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[Listeriosis in a chinchilla herd - a case report].

A 6-year-old female chinchilla from a small colony in residential housing was presented due to lethargy and anorexia. Besides a ketoacidosis diagnosed by urinalysis, sepsis was suspected. Symptomatic treatment did not lead to any improvement, in consequence the animal was euthanized. On the basis of histopathological, immunohistological, and bacteriological examinations an infection with Listeria monocytogenes was diagnosed. The pathogen was also detectable in the feces of 2 other animals of the herd, one of which died and the other survived. The herd was treated with antibiotics following microbiologic sensitivity testing. At the end of the 2-month observation period, 3 out of 7 chinchillas were still alive. The presented case report describes the detection of listeriosis in pet chinchillas, the pathogenesis of the disease, as well as the diagnostic options and therapy.