title: Antibody production in chickens thymectomized as embryos and pigeons thymectomized at hatching.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D000941:Antigens; D000942:Antigens, Bacterial; D002002:Brucella / Q000276:immunology; D002417:Cattle / Q000276:immunology; D002642:Chick Embryo; D010856:Columbidae; D004912:Erythrocytes / Q000276:immunology; D006460:Hemolysin Proteins / Q000032:analysis; D006462:Hemolytic Plaque Technique; D007117:Immunization, Secondary; D012710:Serum Albumin, Bovine; D012756:Sheep / Q000276:immunology; D013934:Thymectomy; D013950:Thymus Gland / Q000276:immunology*
chemical_list: D000941:Antigens; D000942:Antigens, Bacterial; D006460:Hemolysin Proteins; D012710:Serum Albumin, Bovine