| Bacteria | Number of bacteria isolated | Percentage (%) |
| Staphylococcus aureus | 82 | 20.5 |
| Escherichia coli | 53 | 13.3 |
| Klebsiella pneumoniae | 35 | 8.8 |
| E. coli and Staphylococcus aureus | 16 | 4 |
| Pasteurella multocida | 5 | 1.3 |
| Streptococcus pneumoniae | 18 | 4.5 |
| Bacillus species | 15 | 3.8 |
| Proteus species | 26 | 6.5 |
| No bacterial growth | 150 | 37.5 |
| Total | 400 | 100 |