TY JOUR TI COMPARATIVE ANALYSIS OF HATCHERY-BIOLOGICALAND PHYSIOLOGICAL MEASURES OF PIKE PERCH FRY GROWN IN DIFFERENT CONDITIONS KW pike perch KW industrial method KW spawning-growing farms KW river KW stalls KW juvenile KW linear and weight growth KW physiological parameters KW biochemical researches JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Mishchenko, A.. AU Begmanova, A.. PY 2013 IS 2013 PB Astrakhan State Technical University