Detection of Mycobacterium bovis in Organs of Slaughtered Cattle by DNA-Based Polymerase Chain Reaction and Ziehl-Neelsen Techniques in Bauchi State, Nigeria

Table 4

Overall prevalence of bTB (M. bovis) among various age groups of cattle in Bauchi State, Nigeria.

Age (years)	Number sampled	PCR-positive (%)	Prevalence (%)	OR	95% CI
3–5	27	0 (0.00)	0.00		1
6–8	41	7 (17.07)	5.83	3.363	0.812–13.930
9–11	52	3 (5.77)	2.50
Total	120	10	8.33

= 7.002; ; df = 2; reference value (1).