Incidence of Salmonella spp. and Y. enterocolitica in 330 food samples of animal origin was examined.

Salmonella spp., S. Typhimurium, S. Enteritidis were found in 5.5% samples, Y. enterocolitica biotype 1A in 2.1% samples.

The gene invA was found in all Salmonella strains and spvC was found in 3 (18.7%) strains.

None of the Y. enterocolitica strains had the genes ail or ystA, and the ystB gene was found in 5 strains.

7 strains of Salmonella spp. and 3 strains of Y. enterocolitica showed a moderate ability to form a biofilm.