Findings of yersinia in rats and sewer rats.

Survey of first methodical experiences in the microbiological examination of sewer rats Rattus norvegicus and rats Rattus rattus for yersiniae. From total of 178 cadavers 30 yersinia cultures were isolated, including 4 Yersinia pseudotuberculosis serotype III strains. Yersinia enterocolitica serotype O3 was isolated only from rats Rattus rattus in pig houses. Importance of suitable treatment of cadavers (at best in frozen state) and their quick delivery to the laboratory is being discussed.