TY JOUR TI METHODS FOR THE TREATMENT OF BREEDERS OF COMMON PIKE PERCH SANDER LUCIOPERCA (LINNAEUS, 1758) AFTER THE SPAWNING CAMPAIGN IN THE POND KW walleye KW Sander lucioperca KW producers KW probiotic KW antibiotic KW disease KW oral administration JO Fisheries AU Khorosheltseva, V.N. AU Poluyan, A.Y. AU Gorbenko, E.V. AU Pavlyuk, A.A. AU Grinchenko, M.A. PY 2020 IS 2020 PB FSBI "TSUREN"