%0 Journal Article %T ANNUAL VARIABILITY OF ACIPENSER RUTHENUS MARSIGLII PARASITES IN LOWER RICHES OF IRTYSH RIVER %A Voropaeva, E.. %A Liberman, E.. %K parasitofauna, Acipenser ruthenus marsiglii, sturgeon species, the Lower Irtysh, Trypanoplasma acipenseris, Haemogregarina acipenseris, Acrolichanus auriculatum, Capillospirura ovotrichuria %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2020 %N 2020 %P 7 %I Astrakhan State Technical University