Lesion Distribution and Epidemiology of Mycobacterium bovis in Elk and White-Tailed Deer in South-Western Manitoba, Canada

Table 1

Zone specific prevalence of M. bovis in elk and deer from south-western Manitoba from 1997 to 2010.

		Outside^b			Eastern Surveillance Zone			Central Surveillance Zone			Western Control Zone
Species	Sampling Year^a	Prevalence (%)	95% CI	No.; Tested	Prevalence (%)	95% CI	No.; Tested	Prevalence (%)	95% CI	No.; Tested	Prevalence (%)	95% CI	No.; Tested
	1997/1998	0	0–65.76	2	0	0–4.87	75	0	0–11.0	31	0	0–11.35	30
	1998/1999	0	0–13.32	25	0.81	0.14–4.43	124	1.72	0.31–9.1	58	0	0–5.13	71
	1999/2000	0	0–6.02	60	1.37	0.24–7.36	73	0	0–6.02	60	1.85	0.33–9.77	54
	2000/2001	0	0–3.26	114	0	0–2.12	177	0	0–3.47	107	2.99	1.29–6.82	167
	2001/2002	0	0–4.42	83	0	0–4.01	92	0	0–11.03	31	0.00	0–5.58	65
	2002/2003	0	0–2.96	126	0	0–2.26	166	0	0–6.02	60	6.85	3.76–12.15	146
Elk	2003/2004	0	0–3.89	95	0	0–1.83	206	0	0–5.35	68	2.46	1.06–5.64	203
	2004/2005	0.55	0.1–3.05	182	0	0–4.28	86	0	0–15.5	21	3.01	1.18–7.48	133
	2005/2006	0	0–1.62	233	0	0–5.92	61	0	0–5.5	66	1.64	0.29–8.72	61
	2006/2007	0	0–2.87	130	0	0–4.87	75	0	0–11.35	30	3.16	1.08–8.88	95
	2007/2008	0	0–3.43	108	0	0–6.42	56	0	0–27.75	10	4.39	1.89–9.86	114
	2008/2009	0	0–4.53	81	0	0–25.9	11	0	0–27.75	10	1.09	0.3–3.88	184
	2009/2010	0	0–3.56	104	0	0–29.9	9	0	0–4.58	80	1.35	0.24–7.27	74
	1997/1998	0	−0	0	0	0–56.1	3	0	0–56.1	3	0	0–0	0
	1998/1999	0	0–5.5	66	0	0–7.41	48	0	0–12.1	28	0	0–29.9	9
	1999/2000	0	0–10.7	32	0	0–7.71	46	0	0–8.38	42	0	0–29.9	9
	2000/2001	0	0–7	51	0	0–6.21	58	0	0–8.97	39	0	0–11.7	29
	2001/2002	0	0-0.77	494	0	0–6.11	59	0	0–11.03	31	2.86	0.51–14.53	35
	2002/2003	0	0–2.01	187	0	0–6.21	58	0	0–6.53	55	0	0–8.2	43
WTD^c	2003/2004	0	0–3.5	106	0	0–1.84	205	0	0–3.66	101	1.69	0.57–4.84	178
	2004/2005	0	0–0.47	828	0	0–1.41	268	0	0–2.45	153	1.33	0.45–3.85	225
	2005/2006	0	0–0.61	623	0	0–1.79	211	0	0–3.05	122	0	0–2.28	165
	2006/2007	0	0–0.85	448	0	0–2.36	159	0	0–4.69	78	0	0–4.32	85
	2007/2008	0	0–0.97	393	0	0–3.21	116	0	0–13.8	24	0.84	0.15–4.61	119
	2008/2009	0	0–1	380	0	0–2.63	142	0	0–8.97	39	1.31	0.36–4.64	153
	2009/2010	0	0–0.78	488	1.79	0.32–9.5	56	0	0–12.1	28	0	0–5.92	61

^aSampling year refers to period from July to June split over two calendar years.
^bOutside (Outside of Riding Mountain Eradication Area [RMEA]).
^cWhite-tailed deer.