Place | No. flocks | Total No. samples | No. E.coli isolates | Distribution of O serotype |
Shaanxi | 18 | 310 | 165 | O1, O2, O6, O14, O16, O17, O22, O38, O62, O70, O74, O78, O85, O88, O93, O98, O101, O114, O115, O123, O127, O128, O124, O161 |
Henan | 12 | 238 | 133 | |
Hebei | 9 | 255 | 145 | |
Shanxi | 11 | 242 | 138 | |
Total | 50 | 1045 | 581 |