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当前位置: 首页 > 文章 > 饲料脂肪水平与黄颡鱼幼鱼生长、体营养成分及肌肉脂肪酸组成的关系 饲料工业 2020 (12) 50-55
Position: Home > Articles > The relationship between feed fat level and growth, body nutrients composition and muscle fatty acid composition of juvenile yellow catfish Feed Industry 2020 (12) 50-55

饲料脂肪水平与黄颡鱼幼鱼生长、体营养成分及肌肉脂肪酸组成的关系

作  者：
冯鹏霏;何金钊;马华威;潘传燕;滕云;孔丽芳;陈涛
单  位：
关键词：
脂肪水平;黄颡鱼幼鱼;生长;体营养成分;脂肪酸组成
摘  要：
为研究饲料脂肪水平对黄颡鱼幼鱼生长性能及肌肉脂肪酸组成的影响,配制不同脂肪水平的颗粒饲料饲喂幼鱼,在基础饲料中分别添加0%、2%、3.5%、5%、6.5%的豆油,配制成5组颗粒饲料分别饲喂5组黄颡鱼幼鱼60 d。结果表明:①3、4、5组黄颡鱼幼鱼增重率显著高于1、2组(P<0.05);②各试验组鱼肌肉脂肪酸组成和饲料有较大的相关性及差异性,随着饲料脂肪水平的提高,各组鱼体肌肉与各组饲料中的SFA和MUFA相对含量迅速降低,C182n6、C205n3、PUFA和HUFA则均迅速提升;各组鱼体肌肉组织中的SFA、MUFA相对含量高于相应饲料中同类脂肪酸,而PUFA及n-6 PUFA则低于相应饲料;③C182n6相对含量以5组最高(14.36%);1组鱼体肌肉C205n3(0.77%)相对含量显著低于其他各组(P<0.05);综合各项生长指标,4、5组黄颡鱼幼鱼生长性能较好;鱼体中还可能存在C181n9向C161n7和C181n7的转化。
译  名：
The relationship between feed fat level and growth, body nutrients composition and muscle fatty acid composition of juvenile yellow catfish
作  者：
Feng Pengfei;He Jinzhao;Ma Huawei;Pan Chuanyan;Teng Yun;Kong Lifang;Chen Tao;
关键词：
fat level;;juvenile yellow catfish;;growth;;body nutrients;;fatty acids composition
摘  要：
The aim of this study was to investigate the effect of different fat levels on the growth,body nutrition and fatty acids composition of juvenile yellow catfish of 60 day-culture period through conducting a experimental design of addition of 0%,2%,3.5%,5%,and 6.5% of soybean oil in the basal diet,respectively,and corresponding five groups were set.The results showed that the weight gain in3 th,4 th,and 5 th groups was significantly higher than those of 1 th and 2 th groups(P<0.05).There was a great relation and difference in the fatty acid composition between feed and fish muscle.As addition of fat level increased,the relative contents of SFA and MUFA in both fish muscle and the feed decreased rapidly,and the relative contents of C18:2 n6,C20:5n3,PUFA and HUFA increased rapidly.The relative content of SFA and MUFA in fish muscle was higher than those of feed.However,the relative contents of PUFA and n-6 PUFA in fish muscle were lower than those of the feed.Additionaly,the highest relative content of C18:2 n6 was situated in 5 th group and the value was 14.36%,and the lowere relative content of C20:5n3(0.77%) was detected in 1 th group.This current study showed that the growth performance of fish in 4 th and 5 th groups was better than other groups.There may be a conversion of C18:1 n9 to C16:1 n7 and C18:1 n7 in the fish body.

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