_Equine-Piroplasmosis-Case_Press-ReleaseA.pdf.

New West Nile Virus Cases in Wisconsin

West Nile virus was confirmed in two horses in Wisconsin. One was an unvaccinated 15-month-old Belgian gelding from Clark County. The gelding started showing symptoms (mild stumbling) on August 29. The second horse was an unvaccinated 12-year-old Quarter Horse gelding from Rusk County that had trouble getting up and was ataxic on August 22. Both horses are improving.

Minnesota Has New WNV Case

The Minnesota Board of Veterinary Medicine has reported a new case of West Nile virus in Becker County. The unvaccinated 8-year-old Paint mare, which began showing clinical signs on August 30, is currently able to stand and eat on her own

About EDCC

The Equine Disease Communication Center works to protect horses and the horse industry from the threat of infectious diseases in North America. The communication system is designed to seek and report real time information about disease outbreaks similar to how the Centers for Disease Control and Prevention (CDC) alerts the human population about diseases in people.

The goal of the EDCC is to alert the horse industry about disease outbreak information to help mitigate and prevent the spread of disease. Ultimately frequent and accurate information about diseases outbreaks improves horse welfare and helps to prevent negative economic impact that can result from decreased horse use due to a fear of spreading infection. As part of the National Equine Health Plan the EDCC will serve as part of the communication to help educate and promote research about endemic and foreign disease.

Working in cooperation with state animal health officials and the United State Department of Agriculture, the EDCC seeks information about current disease outbreaks from news media, social media, official state reports and veterinary practitioners. Once information is confirmed, it is immediately posted on this website and messages sent to all states and horse organizations by email. Daily updates are posted until each outbreak is contained or deemed no longer a threat.

The EDCC is made possible by generous donations from organizations and horse owners. Please visit our sponsors that have generously supported this program for the benefit of the health and welfare of horses. To learn how you can help go to SUPPORT.