Research Article
Seroprevalence of Infectious Bronchitis Virus in Broiler and Layer Farms of Central Ethiopia
Table 3
Prevalence of IBV among different associated risk factors.
| Factors | | No. of sample | No. of positive | Seroprevalence | | value |
| Farm type | Commercial | 230 | 226 | 98.26% | 1.70 | 0.28 | Small holder | 124 | 119 | 95.98% | Breed | Bovans Brown | 145 | 145 | 100% | 6.41 | 0.04 | Cobb 500 | 209 | 200 | 95.69% | Age | Young | 209 | 200 | 95.69% | 6.41 | 0.04 | Adult | 145 | 145 | 100% | Sex | Male | 64 | 64 | 100% | 2.03 | 0.22 | Female | 290 | 281 | 96.89% | Production purpose | Broiler | 209 | 200 | 95.69% | 9.64 | 0.01 | Layer | 145 | 145 | 100% |
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χ2: chi-square.
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