Seroprevalence of Infectious Bronchitis Virus in Broiler and Layer Farms of Central Ethiopia

Table 2

Total prevalence of IBV among farm and production types.

Factors	Level	No. of sample	No. of positive	Prevalence (%)		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%

χ²: chi-square.