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用分别添加了 ０、５０、１００、１５０、２００、２５０ ｍｇ／ｋｇ饲料纯肉毒碱的饲料饲养相同的鲤夏花鱼种，比较鱼对每种饲料脂肪的消化率。结果表明：肉毒碱具有明显的促进鲤饲料脂肪消化的作用，并且添加量在 １００ ｍｇ．ｋｇ时促消化作用最好。
The same common carp species were fed with feeds supplemented with 0, 50, 100, 150, 200, 250 mg / kg pure carnitine, respectively, to compare fish digestibility for each feed fat. The results showed that carnitine could obviously promote the digestion of fat in the feed of carp, and the dosage was 100 mg. kg when promoting digestion best.