Fig. 1

The distribution of genotypes and serogroups of 17 both β-lactams and aminoglycosides resistant E. coli from bulk tank milk of three dairy companies. E. coli showing similarities of < 85% in PFGE were considered to be unrelated
The distribution of genotypes and serogroups of 17 both β-lactams and aminoglycosides resistant E. coli from bulk tank milk of three dairy companies. E. coli showing similarities of < 85% in PFGE were considered to be unrelated