Replacement of fishmeal with poultry by-product meal in the diet of Florida pompano Trachinotus carolinus L.

► Poultry by-product meal based, fishmeal-free diets for Florida pompano. ► Fishmeal is isonitrogenously replaced with poultry by-product meal in 40% CP diets. ► Methionine and lysine are not causative factors of reduced growth performance. ► Taurine supplementation (0.75 g/100 g) enhances growth performance of pompano. ► Taurine appears to be conditionally essential in the diet of Florida pompano.