All ingredients should be first ground so as to pass through a 0.25mm sieve (for premixes and starter rations) and a 0.354/0.5mm sieve forfingerling and production diets. 3 Starter: 0–5g fish; Fingerling 5–50g fish; Production 50–250g fish. Starter feeds should be prepared as 0.5 and 1mm crumbles, fingerling feeds as 1.5mm–3mm crumbles