TY JOUR TI FEATURES OF SAPROLEGNIOZA OF PIKEPERCH (SANDER LUCIOPERCA) ROE IN THE VOLGA DELTA KW water KW the delta of the Volga KW factory incubation KW perch eggs saprolegniales fungi KW micromytcetes KW saprolegnioz KW pathogenesis JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Vasilieva, L.. AU Lartseva, L.. AU Obukhova, O.. PY 2017 IS PB Astrakhan State Technical University