Detection of some pathogenic bacteria in raw farm milk

The objective of this study was performed to detect the incidence of Escherichia coli, Salmonella, Yersinia enterocolitica in raw farm milk samples. A total of 50 raw milk samples were collected from different dairy farms in Kafrelsheikh Governorate. The isolates were identified biochemically and serologically. The obtained results revealed that E. coli, Salmonella and Yersinia enterocolitica were detected in 32%, 10% and18%, respectively. Additionally 50% of recovered E.coli were entero-hemorrhagic (O26:H11andO111:H4), 12.5% were enteropathogenic (O114:H21) and 37.5% were entero-toxigenic (O125: H21; O127:H6). The results also exhibit species of isolated salmonellae were S.typhimurium (40%), S. enteritidis were 60% .The public health significance of isolated strains as well as suggested control measures were discussed to obtain high quality milk and healthy for human being