title: Comments on immunization of calves against salmonellosis.
mesh_terms: D000818:Animals; D001428:Bacterial Vaccines; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D007110:Immunity, Active; D007112:Immunity, Maternally-Acquired; D007114:Immunization / Q000662:veterinary*; D012475:Salmonella / Q000276:immunology; D012481:Salmonella Infections, Animal / Q000517:prevention & control*; D012486:Salmonella typhimurium / Q000276:immunology
chemical_list: D001428:Bacterial Vaccines