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在高密度的养殖情况下，天然饲料很少，故必须重视人工饲料的配制，要做到营养全面、比例合理，才能促使鱼健康生长。否则不仅会影响鱼的生长，严重时更能引起鱼 发病甚至死亡。 一、蛋白质不足或过多蛋白 质是鱼类生长最重要的物质，如饲料中蛋白质充足，且各种氨基酸搭配合适
In the case of high-density farming, natural feed is very small, it must pay attention to the preparation of artificial diet, to achieve complete nutrition, a reasonable proportion in order to promote the healthy growth of fish. Otherwise, it will not only affect the growth of fish, but also lead to fish’s occurrence or even death in serious cases. First, the protein is not enough or too much Protein is the most important fish growth, such as feed protein, and a variety of amino acids with the right