title: Eimeria acervulina, E. brunetti, and E. maxima: immunity in chickens with low multiple doses of mixed oocysts.
mesh_terms: D000818:Animals; D001835:Body Weight; D002645:Chickens / Q000276:immunology*; D003048:Coccidiosis / Q000276:immunology / Q000469:parasitology / Q000662:veterinary*; D004539:Eimeria / Q000276:immunology; D005243:Feces / Q000469:parasitology; D007114:Immunization; D008297:Male; D011201:Poultry Diseases / Q000188:drug therapy / Q000276:immunology* / Q000469:parasitology