Day: March 10, 2011

The American Quarter Horse Journal — Beginning July 1, 2011, all horses entering the grounds for any AQHA world championship show – in Oklahoma City, Amarillo or Houston – will be required to present a certificate of a negative blood test for equine piroplasmosis. The tests must have been completed within the previous six months and will cost exhibitors $30-$40 per horse. Equine piroplasmosis is a disease of horses, donkeys, mules and zebras that is caused by two parasitic organisms, Theileria equi and Babesia caballi. Although, equine piroplasmosis is primarily transmitted to horses by ticks, this bloodborne disease has been spread