论文部分内容阅读
试验用Cr2 O3间接测定法测定了银鲈 (BidyanusDidyanus)对秘鲁鱼粉、国产鱼粉、豆粕、酵母、麦麸、次粉等 6种常用饲料原料蛋白质和氨基酸的表观消化率。试验结果表明 ,银鲈对这 6种饲料原料的蛋白质和氨基酸表观消化率均以秘鲁鱼粉和国产鱼粉为最高 ,分别为 86 .2 0 %和89.50 % ,82 .53 %和 88.84% ;豆粕和酵母粉次之 ,分别为 76 .96 %和 85 .54 % ,72 .93 %和 84.37% ;麦麸和次粉为最低 ,分别为 61 .2 3 %和 78.2 0 % ,68.0 6 %和 78.67%。由此可得出 ,银鲈对动物性蛋白原料 (秘鲁鱼粉、国产鱼粉 )的蛋白质和氨基酸的表观消化率均高于植物性蛋白原料 (豆粕、麦麸、次粉 )和单细胞蛋白原料 (酵母 ) ,且差异显著 (P <0 .0 5)。
The apparent digestibility of protein and amino acids in six common feed ingredients such as Peruvian fishmeal, domestic fishmeal, soybean meal, yeast, wheat bran, and secondary meal were determined by indirect Cr2 O3 assay. The results showed that the protein and amino acid digestibilities of silver perch were the highest among Peruvian fishmeal and domestic fishmeal, which were 86.2% and 89.50%, 82.53% and 88.84%, respectively; soybean meal And yeast followed by 76.96% and 85.54%, 72.93% and 84.37%, respectively; wheat bran and flour were the lowest with 61.23% and 78.2%, 68.0% and 78.67%. It can be concluded that the apparent digestibility of protein and amino acids of the animal protein raw material (Peruvian fish meal, domestic fish meal) were higher than that of the plant protein raw materials (soybean meal, wheat bran, secondary meal) and single cell protein raw material (Yeast), and the difference was significant (P <0.05).