Horses test positive for Equine Infectious Anemia in Kansas

The Kansas Department of Agriculture Division of Animal Health received confirmation from the National Veterinary Services Laboratory on Aug. 29 that two horses were confirmed positive for Equine Infectious Anemia. One horse is located in Finney County, and the other is located in Kearny County; both premises are under quarantine, and all other horses on site are being tested.

Earlier this month, six horses in Finney County tested positive for EIA. Since that time, KDA–DAH has conducted detailed surveillance, identifying and testing additional animals connected to the index case. Through this investigation, these two additional horses have been confirmed positive. Surveillance testing continues in the area.

KDA–DAH has established an EIA page on the KDA website at www.agriculture.ks.gov/EIA, where any future positives resulting from this investigation will be posted. The public will be notified of updates to that webpage via the KDA Twitter account, @KansasDeptofAg.

EIA is an incurable, infectious disease caused by a virus that can affect horses, donkeys, asses and other equine species. This virus destroys red blood cells and is spread through blood-to-blood contact, not through close proximity or casual contact. Clinical signs of EIA include fever, anemia and edema; however, affected horses may not show symptoms. All infected horses, including those which are asymptomatic, are carriers of the disease.

The virus can be transmitted from an infected equine to a “clean” equine by biting flies, the use of unsterilized or contaminated medical instruments, or through a blood transfusion. This disease does not affect humans. KDA has identified a prescribed surveillance area within one-half mile of the affected premises, and is working with local officials and horse owners to identify any other horses that may have been within that surveillance area in order to test those animals.

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