The apparent digestibilities of protein and amino acids in six common feed ingredients for largemouth bass were determined by the indirect method using Cr2O3 as a marker.

• 本试验用Cr2O3 间接测定法测定了加州鲈对秘鲁鱼粉、国产鱼粉、豆粕、麦麸、次粉、酵母粉等6种常用饲料中蛋白质和氨基酸的表观消化率。