Table 3.
Number of ESBL/AmpC-producing E. coli (CFU/g) obtained from MC+ agar and Gassner agar from pooled feces and pooled dust samples
| Sample type and statistic | No. of ESBL/AmpC-producing E. coli (CFU/g) obtained with: |
|||||
|---|---|---|---|---|---|---|
| MC+ agar |
Gassner agar |
|||||
| 1st samplinga (n = 6) | 2nd sampling (n = 7) | 3rd sampling (n = 7) | 1st sampling (n = 4) | 2nd samplingb (n = 6) | 3rd samplingc (n = 6) | |
| Pooled feces | ||||||
| Minimum | 7.13E+04 | 2.80E+04 | 3.97E+03 | 2.82E+05 | 8.00E+05 | 3.00E+05 |
| Median | 1.48E+06 | 1.69E+06 | 1.79E+06 | 6.39E+05 | 2.07E+06 | 7.30E+05 |
| Mean | 1.60E+07 | 4.48E+05 | 6.90E+06 | 1.01E+06 | 1.25E+08 | 1.22E+06 |
| Geometric mean | 2.00E+06 | 1.35E+06 | 7.65E+05 | 7.20E+05 | 5.24E+06 | 7.86E+05 |
| Maximum | 8.50E+07 | 1.86E+06 | 2.36E+07 | 2.49E+06 | 7.34E+08 | 4.00E+06 |
| Pooled dust | ||||||
| Minimum | 0.00E+00 | 0.00E+00 | 0.00E+00 | 0.00E+00 | 1.36E+03 | 3.30E+02 |
| Median | 0.00E+00 | 8.33E+03 | 1.00E+03 | 0.00E+00 | 2.60E+04 | 5.30E+03 |
| Mean | 6.29E+03 | 5.81E+03 | 3.90E+04 | 1.50E+02 | 2.52E+04 | 4.72E+04 |
| Geometric mean | 4.40E+04 | 5.04E+03 | 2.22E+03 | 6.00E+02 | 1.20E+04 | 6.04E+03 |
| Maximum | 4.40E+04 | 1.26E+04 | 1.67E+04 | 6.00E+02 | 4.83E+04 | 2.12E+05 |
a
For the pooled dust sampling, n = 7.
b
For the pooled dust sampling, n = 3.
c
For the pooled dust sampling, n = 5.