Effect of dietary nutrient composition on compensatory growth of juvenile olive flounder Paralichthys olivaceus using different feeding regimes

Effect of dietary nutrient composition on compensatory growth of juvenile olive flounder, Paralichthys olivaceus using different feeding regimes was determined. Six treatments were prepared in triplicate: fish were daily hand‐fed with the control (C) diet twice a day, 7 days a week, for 8 weeks (8WF‐C); fish were starved for 1 week, and then fed with the C and high protein and lipid (HPL) diets twice a day, 7 days a week, for 7 weeks, referred to as 7WF‐C and 7WF‐HPL, respectively; and fish were starved for 2 weeks, and then fed with the C, HPL and HPL with supplementation of the mixture of amino acids (HPLA) diets twice a day, 7 days a week, for 6 weeks, referred to as 6WF‐C, 6WF‐HPL and 6WF‐HPLA, respectively. Growth of fish in 7WF‐HPL treatment was greater than that of fish in any other treatments. Feed efficiency of fish in 7WF‐HPL, 6WF‐HPL and 6WF‐HPLA treatments was higher than that of fish in 8WF‐C, 7WF‐C and 6WF‐C treatments. The high protein and lipid diet effectively improved compensatory growth of fish. However, supplementation of the mixture of amino acids into the high protein and lipid diet did not improve compensatory growth of fish further.