Keywords Beijing Duck;Breast Muscle;Myogenin;Myostatin;Growth Hormorn;Insulin-like Growth Factor-I;Growth Hormone Release Hormone;

• 北京鸭;胸肌;肌生成素基因;肌细胞抑制素基因;生长激素;胰岛素样生长因子;生长激素释放激素;