PROBLEM TO BE SOLVED: To provide tuna farmed fish in which vitamin E is enriched, to provide applications thereof, and to provide breeding methods thereof.SOLUTION: The present invention provides tuna farmed fish in which at least one selected from the group consisting of muscle, liver, and eyeball comprises 2 mg/100 g or more of vitamin E； the edible portion of tuna farmed fish and heating or non-heating foods comprising the edible portion of tuna farmed fish； and a breeding method of tuna farmed fish comprising feeding a compound feed which comprises an internal capsule and a coat for at least 60 days continuously, the internal capsule containing fish meal and oils and fats, and the coat which wraps the internal capsule being at least one heating gel selected from the group consisting of a protein and a starch, wherein the vitamin E content in the internal capsule is 500 ppm or more to the entire feed.SELECTED DRAWING: None【課題】ビタミンＥが富化されたマグロ類養殖魚及びその用途、並びにその飼育方法の提供。【解決手段】筋肉、肝臓及び眼球からなる群より選択される少なくとも１つが１００ｇあたり２ｍｇ以上のビタミンＥを含む、マグロ類養殖魚；マグロ類養殖魚の可食部及び可食部を含む加熱又は非加熱食品；並びに、魚粉及び油脂含む内包と、内包を包み、且つ、タンパク質及びデンプンからなる群より選択される少なくとも１つの加熱ゲルである外皮と、を含み、内包におけるビタミンＥ含有量が飼料全体に対して５００ｐｐｍ以上である配合飼料を、少なくとも６０日間継続して給餌することを含むマグロ類養殖魚の飼育方法。【選択図】なし
