Transmission of Anaplasma marginale by the cattle tick Boophilus microplus.
D000712:Anaplasmosis / Q000209:etiology / Q000662:veterinary*; D000818:Animals; D001096:Arachnid Vectors; D001179:Arthropod Vectors; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology*; D005260:Female; D008297:Male; D013984:Tick Infestations / Q000662:veterinary*