Bovine Tuberculosis and Brucellosis in Traditionally Managed Livestock in Selected Districts of Southern Province of Zambia

Table 4

Distribution of tuberculosis cattle reactors by district at ≥3 mm cutoff (2008).

District	Total tested	BTB tuberculin reactors (mm)			Avian reactors (4 mm) ((Av72 − Av0) − (Bov72 − Bov0))	Average skin thickness; (Bov0 + Av0/2)
		((Bov72 − Bov0) − (Av72 − Av0))
		Negative; (<1 mm) %	Inconclusive (+1–+2 mm) %	Positive; (≥3 mm) %
Itezhitezhi	102	81.2; (73.2–89.2)	16.7; (9.3–24.0)	2.1; (0.0–4.9)	23.1; (14.5–31.6)	10.4; (9.6–10.7)
Monze	176	69.3; (62.8–75 8)	20.2; (13.9–26.6)	10.4; (5.8–15.0)	22.4; (16.3–28.5)	10.5; (10.8–11.9)
Namwala	181	84.0; (76.3–91.7)	13.3; (6.0–20.6)	2.6; (0.0–6.3)	41.8; (0.0–84.0)	11.4; (10.8–11.9)
All districts	459	76.0; (71.4–80.7)	17.7; (13.4–21.9)	6.3; (3.8–8.8)	28.0; (15.7–40.2)	10.8; (10.5–11.1)