| [isolation and characterization of yersinia enterocolitica from pigs and bovines in chile]. | the occurrence of yersinia enterocolitica in tonsils and rectal swabs from 100 healthy pigs and the rectal swabs of 100 healthy cattle slaughtered at santiago-chile were analysed. yersinia enterocolitica was isolated from 48 (48%) pigs but not from cattle. 98.2% of strains were of 4/o3 bioserogroup, considered to be pathogenic for humans. all of the strains were resistant to penicillin producing beta-lactamase. most of them were resistant to neomicin and tetracycline. the pyv marker was used to ... | 1997 | 9312970 |