PROBLEM TO BE SOLVED: To provide an improvement agent of meat quality for livestock which shows high meat quality improvement effects, which does not deteriorate easily and can be stably stored for extended periods and for which the starting materials can be easily procured, and a feed for improving meat quality made therefrom.SOLUTION: This improvement agent for meat quality of livestock is made from modified soybeans. Whole fat soybeans to which sugars are added are heated, the content of neutral detergent fibers increases compared to before heating, the digestibility of fats by the livestock compared to before heating is increased, and the progression of oxidation of fats is prevented.SELECTED DRAWING: None【課題】 高い肉質改善効果を示し、且つ、劣化しにくく長期間安定して保存することができ、入手し易い原材料からなる家畜動物用肉質改善剤、及びこれよりなる肉質改善用飼料を提供する。【解決手段】 糖類を全脂大豆に添加して加熱し、中性デタージェント繊維の含有率が加熱前に比べて増加した、家畜動物における脂質消化率が加熱前に比べて高く、且つ、脂質の酸化促進を防止した変性大豆からなる家畜動物用肉質改善剤。【選択図】 なし
