Two South-Central Texas Horses Euthanized Due to EIA

Officials are working with local veterinarians and horse owners to monitor potentially exposed horses.
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Two South-Central Texas Horses Euthanized Due to EIA
Two Quarter Horses on a Travis County premises have been euthanized after being confirmed with equine infectious anemia. | Photo: Wikimedia Commons
Two Quarter Horses on a Travis County premises have been euthanized after being confirmed with equine infectious anemia by Texas Animal Health Commission (TAHC) officials. Enhanced biosecurity protocols have been enacted and the premises were placed under official quarantine until TAHC requirements are fulfilled. Officials are working with local veterinarians and horse owners to monitor horses that were potentially 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.

Once an animal is infected with EIA, it is infected for life and can be a reservoir for the spread of disease. Not all horses show signs of disease, but those that do can exhibit:

  • Progressive condition loss;
  • Muscle weakness;
  • Poor stamina;
  • Fever;
  • Depression; and
  • Anemia.

EIA has no vaccine and no cure. A horse diagnosed with the disease dies, is euthanized, or must be placed under extremely strict quarantine conditions (at least 200 yards away from unaffected equids) for the rest of his life.

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