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Mortality rates in layer chickens reared on different farms in Hawssa city, southern Ethiopia.
| Farm | Chicken at risk | Deaths | Chicken months | Incidence rate per 1000 |
|---|---|---|---|---|
| Farm 1 | 798 | 51 | 3868 | 13.19 (95% CI: 9.83, 7.29) |
| Farm 2 | 300 | 3 | 1496 | 2.00 (95% CI: 0.41, 5.85) |
| Farm 3 | 1000 | 0 | 5000 | 0 .00 (95% CI: 0.00, 5.97) |
| Farm 4 | 6878 | 47 | 34,310 | 1.37 (95% CI: 1.01, 1.82) |
| Total | 8976 | 101 | 44,674 | 2.26 (95% CI: 1.84, 2.75) |
