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)