|
Risk factors |
Number of animals examined |
No. of isolates (Prevalence) |
| E. coli |
E. coli O157:H7 from isolated E. coli |
| Breed |
|
|
|
| Local |
109 |
32 (29.35%) |
0 |
| Cross |
4 |
3 (75%) |
3 (100%) |
| p-value |
|
0.73 |
0.73 |
| χ2 |
|
0.11 |
0.11 |
| Age |
|
|
|
| 1-3 years |
21 |
9 (42.85%) |
2 (22.2%) |
| 4-6 years |
56 |
16 (28.6%) |
0 |
| ≥ 7 years |
36 |
10 (27.7%) |
1 (10%) |
| p-value |
|
0.425 |
0.07 |
| χ2 |
|
1.71 |
5.28 |
| Origin |
|
|
|
| Chalanko |
31 |
7 (22.6%) |
0 |
| Kulubi |
34 |
9 (26.8%) |
2 (22.2%) |
| Water |
8 |
4 (50%) |
0 |
| Kersa |
34 |
12 (35.3%) |
1 (8.3%) |
| Haramaya |
6 |
3 (50%) |
0 |
| p-value |
|
0.404 |
0.644 |
| χ2 |
|
4.011 |
2.56 |
| Total |
113 |
35 (30.97%) |
3 (8.57%) |
|
