微量元素在水产养殖业中是一种不可缺少的添加剂。它对鱼、虾类的生长、发育、繁殖都起着非常重要的作用。然而,在饲料中添加一般的矿物无机盐添加剂,存在适口性差、营养价值低、消化吸收率低等一系列不足。Sherman等报道[1],以无机盐形式存在的微量元素在生物体内的利用通常要 Trace elements are an indispensable additive in aquaculture. It plays a very important role in the growth, development and reproduction of fish and shrimp. However, in the feed to add the general mineral inorganic salt additives, there is poor palatability, low nutritional value, low rate of digestion and absorption and a series of inadequate. Sherman et al [1] reported that the use of trace elements in the form of inorganic salts in the body usually