Figure 3From: A 38-year study on Trichinella spp. in wild boar (Sus scrofa) of Latvia shows a stable incidence with an increased parasite biomass in the last decade Prevalence of Trichinella spp. in hunted wild boar and snow cover days in Latvia. Number of snow cover days from 1976 to 2013, solid line; Trichinella spp. infected/hunted wild boar × 100, line with black circles.Back to article page