Resistance of breeds and breed crosses of chickens to experimental Eimeria necatrix infection.
D000818:Animals; D002645:Chickens; D003048:Coccidiosis / Q000235:genetics / Q000662:veterinary*; D004539:Eimeria; D006824:Hybridization, Genetic; D011201:Poultry Diseases / Q000235:genetics*; D014774:Virulence