Preventing the Establishment of a Wildlife Disease Reservoir: A Case Study of Bovine Tuberculosis in Wild Deer in Minnesota, USA

Table 1

Number of deer sampled for bovine tuberculosis (bTB) and testing results listed by sampling strategy, 2005–2010, northwest Minnesota.

Sampling strategy	Surveillance year
	2005	2006	2007	2008	2009	2010	Totals
Hunter-harvested (Oct–Jan)	474	942	1,166	1,246	1,488	1,639	6,955
No. bTB-positive	1	5	5	0	1	0
Apparent prevalence (%)	0.21	0.53	0.43	0.00	0.07	0.00^1
Sharpshooting (Feb–April)			488	937	738	450	2,613
No. bTB-positive			6	6	2	0
Apparent prevalence (%)			1.23	0.64	0.27	0.00
Landowner shooting permit		90		125			215
No. bTB-positive		1		0
Total no. deer tested	474	1,032	1,654	2,308	2,226	2,089	9,783
Total no. bTB-positive	1	6	11	6	3	0	27

¹Final culture results from fall 2010 hunter-harvested sampling are pending.