水产饲料的蛋白源大多来自鱼粉。然而，鱼粉价格昂贵．货源没保证。最近，新开发了烧酒糟残液干燥物（DGS）蛋白源。它是生产酒精的副产物，产量大、质量稳定。应用在肉用仔鸡、火鸡、肉牛、奶牛和犬饲料中，均已取得良好的效果。肯塔基大学研究人员在美洲鲶饲料中配合35－40％ Aquaculture protein sources mostly come from fishmeal. However, fishmeal is expensive. Supply is not guaranteed. Recently, a source of dried shochu residue (DGS) protein has been newly developed. It is a by-product of the production of alcohol, yield, quality and stability. Used in meat chickens, turkeys, beef cattle, dairy cows and canine feed, have achieved good results. University of Kentucky researchers in the catfish feed with 35-40%