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据分析,软体动物贝壳中含有钙、锶、钴、镁等矿物活性元素约30种,氨基酸10余种,以及多肽、胶原等。这些物质绝大多数是动物生长发育、提高免疫力、增强体质所必需的,如钙、硒、锶、镁、钴等为鱼、虾、蟹的鳞、甲壳及骨骼所必要的元素；锌、镍、磷等为神经系统和生殖系统的重要组分；钾、钠则为循环系统中的电介质。不少养殖经营者深知在饲料配方中添加矿物元素的重要性,但却盲目地加入一些如硫酸锌、硫酸铜、硫酸镁、氯化铁、氯化钴及磷酸钙等无机矿化物作为添加剂, 结果带来了不少副作用。
According to the analysis, mollusk shell contains calcium, strontium, cobalt, magnesium and other minerals about 30 kinds of active elements, more than 10 kinds of amino acids, and peptides, collagen and so on. Most of these substances are necessary for animal growth and development, immunity enhancement and physical enhancement, such as calcium, selenium, strontium, magnesium and cobalt, which are necessary for scales, crustaceans and bones of fish, shrimp and crab; Nickel, phosphorus and other important components of the nervous system and the reproductive system; potassium, sodium is the dielectric in the circulatory system. Many aquaculture operators are well aware of the importance of adding mineral elements to feed formulations but are blindly adding inorganic minerals such as zinc sulfate, copper sulfate, magnesium sulfate, ferric chloride, cobalt chloride and calcium phosphate as additives , The result has brought a lot of side effects.