Table 5.
Number of samples positive for rifampicin-resistant mcr-1-positive E. coli and number of mcr-1-positive lysates.
| Group (strain) | Jejunum | Ileum | Colon | Cecum | Rectum | Total (organs) | Total (pigs) | |
|---|---|---|---|---|---|---|---|---|
| G2 (12-246 M) | Culture PCR |
0/8a 1/8 |
5/8 5/8 |
3/8 1/8 |
4/8 4/8 |
1/8 1/8 |
13/48 12/48 |
6/8 6/8 |
| G3 (12-269 M) | Culture PCR |
0/8 0/8 |
1/8 1/8 |
1/8 0/8 |
0/8 0/8 |
1/8 1/8 |
3/48 2/48 |
3/8 2/8 |
| G4 (13-220 M) | Culture PCR |
0/8 0/8 |
4/8 7/8 |
5/8 4/8 |
4/8 4/8 |
4/8 0/8 |
17/48 15/48 |
6/8 7/8 |
All samples from non-inoculated pigs were negative.
a
Number of positive samples/number of tested samples.