Анотація:
139 individuals of Anatidae from six species: Anas platyrhynchos L.. A. domestica,
A. querquedula L., A. crecca L Aythya ngroca Güld. and A. ferina L. were dissected. 20 of the found 35 species of helminths can evoke the diseases among poultry and various fishes. Infestation of Anatidae reaches Ihe highest extent in summer. A high intensity of invasion was observed in Hypoderaeum comoideum, Cotylurus flabelliformis, Nolocaty-lus attenwatus, Diorchis elisae, Diploposthe laevis, Tetrameres fissispina.