A 42 d feeding-trial was conducted to evaluate the effects of sfilbene glucoside （tetrahydroxystilbene glucoside, THSG ） on the growth and body color performance of Ictalurus punctatus. Five isonitrigenous diets were formulated to contain 36. 6% protein and 7.3% lipid. THSG was added at four inclusion levels of 0. 33% , 0.67%, 1.33% and 2. 67% （diets A - D）. The control diet didn＇ t contain THSG （diet Ctr）. Weight gain （WG） , Survival and feed conversion ratio（FCR） were not significantly affected when the THSG added except FCR, which...
