title: Efforts to transmit and to enhance the virulence of an avirulent strain of Pasteurella multocida in turkeys.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D001428:Bacterial Vaccines / Q000008:administration & dosage; D006799:Housing, Animal; D007273:Injections, Intramuscular; D007275:Injections, Intravenous; D008099:Liver / Q000382:microbiology; D010325:Pasteurella / Q000276:immunology / Q000472:pathogenicity*; D010326:Pasteurella Infections / Q000209:etiology / Q000276:immunology / Q000382:microbiology / Q000662:veterinary*; D011201:Poultry Diseases / Q000209:etiology* / Q000276:immunology / Q000382:microbiology; D014422:Turkeys; D014611:Vaccination; D014774:Virulence; D014867:Water
chemical_list: D001428:Bacterial Vaccines; D014867:Water