This value is higher for O. aureus (10 and 25 mg/kg of diet at 3 and 6% dietary lipid, respectively, or 3 to 4 mg vitamin E per percent of corn oil) and for hybrid tilapia (O. niloticus×O. aureus) (42–44 mg/kg and 60–66 mg/kg in diets containing 5% and 12% lipid, respectively).