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Total prevalence of IBV among farm and production types.
| Factors | Level | No. of sample | No. of positive | Prevalence (%) | χ 2 | p value |
|---|---|---|---|---|---|---|
| Farm type | Commercial | 230 | 226 | 98.26% | 1.7 | 0.28 |
| Small holder | 124 | 119 | 95.98% | |||
| Production type | Broiler | 209 | 201.0 | 96.17% | ||
| Layer | 145 | 144 | 99.31% |
χ 2: chi-square.
