Texas Horse Confirmed With EIA
A Coggins test screens horses’ blood for antibodies that are indicative of the presence of the EIA virus. | Photo: Alexandra Beckstett

Texas Animal Health Commission (TAHC) officials have confirmed a Brazoria County Quarter Horse with equine infectious anemia (EIA). The horse’s premises is under quarantine. Until TAHC requirements have been met and quarantine released, officials will work closely with the local veterinarian and the owner to enact biosecurity protocols and monitor horses that have potentially been exposed.

About EIA

Equine infectious anemia is a viral disease that attacks horses’ immune systems. The virus is transmitted through the exchange of body fluids from an infected to an uninfected animal, often by blood-feeding insects such as horseflies. It can also be transmitted through the use of blood-contaminated instruments or needles.

Coggins test screens horses’ blood for antibodies that are indicative of the presence of the EIA virus. Most U.S. states require horses to have proof of a negative Coggins test to travel across state lines

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