One specific reason for the growth depression due to Met+Cys deficiency can be seen in the chemical body composition, like in the lower CP content (Table 5) and in the lower RCP (Tables 3.1 and 3.2). It can be seen that higher CA contents in the total body composition are related to poor growth of turbot and subsequently lower concentrations of CL,
CP and Energy (Table 6), confirmed by Dietz et al. (2012) and Nagel et al. (2012)