title: Pasteurella anatipestifer as a cause of mortality in semiwild pen-raised mallard ducks in South Carolina.
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000382:microbiology / Q000401:mortality* / Q000473:pathology; D001921:Brain / Q000382:microbiology; D004372:Ducks; D010325:Pasteurella / Q000302:isolation & purification; D010326:Pasteurella Infections / Q000382:microbiology / Q000401:mortality / Q000473:pathology / Q000662:veterinary*; D013022:South Carolina