Available Online: http://www.ejpau.media.pl/volume5/issue1/veterinary/abs-03.html
EUCOLEUS CONTORTUS (CREPLIN, 1839) NEMATODE IN MALLARD (ANAS PLATYRHYNCHOS LINNAEUS, 1758) FROM NORTH-WESTERN POLAND
Katarzyna M. Betlejewska, Elżbieta Kalisińska, Vadim V. Kornyushin, Rusłan Salamatin
Eucoleus contortus (Capillariinae, Nematoda) of alimentary tract in birds, was found in a mallard (Anas platyrhynchos L., 1758) from north-western Poland under mucous membrane of esophagus in 55 out of 105 of examined birds (53.4%). The mean index of invasion (Janion’s index of invasion) "Z" was very high and amounted to 2.0. Statistically higher invasion intensity (median – 6, invasion index – 3.45) was found in birds coming from the region of strongly urbanised Szczecin than in birds from “Ujście Warty” National Park (median – 3.5, invasion index – 0.52). Such differences were not observed when grouping birds according to sex, age and year of hunting.
Key words: Eucoleus contortus (Nematoda), intensity and prevalence of infection, mallard Anas platyrhynchos.