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Table 1 The distribution of the 30 wild boar populations in the respective risk factor category, based on the answers in a questionnaire that accompanied the samples

From: Distribution of enteropathogenic Yersinia spp. and Salmonella spp. in the Swedish wild boar population, and assessment of risk factors that may affect their prevalence

Risk factors Number (%) of populations in each category
Feeding intensity (feeding places/10 km2)
 < 3 7 (23.3)
 3–5 15 (50.0)
 5–10 3 (10.0)
 > 10 5 (16.7)
Years since establishment of population (years)
 < 3 1 (3.3)
 3–5 3 (10.0)
 5–7 4 (13.3)
 7–10 5 (16.7)
 > 10 17 (56.7)
Yearly harvest/10 km2 (animals)
 < 5 6 (20.0)
 5–15 12 (40.0)
 15–30 3 (10.0)
 30–50 5 (16.7)
 > 50 4 (13.3)
Handling of slaughter waste
 Made unavailable for wild boars 11 (36.7)
 Left out in the forest 19 (63.3)