At the start of the growth trial (day 0), individual mean LW was 25.8 g (±3.0 s.d.), resulting in an average tank iLW of 310.0 g (±3.0 s.d.). he turbots were fed once a day until apparent satiation for 56 days. Pellets which still remained in the tank 15 min after feeding were siphoned and counted. Correct feed intakes were determined by taking the average dry pellet weight. Every diet was fed to three random tanks to achieve a triplicate repetition for statistical analysis.