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随着水产养殖业的发展和配合饲料的推广与应用,养鱼与饲养禽畜业争饲料的矛盾日益加深,致使饲料供应紧张、成本提高。缓和上述矛盾的方法之一是因地制宜开发饲料潜力,如种桑养蚕地区可利用蚕粪桑渣制成配合饲料喂鱼。据测定,蚕粪中含有:粗蛋白14.78％、粗脂肪2.14％、粗纤维19.7％和无氮浸出物44.57％。这些都是鱼类生长发育必需的营养物质,制成的颗粒饲料不但营养价值高、而且还是鱼类的适口饲料。
With the development of aquaculture and the popularization and application of compound feed, the contradiction between feed for fish farming and livestock and poultry farming is deepening, resulting in tight feed supply and increased costs. One of the ways to alleviate the above contradiction is to develop the feed potential according to local conditions. For example, the silkworm mulberry sericulture area can be used to feed the fish with the mixed feed. It was determined that silkworm excrement contains: crude protein 14.78%, crude fat 2.14%, crude fiber 19.7% and nitrogen-free extract 44.57%. These are essential nutrients for fish growth and development, made of pellet feed not only high nutritional value, but also the fish paternity feed.