- equine babesiosis n a babesiosis that affects horses and related equines (as mules, donkeys, and zebras), is caused by two protozoans of the genus Babesia (B. caballi and B. equi) which parasitize red blood cells, is transmitted by ticks and esp. the tropical horse tick, and is characterized by variable clinical signs associated with destruction of red blood cells and including esp. fever, anemia, weakness, icterus, and sometimes hemoglobinuria and edema just below the skin around the head called also equine piroplasmosis
* * *infection of horses or other equines with Babesia caballi or B. equi; characteristics include high fever, immobility, icterus, gastrointestinal disturbances, rapid emaciation, and dependent edema.
Medical dictionary. 2011.