TY JOUR TI Scientific and methodological approaches and experience of breeding Arctic char on the example of factory cultivation of Ladoga palia Salvelinus lepechini (Gmelin 1788) KW Arctic char KW artificial reproduction KW breeding herds KW producers JO Fisheries AU Nikandrov, V.Y. AU Shindavina, N.I. AU Golod, V.M. AU Lukin, A.A. PY 2021 IS 2021 PB FSBI "TSUREN"