title: Antigen in feed as cause of antibody in unimmunized animals.
mesh_terms: D000821:Animal Feed; D000818:Animals; D000917:Antibody Formation; D000941:Antigens; D001345:Autoradiography; D006224:Cricetinae; D005455:Fluorescent Antibody Technique; D006168:Guinea Pigs; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007456:Iodine Isotopes; D008214:Lymphocytes / Q000276:immunology; D010323:Passive Cutaneous Anaphylaxis; D012710:Serum Albumin, Bovine
chemical_list: D000941:Antigens; D007456:Iodine Isotopes; D012710:Serum Albumin, Bovine