二、配合饲料的配制1.配方与选料编制配方与选择原料是决定配合饲料质量的关键环节。配制时既要根据鱼类营养要求,使配合饲料有较高的营养价值,同时更要考虑原料的来源和经济效益。(1)根据鱼类营养生理特点,编制配方要注意以下几点:①可消化营养物质的总量;②蛋白质氨基酸的平衡;③维生素和矿物质的保证; Second, with the preparation of feed 1 formula and choice of materials Preparation formula and selection of raw materials is to determine the quality of the key links with feed. When formulated according to the nutritional requirements of fish, so that the feed has a higher nutritional value, but also have to consider the source of raw materials and economic benefits. (1) According to the nutritional and physiological characteristics of fish, the formula should pay attention to the following points: ① total digestible nutrients; ② protein amino acid balance; ③ vitamins and minerals guarantee;