The resistance to Marek's disease of chicks from immunized breeders.
D000367:Age Factors; D000818:Animals; D000906:Antibodies / Q000032:analysis; D001353:Avian Leukosis / Q000276:immunology* / Q000401:mortality / Q000473:pathology; D002645:Chickens; D007106:Immune Sera / Q000008:administration & dosage*; D005779:Immunodiffusion; D007273:Injections, Intramuscular / Q000662:veterinary; D007274:Injections, Intraperitoneal / Q000662:veterinary; D010523:Peripheral Nervous System Diseases / Q000276:immunology / Q000401:mortality / Q000473:pathology / Q000662:veterinary*; D011201:Poultry Diseases / Q000276:immunology* / Q000401:mortality / Q000473:pathology
D000906:Antibodies; D007106:Immune Sera