Fishmeal replacement with feather‐enzymatic hydrolyzates co‐extruded with soya‐bean meal in practical diets for the Pacific white shrimp (Litopenaeus vannamei), Influence of dietary polar lipids’ quantity and quality on ingestion and assimilation of labelled fatty acids by larval gilthead seabream, The effect of phytase on apparent digestibility of four practical plant feedstuffs fed to striped bass, Morone saxatilis, Dietary inclusion of crystalline D‐ and L‐methionine: effects on growth, feed and protein utilization, and digestibility in small and large Atlantic salmon (Salmon salar L.), Zinc gluconate and zinc sulphate as dietary zinc sources for Atlantic salmon, Growth, feed utilization and body composition of tilapia (Oreochromis sp.) fed with cottonseed meal‐based diets in a recirculating system, Methionine requirement of juvenile Japanese flounder Paralichthys olivaceus estimated by the oxidation of radioactive methionine.