TY JOUR TI SEASONAL CHANGES IN THE NOURISHMENT OF BREAM (ABRAMIS BRAMA ORIENTALIS L.) KW nutrition KW diet KW feeding KW intensity of consumption KW general index of the filling of the intestine KW hydrobionts KW crustaceans KW worms KW chironomids KW mollusks JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Kravchenko, E.. PY 2015 IS 2015 PB Astrakhan State Technical University