Table 1.
Prevalence of CNS in milk, meat, equipment, and personnel samples collected from dairy farm and abattoir settings in five locations of central Oromia, Ethiopia.
| Examined (n) | Negative (n) | Positive (n) | Prevalence (%) | χ2; p-value | ||
|---|---|---|---|---|---|---|
| Area | Addis Ababa | 193 | 169 | 24 | 12.4 | 5.3; p = 0.26 |
| Assela | 181 | 160 | 21 | 11.6 | ||
| Holeta | 194 | 175 | 19 | 9.8 | ||
| Bushoftu | 253 | 233 | 20 | 7.9 | ||
| Adama | 180 | 168 | 12 | 6.7 | ||
| Source | Abattoir | 487 | 432 | 55 | 11.3 | 3.1; p = 0.07 |
| Dairy farm | 514 | 473 | 41 | 8.0 | ||
| Sample type | Butchers' nasal swab | 15 | 12 | 3 | 20.0 | 10.9; p = 0.36 |
| Slaughter line swab | 37 | 30 | 7 | 18.9 | ||
| Butchers' hand swab | 37 | 32 | 5 | 13.5 | ||
| Milkers' nasal swab | 17 | 15 | 2 | 11.8 | ||
| Meat/Carcass swab | 361 | 323 | 38 | 10.5 | ||
| Udder milk | 297 | 270 | 27 | 9.1 | ||
| Tank swab | 50 | 46 | 4 | 8.0 | ||
| Bucket swab | 50 | 47 | 3 | 6.0 | ||
| Tank milk | 50 | 47 | 3 | 6.0 | ||
| Knife swab | 37 | 35 | 2 | 5.4 | ||
| Milkers' hand swab | 50 | 48 | 2 | 4.0 | ||
| Total | 1001 | 905 | 96 | 9.6 |