LEPORINE AND OVINE INFECTIONS DUE TO YERS INIA-ENTEROCOLITICA SEROVAR2A, 2B, 3-B,C BIOVAR-5

During the last fourty years the ''hare type'' of Yersinia enterocolit ica was detected in the brown hare and other mammals in several Europe an countries. In northern Germany (Province of Schleswig-Holstein) the pathogen was not found in the post mortem materials of the cattle, sw ine and horses during the years 1990-1996. In approximately 1.000 shee ps studied this yersinia was cultured from the internal organs of one diarrhoeic lamb. The examination of some 200 perished hares reveals on e animal with granulomatous splenomegaly and culture of this pathogen. Yersinia enterocolitica is one of the pathogens causing pseudotubercu losis-like lesions in the hare.