Table 1 Prevalence and risk factors in foxes (Vulpes spp; n = 749) harvested from Canada

Species

Red fox

41% (36–45)/530

30% (26–34)/548

Arctic fox

21% (16–28)/169

20% (15–27)/171

Unknown species

31% (17–49)/29

23% (12–41)/30

Sex

Male

36% (32–41)/387

27% (23–32)/397

Female

31% (26–37)/293

25% (20–30)/302

Unknown sex

60% (46–73)/48

44% (31–58)/50

Age

Young (≤ 1 year old)

22% (18–27)/370

19% (16–24)/383

Mature (2–4 year old)

37% (30–44)/180

24% (18–30)/187

Older (≥ 5 year old)

64% (52–74)/66

45% (34–57)/66

Unknown age

62% (52–70)/112

50% (41–59)/113

Region

Northern Labrador, NL

34% (21–50)/38

24% (13–39)/38

Central Labrador, NL

38% (18–61)/16

38% (21–57)/24

Western Labrador, NL

38% (25–52)/48

21% (12–34)/48

Ungava Bay, QC

29% (22–36)/154

19% (14–25)/165

Eastern Hudson Bay, QC

65% (54–75)/74

51% (40–62)/75

Côte-Nord, QC

31% (21–43)/64

23% (15–35)/65

James Bay, QC

31% (22–41)/91

26% (18–36)/91

Southern QC

65% (55–74)/89

52% (41–62)/89

Churchill, MB

24% (13–39)/42

19% (10–33)/42

Cambridge Bay, NU

20% (11–35)/40

18% (9–32)/40

Ulukhaktok, NT

10% (5–19)/72

11% (6–20)/72

BCI

1 (no to very little fat)

32% (26–38)/250

25% (20–30)/256

2 (moderate fat)

28% (23–34)/293

21% (16–25)/297

3 (abundant fat)

42% (32–52)/91

30% (22–40)/92

Unknown BCI

64% (54–73)/94

51% (41–60)/104

Total

36% (32–39)/728

27% (24–31)/749