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. 1990;31(1):39-43.
doi: 10.1186/BF03547575.

The prevalence of Yersinia enterocolitica 0:3 in Finnish pigs and pork

K Asplund  1 , V Tuovinen, P Veijalainen, J Hirn
Affiliations

The prevalence of Yersinia enterocolitica 0:3 in Finnish pigs and pork

K Asplund et al. Acta Vet Scand. 1990.

Abstract
in English, Swedish

One hundred and forty seven samples of pig faeces collected from 14 herds located in different parts of Finland were examined for Yersinia enterocolitica biotype 4 serotype 0:3. Twenty six (17.7%) animals and 5 herds (35.7%) were positive. The tonsils of 350 animals from 35 herds with high condemnation figures at meat inspection and the tonsils of 131 animals from 13 herds with low condemnation figures collected from 2 abattoirs in southwest Finland were also examined. The prevalence raes of Y.e. in animals were 38.3% and 31.3% and in herds 74.3% and 61.5%, respectively. The prevalence of Y.e. in herds with the high and low partial condemnation percentages did not differ significantly. No isolation of Y.e. was made from 104 samples of pork and minced pork collected from retail markets in Helsinki and from exporting slaughterhouses.

Prevalens av Yersinia enterocolitica biotyp 4 serotyp 0:3 i fekala prov av 147 svin från 14 svingårdar lig-gande i olika delar av Finland undersöktes. Tjugoett (17.7%) djur och 5 (35.7%) svingårdar var positiva. Tonsiller av 350 svin från 35 svingårdar med höga partiella kasseringsprocenter vid köttbesiktiningen och 131 svin från 13 svingårdar med låga partiella kasseringsprocenter undersöktes också för Y.e. 0:3. Prevalensen i djur av den förstnämda gruppen var 38.3% och i den sistnämda gruppen 31.3%. I den förstnämda gruppen var 26 svingårdar (74.3%) positiva och i den sistnämda gruppen 8 (61.5%). Man kunde inte finna någon signifikant skillnad mellan dessa två grupper. Y.e. kunde inte isoleras från 104 prov av svinkött.

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