The results of parenteral injections of sporulated or unsporulated oocysts of Eimeria bovis in calves.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D003048:Coccidiosis / Q000209:etiology*; D004539:Eimeria / Q000472:pathogenicity*; D005243:Feces; D007109:Immunity