an infectious disease of cattle caused by various sporozoans (genus Babesia) that invade the red blood cells and are carried by various ticks (esp. genus Boophilus); babesiosis
See Texas fever in American Heritage Dictionary 4
noun
An infectious disease of cattle first identified in Texas, characterized by high fever, anemia, and emaciation and caused by a parasitic protozoan (Babesia bigemina) that is transmitted by cattle ticks.