The ideal pattern of amino acids of growth (Relative to Lys) was Lys100,Met27,Thr72,Try11,Ile70,Arg110, respectively.

• 3~6 周龄北京鸭生长的氨基酸组成模式为:赖氨酸100,蛋氨酸27,苏氨酸72,色氨酸11,异亮氨酸70,精氨酸110。