Equine Piroplasmosis (Piro)

Equine Piroplasmosis Lab Test Records for Accredited Vets

Attention Veterinarians: Piroplasmosis Test Chart Must Accompany Blood Specimen

Use of this test record is required by Texas Administrative Code Rule 49.5, Piroplasmosis: Testing, Identification of Infected Equine. Two versions of the test record are available, one for manual completion and one enabling importation of digital photos.

Equine piroplasmosis is a blood-borne parasitic disease of horses and other equidae. This disease is reportable to the TAHC and all positive equine in the state are under quarantine. Research into treatment options is ongoing at a national level.

A number of states, national and in-state events, and racetracks have imposed specific entry requirements related to piroplasmosis. Owners and veterinarians are urged to directly contact the state of destination or event organizer before moving horses.

Horse Owners: Protect Your Horses from Equine Piroplasmosis

Testing: The Texas Veterinary Medical Diagnostic Laboratories (TVMDL) is approved by USDA's Veterinary Services to test for Equine Piroplasmosis (Piro) for interstate and intrastate movement. Read more.

Entry requirements from other states

For Piroplasmosis testing requirements of other states, contact the animal health official in the state of destination.

NEWS: 12/27 — Great News for Texas Equine Owners: Texas origin equine destined to Kentucky are no longer required to meet the additional entry requirements of providing evidence of having tested negative for equine piroplasmosis. Additionally, Texas origin equine is no longer required to have a permit for entry issued by the Kentucky Department of Agriculture. Read more...

Entry requirements for race tracks

As of June 23, 2011 all horses entering Texas racetracks must have a negative piroplasmosis (T. equi) test in the past 12 months. For more information visit the Texas Racing Commission website.

Information Links

USDA Equine Piroplasmosis page