title: Immobilization and immunodiffusion tests for determination of antibodies against spirochetosis in the yolk of convalescent fowls.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis*; D002645:Chickens; D005260:Female; D007106:Immune Sera / Q000032:analysis; D005779:Immunodiffusion; D010063:Ovum / Q000032:analysis / Q000276:immunology; D011201:Poultry Diseases / Q000175:diagnosis* / Q000276:immunology; D012698:Serologic Tests; D013145:Spirochaetales Infections / Q000175:diagnosis / Q000276:immunology / Q000662:veterinary*
chemical_list: D000906:Antibodies; D007106:Immune Sera