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Published on: October 13, 2015
Isolation of Yersinia enterocolitica from Pig Tonsils
M O Banna1, G C Smith1, L C Ball1
1Department of Animal Science, Texas Agricultural Experiment Station and Department of Veterinary Public Health, Texas A&M University, College Station, Texas 77843.
Abstract:
Yersinia enterocolitica serotype 0:5 was isolated from the tonsils of 8 of 27 butcher hogs subjected to normal slaughtering procedures. Isolation through enrichment in cold mannitol broth or a bile medium at 4 C for 10-60 days was equally effective. Enrichment in modified Rappaport broth at 25 C for longer than 2 days sharply decreased recovery of Y. enterocolitica from tonsils. The type of enrichment medium also had a marked effect on the recovery efficiency of different strains of Y. enterocolitica from ground meat.
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