“…Jian), olive flounder (Paralichthys olivaceus), grass carp (Ctenopharyngodon idella) and tilapia (Oreochromis niloticus × O. aureus), and the requirement levels were 336.1 mg/kg, 165.3 mg/kg, 94.3 mg/kg, 518 mg/kg, 617 mg/ kg, 166 mg/kg and 400 mg/kg, respectively, based on the weight gain rate (Gong et al, 2014;Jiang et al, 2009;Khosravi et al, 2015;Lee, Lee, Lim, & Lee, 2008;Shiau & Su, 2005;Wang et al, 2018;Wen et al, 2007). Jian), olive flounder (Paralichthys olivaceus), grass carp (Ctenopharyngodon idella) and tilapia (Oreochromis niloticus × O. aureus), and the requirement levels were 336.1 mg/kg, 165.3 mg/kg, 94.3 mg/kg, 518 mg/kg, 617 mg/ kg, 166 mg/kg and 400 mg/kg, respectively, based on the weight gain rate (Gong et al, 2014;Jiang et al, 2009;Khosravi et al, 2015;Lee, Lee, Lim, & Lee, 2008;Shiau & Su, 2005;Wang et al, 2018;Wen et al, 2007).…”