Diet costs were reported to be Yuan 2.5/kg and Yuan 1.5/kg for the starter and production diets, respectively. Fish are fed by hand using a fixed feeding rate; fry 5–8% body weight/day, 4–5 feedings/day; fingerlings 5% body weight/day, 3– 4 feedings/day; production/broodstock 1–3% body weight/day, 2–3 feedings/day.