Bovine Babesiosis Study Guide
Overview and Clinical Importance
Bovine babesiosis (also known as redwater fever, tick fever, Texas cattle fever, or piroplasmosis) is a significant tick-borne hemoprotozoan disease caused by intraerythrocytic parasites of the genus Babesia. It is considered the second most economically important blood parasite of mammals worldwide after trypanosomes, causing substantial losses to the global cattle industry, particularly in tropical and subtropical regions.
The disease is characterized by intravascular hemolysis leading to progressive anemia, hemoglobinuria, jaundice, and fever. Without prompt treatment, mortality rates can be high, especially in naive adult cattle. Understanding the etiology, pathophysiology, diagnosis, and treatment of babesiosis is essential for NAVLE success, as this disease appears frequently in board examinations.
Etiology
Causative Agents
Bovine babesiosis is caused by protozoan parasites of the genus Babesia (phylum Apicomplexa, order Piroplasmida). The three most clinically significant species affecting cattle are:
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