Immunization by irradiated Eimeria acervulina.
D000818:Animals; D001835:Body Weight; D002645:Chickens; D003048:Coccidiosis / Q000276:immunology; D004539:Eimeria / Q000276:immunology* / Q000528:radiation effects*; D005243:Feces / Q000382:microbiology; D007114:Immunization; D011829:Radiation Dosage