Table 5 Prevalence of virulence genes and QACs resistance genes between the isolated E. coli serotypes
Sources | Type of sample | Serotypes | No of tested serotypes | iss | papC | eaeA | cfaI | qacEΔ1 | qacA/B | qacC/D |
|---|---|---|---|---|---|---|---|---|---|---|
Environmental E. coli | Feeder | O119:H4 | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 2 |
O113:H4 | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 2 | ||
O142 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 2 | ||
Floor | O78 | 5 | 5 | 5 | 5 | 0 | 5 | 5 | 5 | |
O111:H2 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 2 | ||
O1:H7 | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 2 | ||
Drinker | O26:H11 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 2 | |
O169 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 2 | ||
O91:H21 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 2 | ||
Wall | O128:H2 | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 2 | |
Organs of diseased broiler chickens | Heart | O15:H2 | 5 | 5 | 5 | 0 | 0 | 5 | 5 | 5 |
O78 | 7 | 7 | 7 | 0 | 0 | 7 | 7 | 7 | ||
O91:H21 | 5 | 5 | 5 | 0 | 0 | 5 | 5 | 5 | ||
O124 | 5 | 5 | 5 | 0 | 0 | 5 | 5 | 5 | ||
O146 | 5 | 5 | 5 | 0 | 0 | 5 | 5 | 5 | ||
Liver | O126 | 10 | 10 | 10 | 0 | 0 | 10 | 10 | 10 | |
O44:H18 | 5 | 5 | 5 | 0 | 0 | 5 | 5 | 5 | ||
O1:H7 | 15 | 15 | 15 | 10 | 0 | 15 | 15 | 15 | ||
O125:H21 | 5 | 5 | 5 | 0 | 0 | 5 | 5 | 5 | ||
O78 | 8 | 8 | 8 | 0 | 0 | 8 | 8 | 8 | ||
O91:H21 | 5 | 5 | 5 | 0 | 0 | 5 | 5 | 5 | ||
Spleen | O121:H7 | 5 | 5 | 5 | 0 | 0 | 5 | 5 | 5 | |
Air sac | O20 | 5 | 5 | 5 | 0 | 0 | 5 | 5 | 5 | |
O128:H2 | 5 | 5 | 5 | 0 | 0 | 5 | 5 | 5 | ||
Total | 113 | 113 | 113 | 23 | 0 | 113 | 113 | 113 |