Saskatchewan Mare Positive for Equine Infectious Anemia
The horse tested positive after being stabled with another infected horse.
Vanscoy No. 345, Saskatchewan, Canada
Wikimedia Commons image

The Canadian Animal Health Surveillance System reported that a horse in Vanscoy No. 345, Saskatchewan, tested positive for equine infectious anemia (EIA) on June 30.

The owners requested the horse be tested after learning a horse it had been stabled with had been diagnosed with EIA. The horse was also showing clinical signs compatible with EIA. Reports indicate other horses reside on the property, which is now under official quarantine. Movement controls will remain in place until the confirmed cases have been destroyed and follow-up testing has taken place.

EDCC Health Watch is an Equine Network marketing program that utilizes information from the Equine Disease Communication Center (EDCC) to create and disseminate verified equine disease reports. The EDCC is an independent nonprofit organization that is supported by industry donations in order to provide open access to infectious disease information.

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.

A 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 body 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.

Brought to you by Boehringer Ingelheim, The Art of the Horse

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