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

From: Are foxes (Vulpes spp.) good sentinel species for Toxoplasma gondii in northern Canada?

   Seroprevalencea (CI95%)/N Tissue prevalence (CI95%)/N
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
  1. N number of individuals tested, CI confidence intervals, BCI body condition index
  2. aIndividuals not tested (no heart fluid) = 21