An Effort to Isolate Mycobacterium bovis from Environmental Substrates during Investigations of Bovine Tuberculosis Transmission Sites (Cattle Farms and Wildlife Areas) in Michigan, USA

Table 5

Mycobacterial culture results of environmental substrates collected from potential wildlife bovine tuberculosis transmission sites.

	Total	AFB + (%)	Contamination + (%)
Pasture and vegetation	17	1 (6%)	4 (24%)
Soil	24	2 (8%)	5 (21%)
Open water	22	0 (0%)	0 (0%)
Wildlife feces	5	0 (0%)	1 (20%)
Deer feces	28	0 (0%)	0 (0%)
Grain	1	0 (0%)	1 (100%)
	97	3 (3%)	11 (11%)