Pig herds free from pathogenic Y. enterocolitica - dream or reality?
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The SafePork conference series began in 1996 to bring together international researchers, industry, and government agencies to discuss current Salmonella research and identify research needs pertaining to both pig and pork production. In subsequent years topics of research presented at these conferences expanded to include other chemical and biological hazards to pig and pork production.
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The results indicate that 15 of the 16 SPF (specific pathogen free) herds examined may be free from Y enterocolitica O:3. In a broad perspective this investigation Indicates that it is possible to establish cluster of pig herds free from Y. enterocolitica O:3, and to keep the herds free from the bacteria for many years. According to serological testing, the basic herd at the top of this SPF pyramid seem to have been free from this pathogenic variant since 1996. A total of 14 herds are confirmed negative also by culture.