most complete data on helminth fauna of this bird in the country are generalized in a
monograph by Smogorzhevskaya (1976). This book provides consolidated information on
helminth of all species of birds from different regions of Ukraine studied at that time.
However, works on helminths of birds in Polissia are relatively rare. The fragmentary data on
helminth fauna of Mallard from Polissia were published by Vasylevska (1956). More detailed …