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

Table 3

Distribution of bTB among cattle of different age groups in Bauchi State, Nigeria.

Age (years)	Number sampled	Number of ZN positive (%)	Prevalence	OR (95% CI)
3–5	27	4 (14.81)	3.33	1
6–8	41	16 (39.02)	13.33	3.680 (1.072–12.630)
9–11	52	15 (28.85)	12.50	2.331 (0.688–7.892)
Total	120	35	29.16

Significant at 95% CI; = 4.623; df = 2.