TY JOUR TI MODERN GENETICALLY IMPROVED BREED OF TILAPIA KW recycling aquaculture systems KW Nile tilapia KW breed GIFT KW broodstock KW feed conversion JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Mikhaylichenko, D.. AU Kurakin, I.. AU Ponomarev, S.. PY 2015 IS 2015 PB Astrakhan State Technical University