Research Article
Epidemiology of Avian Tuberculosis in Selected Districts of Oromia Region, Ethiopia
Table 3
Postmortem gross pathological lesions in positive chickens with their breed, sex, and origin.
| Variables | Category | Percentage of positive reactor chickens to the avian PPD, % (N) | Percentage of reactor chickens positive for postmortem gross lesions, % (N) |
| Sex | Male | 6.5 (2) | 11.1 (1) | Female | 93.5 (29) | 88.9 (8) |
| Breed | Local | 90.3 (28) | 77.8 (7) | Exotic | 3.2 (1) | 11.1 (1) | Cross | 6.5 (2) | 11.1 (1) |
| Altitude | Highland | 19.4 (6) | 22.2 (2) | Midland | 41.9 (13) | 33.3 (3) | Lowland | 38.7 (12) | 44.4 (4) |
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