TY JOUR TI DYNAMICS OF PARASITOFAUNA OF DIFFERENT AGE GROUPS OF IDE LEUCISCUS IDUS (L. 1758) OF LOWER IRTYSH KW ide Leuciscus idus KW parasitofauna KW age dynamics KW invasion extensiveness KW invasion intensity KW the Lower Irtysh JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Liberman, E.. AU Volosnikov, G.. PY 2021 IS 2021 PB Astrakhan State Technical University