[Morphological features of coccidia in the intestinal tissue of field chickens].
D000818:Animals; D002645:Chickens; D003048:Coccidiosis / Q000662:veterinary*; D004539:Eimeria / Q000254:growth & development*; D007422:Intestines / Q000473:pathology; D011201:Poultry Diseases / Q000473:pathology*