title: Fatal Salmonellosis in Captive Maras (Dolichotis patagonum) Caused by Salmonella Enteritidis.
abstract: We report epidemic occurrences of fatal salmonellosis caused by Salmonella Enteritidis in captive maras (Dolichotis patagonum) in a zoological garden in Japan. The deaths were sudden or followed a peracute course within a few hours of the first observations of clinical abnormalities. Gross lesions included haemorrhages in the subcutis and skeletal muscles, liver, spleen, lung, heart and gastrointestinal tract. Microscopically, there were haemorrhagic and necrotizing lesions with gram-negative bacilli in the liver, spleen, small intestine and Peyer's patches. These bacilli showed strong immunolabelling for Salmonella O9 antigen and S. Enteritidis was isolated from the lesions. To the best of our knowledge, this is the first report of salmonellosis in maras.
authors.affiliation: Laboratory of Veterinary Pathology, Azabu University, Kanagawa, Japan.
authors.forename: S
authors.initials: S
authors.lastname: Nakamura
authors.affiliation: Laboratory of Veterinary Pathology, Azabu University, Kanagawa, Japan.
authors.forename: Y
authors.initials: Y
authors.lastname: Yoshimura
authors.affiliation: Institute of Symbiotic Science and Technology, Tokyo University of Agriculture and Technology, Tokyo, Japan.
authors.forename: H
authors.initials: H
authors.lastname: Hayashidani
authors.affiliation: Institute of Symbiotic Science and Technology, Tokyo University of Agriculture and Technology, Tokyo, Japan.
authors.forename: T
authors.initials: T
authors.lastname: Iwata
authors.affiliation: Nagasaki Bio Park, Nagasaki, Japan.
authors.forename: S
authors.initials: S
authors.lastname: Iseda
authors.affiliation: Laboratory of Veterinary Pathology, Azabu University, Kanagawa, Japan. Electronic address: une@azabu-u.ac.jp.
authors.forename: Y
authors.initials: Y
authors.lastname: Une
mesh_terms: D000818:Animals; D000836:Animals, Zoo / Q000382:microbiology; D007564:Japan; D012376:Rodent Diseases / Q000473:pathology*; D012377:Rodentia; D012481:Salmonella Infections, Animal / Q000473:pathology*; D012477:Salmonella enteritidis
keywords: Salmonella Enteritidis; mara; salmonellosis; typhus-like disease