| Sample code | Isolated strains | Number of colonies/ml |
| 6MY | - |
|
| 1R | - |
|
| 5SN | - |
|
| 5P | Klebsiella pneumoniae | 1 × 102 |
| 5N | Escherichia coli | 4 × 101 |
| 4Y | - |
|
| 1B | - |
|
| 5GM | Enterobacter cloacae | 2 × 102 |
| 6P | - |
|
| 5LA | - |
|
| 2SN | - |
|
| 3CF | - |
|
| 5SG | Klebsiella spp. | 3 × 102 |
| Escherichia coli | 4 × 102 | |
| 3BB | - |
|
| 6N | - |
|
| 4F | - |
|
| 6D | - |
|
| 1A | - |
|
| 3F | Escherichia coli | 2 × 102 |
| 5T | - |
|