Resistance profile of <i>E</i>. <i>coli</i> meat isolates relative to the number of antibiotics to which isolates exhibited resistance.

<p>A: Red bars: strains isolated from local chickens (n = 36); Green bars: strains isolated from imported chickens (n = 73). B: Dark blue bars: Beta-lactamase producing isolates (n = 29). Blue bars: Non beta-lactamase producing isolates (n = 80). * indicates statistical significance (p < 0.05).