title: The role of the tvb locus in genetic resistance to RSV(RAV-O).
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000032:analysis; D001358:Avian Sarcoma Viruses / Q000276:immunology / Q000472:pathogenicity*; D002642:Chick Embryo; D002645:Chickens; D003433:Crosses, Genetic; D004912:Erythrocytes / Q000276:immunology; D005808:Genes, Recessive; D005838:Genotype; D001357:Sarcoma, Avian / Q000276:immunology*
chemical_list: D000956:Antigens, Viral