PARAZITERNYE OF WILD DUCKS AND THEIR CHANGE DEPENDING ON HABITATS
In the result of conducted researches it was registered 41 species of helminthes related to the classes of trematoda, cestoda, nematoda and acantocep0hala. Helminthes do not equally allocate in districts. Helminthofauna more various next districts: Braslavskiy, Vitebskiy, Gorodoksky, Miorsky. The most spreading species of North region are: among trematodes - Echinostoma revolutum, Echinoparyphium recurvatum, Hypoderaeum conoideum, Cotylurus cornutus, Notocotylus attenuatus, Catatropis verrucosa; among cestodes - Dicranotaenia coronula, Fimbriaria fasciolaris, Microsomacanthus compressa, Microsomacanthus paracompressa, Microsomacanthus paramicrosoma, Mixolepis collaris, Sobolevicanthus gracilis; among nematodes - Thominx anatis, Amidostomum anseris, Amidostomum acutum, Epomidiostomum anatinum, Ganguleterakis dispar, Tetrameres fissispina.