Immunity to Eimeria tenella and Eimeria necatrix infections in the fowl. I. Influence of the site of infection and the stage of the parasite. II. Cross-protection.
D000818:Animals; D002645:Chickens; D003048:Coccidiosis / Q000276:immunology*; D004539:Eimeria / Q000254:growth & development; D007114:Immunization / Q000662:veterinary; D011201:Poultry Diseases / Q000276:immunology*; D013045:Species Specificity