Fig. 2. - Gel electrophoresis of diarrheagenic E. coli samples from feral pigeons. Ladder 100 bp (1); positive control E. coli O157:H7 (2), negative control E. coli ATCC 25922 (3); blank (4), positive colonies EPEC (5,7-11); positive colony STEC (6). PCR products: 180 bp (stx1), 255 bp (stx2), 384 bp (eae) and 534 bp (hylA)15 .
