%0 Journal Article %T CONTAMINATION OF WILD WATERFOWL IN OMSK REGION WITH HELMINTHES %A Penkina, O.L. %A Ushakova, E.L. %A Ivanyushina, A.M. %A Chebotareva, T.Y. %K the fauna of helminthes, wild water-fowl, cestodes, nematodes, trematodes, invasion extensiveness and intensity %J Bulletin of KSAU %D 2017 %N %P 4 %I Krasnoyarsk State Agrarian University