Approximately the entire ricin of 2.5 - approximately 6 g/Mcal: To possess metabolizable energy ratio, at the same time (a) the entire arginine: Entire ricin ratio approximately 1.1 - approximately 1.6 the arginine which is, (b) entire isoleucine: Entire ricin ratio approximately 0.8 - approximately 1.3 the isoleucine which is, (c) entire leucine: Entire ricin ratio approximately 1.8 - approximately 3.0 the leucine which is, (d) the entire valine: Entire ricin ratio approximately 0.8 - approximately 1.4 the valine which is, and (e) entire methionine + cystein: The composition and method in order increases the removal fat muscle quantity entire ricin ratio approximately 0.8 - approximately 1.7 by giving the composition which includes the methionine and the cystein which are, to the animal, in the growth period animal, and/or to decrease fat increase.約2.5~約6 g/Mcalの総リシン:代謝エネルギー比を有し、かつ(a)総アルギニン:総リシン比が約1.1~約1.6であるアルギニン、(b)総イソロイシン:総リシン比が約0.8~約1.3であるイソロイシン、(c)総ロイシン:総リシン比が約1.8~約3.0であるロイシン、(d)総バリン:総リシン比が約0.8~約1.4であるバリン、ならびに(e)総メチオニン+シスチン:総リシン比が約0.8~約1.7であるメチオニンおよびシスチンを含む組成物を、動物に与えることにより、成長期動物において除脂肪筋量を増加させ、および/または脂肪増加を低下させるための組成物および方法。
