发展淡水养鱼,实现高产稳产,最重要的物质基础是提供充足的鱼饲料。随着淡水养鱼面积的迅速增加以及密放精养高产措施的普遍推行,对鱼用饲料的数量和质量都提出了新要求,如不很好解决,要 The most important material basis for developing freshwater fish farming and achieving high and stable yields is to provide adequate supplies of fish. With the rapid increase in the area of ​​freshwater fish farming and the universal implementation of intensive high-yielding measures, new requirements have been put forward on the quantity and quality of fish feed, and if not solved very well,