Table 1.
Prevalence of STEC in swine samples
| Sample location (city/province) | No. of samples | Type of samples (N, %) | stx positive samples (N, %) | Samples with STEC isolates (N, %) | STEC isolates (N, %) |
|---|---|---|---|---|---|
| Beijing |
523 |
SC (248, 24.73) |
SC (30, 8.55) |
SC (3, 0.85) |
SC (7, 1.99) |
| CC (275, 27.42) |
CC (139, 42.64) |
CC (36, 11.04) |
CC (57, 17.48) |
||
| Chongqing |
326 |
F (326, 32.50) |
F (63, 19.33) |
F (17, 5.21) |
F (23, 7.06) |
| Guizhou |
154 |
SC (103, 10.27) |
SC (8, 2.28) |
SC (4, 1.14) |
SC (4, 1.14) |
| CC (51, 5.08) |
CC (15, 4.60) |
CC (2, 0.61) |
CC (2, 0.61) |
||
| Total |
1003 |
SC (351, 35.00) |
SC (38, 10.83) |
SC (7, 1.99) |
SC (11, 3.13) |
| CC (326, 32.50) |
CC (154, 47.24) |
CC (38, 11.66) |
CC (59, 18.09) |
||
| F (326, 32.50) | F (63, 19.33) | F (17, 5.21) | F (23, 7.06) |
Sample codes: F, fecal samples; CC, colon contents samples; SC, small intestine contents samples. The number (N) and rate (%) are showed in the parentheses.