EN
Research was carried out in 15 provinces of the Western Poland from 1994 to 1997. The muscle samples of 1395 foxes were examined using two methods - trichinoscopy and digestion. Foxes infected with Trichinella sp. were found in 9 provinces. The average prevalence rate in these provinces was 2,29%. Some regional differences of the infection rates were observed. Foxes were infected at a higher than average rate in the Katowice (5.4%), Słupsk (5.7%), Szczecin (4.57%), Zielona Góra (4.0%) and Bielsko (4.54%) regions.