Occurrence of Yersinia enterocolitica in wild animals.

AUTOR(ES)

Kaneko, K

RESUMO

Yersinia species were isolated from 16 of 495 small wild animals and from 1 of 38 foxes. The animals were trapped in seven regions of Hokkaido, Japan. Of the 17 strains isolated, 9 were Yersinia enterocolitica O6; 2 were Y. enterocolitica O5A; 1 was Y. enterocolitica, O4; 1 was Y. enterocolitica O9; 1 was Yersinia pseudotuberculosis IVB; and 3 were sucrose-negative strains. Yersinia pestis was not isolated. The O6 organism was most prevalent in large red-back mice (Clethrionomys rufocanus bedfordiae) and showed significant differences in its mode of distribution according to region. Incidence of the O6 organism in the ileum of the animal was threefold that in the cecum, and the organism was recovered at approximately 10(5) cells per g of cecal contents per c. rufocanus bedfordiae animal.

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