Occurrence and Risk Factors of Brucellosis in Commercial Cattle Farms from Selected Districts of the Eastern Coast Zone, Tanzania

Table 2

Farm-level seroprevalence of brucellosis reported in 20 commercial dairy farms in selected districts of the eastern coast zone of Tanzania.

Variable	Levels	No. tested	No. positive	Seroprevalence (%)	value
Herd size	Large	3	3	100.0	0.121
	Medium	10	8	80.0
	Small	7	3	43.0
Location	Peri-urban	11	7	63.6	0.492
	Rural	9	7	77.8
Contact with wildlife	No	12	8	66.7	0.690
	Yes	8	6	75.0