Effects of partial replacement of fish meal by soybean meal in sharpsnout seabream (Diplodus puntazzo) diet

We have studied the possible use of soybean meal (SM) in sharpsnout seabream diets by progressively increasing its inclusion level (0%, 20%, 40% and 60%) at the expense of fish meal in isonitrogenous (45%) and isoenergetic formulated (20 MJ/kg) diets. Fish of two different sizes (48 g and 195 g of initial weight) were kept in seawater tanks (26 °C on average) and fed to satiety until they reached a weight of 118 g and 340 g, after 64 and 91 days...