title: RESPONSE OF IMMUNIZED AND NONIMMUNIZED CALVES TO CECAL INOCULATION OF FIRST-GENERATION MEROZOITES OF EIMERIA BOVIS.
mesh_terms: D000818:Animals; D001706:Biopsy; D002417:Cattle; D002432:Cecum; D003048:Coccidiosis; D004539:Eimeria; D007109:Immunity; D007114:Immunization; D052940:Merozoites; D010336:Pathology; D012106:Research; D014611:Vaccination
keywords: BIOPSY; CATTLE; CECUM; COCCIDIOSIS; EIMERIA; EXPERIMENTAL LAB STUDY; IMMUNITY; PATHOLOGY