Investigation of contamination of food by food borne pathogens in markets in Haiyan county.

Objective To investigate the current status of the contamination of food by food borne pathogens in the market in Haiyan county. Methods A total of 601 food samples for 13 kinds of food in 7 classes were collected from 6 markets of farm produce and 2 supper markets to conduct pathogen detection. Results Thirty eight strains of pathogens were detected from 601 food samples (6.32%). Including 16 strains of Salmonella,12 strains of Vibrio parahaemolyticus,10 strains of Staphylococcus aureus. The detection rates in raw meat and fishery products were 12.94% and 7.95% respectively. Of 16 strains of Salmonella,2 strains were not specified,the others belonged to serogroup B (7 serotypes). The predominating strains were Salmonella derby,Salmonella indiana,Salmonella agona. Conclusion The raw meat and fishery product were the main contaminated foods;the common pathogens to cause food contamination included Salmonella,Staphylococcus aureus and Vibrio parahemolyticu;and the food contamination of Salmonella was mainly caused by Salmonella derby,followed by Salmonella indiana,Salmonella agona in Haiyan county.