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水产动物的生活环境、采食习惯和消化系统特点等与陆上动物的差异甚大，因而水产饲料的质量要求与其它动物饲料的质量要求有较多的不同之处。特别对饲料的原料粒度、耐水性、漂浮性、颗粒直径、诱食性等物理特性、水产饲料有特殊的要求。１原料粒度１．１合适粒度有利于提高饲
Aquatic animal living environment, eating habits and digestive system characteristics and land-based animals vary widely, so the quality requirements of aquafeeds and other animal feed quality requirements have more differences. In particular, raw materials feed particle size, water resistance, flotation, particle diameter, attractant and other physical properties, aquatic feed has special requirements. A raw material size 1.1 The appropriate size is conducive to raising feed