Table 4.

Reports of Baylisascaris transfuga in free-ranging and captive bears in North America.

Host	Location	Captive/Wild	No. infected/no. examined (%)	Method of detection	Source
Brown bear (Ursus arctos)	Northwest Territories, Canada	Wild	3/56 (5)	Fecal flotation	Gau et al., 1999
	Wyoming and Montana, USA	Wild	53/70 (76)	Necropsy	Worley et al., 1976
	Canada	Wild	16/21 (76)	Necropsy	Choquette et al., 1969
	Alaska, USA	Wild	0/28 (0)	Fecal flotation	Schaul, 2006
	British Columbia and Alberta, Canada	Wild	7/13(54)	Necropsy	Catalano et al., 2015
Black bear (Ursus americanus)	Florida, USA	Wild	5/22 (23)	Necropsy	Foster et al., 2004
	New York, USA	Wild	17/55 (31)		King et al., 1960
	Minnesota and Michigan, USA	Wild	5/9 (56)	Necropsy	Rogers, 1975
	Wisconsin, USA	Wild	59/92 (64) 25/29 (86)	Fecal Flotation Necropsy	Manville, 1978.
	Wyoming and Montana, USA	Wild	24/30 (80)	Necropsy	Worley et al., 1976
	Minnesota, USA	Wild	1/1 (100)(august)	Necropsy	Barnes and Rogers, 1980
	Southeastern USA	Wild	28/53 (53)	Necropsy	Crum et al., 1978
	New Brunswick, Canada	Wild	1/12 (8)	Necropsy	Duffy et al., 1994
	Alberta, Canada	Wild	35/56 (62)	Necropsy	Dies, 1979
	Quebec, Canada	Wild	17/80 (21)	Fecal flotation	Frechette and Rau 1978
	Quebec, Canada	Wild	38/168(23) 2/21(10)	Fecal flotation Necropsy	Frechette and Rau 1978
	Ontario, Canada	Wild	20/83(24)		Addison et al., 1978
	British Columbia and Alberta, Canada	Wild	24/40(60)	Necropsy	Catalano et al., 2015
	Northwest Territories, Canada	Wild	12/27 (44) 18/28 (64)	Fecal flotation Necropsy	Johnson et al., 2013
Polar bear (U. maritimus	Massachusetts, USA	Captive	1/1(100)	Necropsy	McOrist et al., 2002
U. arctos, U. maritimus	California, USA	Captive	2/3 (66)		Abdel-Rasoul and Fowler, 1979
Various	USA, various	Captive	125/260 (48)	Fecal flotation	Schaul, 2006