Table 2 Occurrence of Salmonella in poultry farms stratified by selected factors
Selected Factors | No. of farms | No. of Salmonella positive farms | % of farms positive for Salmonella | p-value* |
|---|---|---|---|---|
Commodity type | ||||
Layers | 43 | 7 | 16.3 | 1.000 |
Broilers | 5 | 0 | 0 | |
Use of disinfectants | ||||
Yes | 26 | 6 | 23.1 | 0.106 |
No | 22 | 1 | 4.5 | |
Age of birds in months | ||||
< 2 | 8 | 0 | 0 | 0.608 |
2–6 | 17 | 4 | 24 | |
7–12 | 13 | 2 | 15.4 | |
> 12 | 10 | 1 | 10 | |
Flock size | ||||
< 1000(Small) | 22 | 2 | 9.1 | 0.648 |
1000–5000(Medium) | 17 | 3 | 17.7 | |
> 5000(Large) | 9 | 2 | 22.2 | |
Poultry housing system | ||||
Floor | 42 | 5 | 11.9 | 0.206 |
Cage | 6 | 2 | 33.3 | |