Table 2.
Proportions of Staphylococcus species isolated (n = 92) from dairy farms and abattoirs in Addis Ababa, Ethiopia
| Sample source | Sample type | S. aureus N (%) | S. intermedius N (%) | S. hyicus N (%) | CNS N (%) | Total N (%) |
|---|---|---|---|---|---|---|
| Abattoir | AHS | 0 (0.0) | 0 (0.0) | 0 (0.0) | 1 (16.7) | 1 (16.7) |
| KS | 2 (33.3) | 2 (33.3) | 1 (16.7) | 0 (0.0) | 5 (83.3) | |
| SLS | 2 (33.3) | 0 (0.0) | 0 (0.0) | 3 (50.0) | 5 (83.3) | |
| CS | 12 (11.7) | 13 (12.6) | 9 (8.7) | 11 (10.7) | 45 (43.7) | |
| Farm | BS | 2 (25.0) | 0 (0.0) | 0 (0.0) | 1 (12.5) | 3 (37.5) |
| FHS | 2 (25.0) | 1 (12.5) | 1 (12.5) | 1 (12.5) | 5 (62.5) | |
| TM | 2 (25.0) | 0 (0.0) | 1 (12.5) | 1 (12.5) | 4 (50.0) | |
| TS | 1 (12.5) | 1 (12.5) | 0 (0.0) | 2 (25.0) | 4 (50.0) | |
| UM | 8 (20.0) | 4 (10.0) | 4 (10.0) | 4 (10.0) | 20 (50.0) | |
| Total | 31 (16.1) | 21 (10.9) | 16 (8.3) | 24 (12.4) | 92 (47.7) | |
| χ2 (P value) | 7.2 (0.5) | 6.9 (0.5) | 3.6 (0.9) | 10.4 (0.2) | 10.2 (0.2) |
AHS hand swab from abattoir, CNS coagulase negative Staphylococcus, KS knives swab, SLS slaughter line swab, CS carcass swab, BS bucket swab, FHS hand swabs from farm, TM tanks milk, TS tanks swab, UM udder milk, N number