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PFGE Sma1 genotypes generated from C. coli isolates obtained from different sample sources that displayed different antibiotic-resistant profiles. AMP = Ampicillin, NAL = Nalidixic acid, CIP = Ciprofloxacin, ERY = Erythromycin, TET = Tetracycline, CRO = Ceftriaxone, GENT = Gentamicin, CLI = Clindamycin. The letters A–E indicate the clusters of isolates with Salmonella Braenderup H9812 used as a control.
