title: Immunologic response of turkeys to an avirulent Pasteurella multocida vaccine in the drinking water. 2. Duration of immunity.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D001428:Bacterial Vaccines / Q000008:administration & dosage; D004326:Drinking; D005260:Female; D005779:Immunodiffusion; D007279:Injections, Subcutaneous; D008297:Male; D008722:Methods; D010325:Pasteurella / Q000276:immunology* / Q000302:isolation & purification; D010326:Pasteurella Infections / Q000276:immunology / Q000382:microbiology / Q000662:veterinary; D011201:Poultry Diseases / Q000276:immunology / Q000382:microbiology; D013997:Time Factors; D014422:Turkeys / Q000276:immunology*; D014611:Vaccination / Q000662:veterinary*; D014774:Virulence; D014867:Water
chemical_list: D001428:Bacterial Vaccines; D014867:Water