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Insect-Borne Equine Diseases: Q&A

Find answers to questions about equine infectious anemia, Potomac horse fever, parasites, and more.

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insect-borne equine diseases
A Coggins test screens the horse’s blood for antibodies against EIA’s causative virus. | Photo: Alexandra Beckstett/The Horse

During the 2019 University of Kentucky (UK) Equine Showcase, held Jan. 26 in Lexington, Rebecca Ruby, BVSc, Dipl. ACVP, of the UK Veterinary Diagnostic Laboratory, educated horse owners about important equine diseases carried or caused by insects.

What is equine infectious anemia (EIA) and how does a horse get it?

EIA is caused by a virus that integrates into the horse’s DNA and results in life-long infection. There is no vaccine and no cure for the disease.

The disease presents in three

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