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当前位置: 首页 > 文章 > 再投喂鱼油对瓦氏黄颡鱼肌肉脂肪酸组成的影响（英文） 水生生物学报 2017,41 (1) 139-145
Position: Home > Articles > RESTORATION OF FLESH FATTY ACID COMPOSITION IN DARKBARBEL CATFISH (PELTEOBAGRUS VACHELLI) USING A FINISHING FISH OIL DIET Acta Hydrobiologica Sinica 2017,41 (1) 139-145

再投喂鱼油对瓦氏黄颡鱼肌肉脂肪酸组成的影响（英文）

作  者：
邵婷;覃川杰;袁登越;文正勇;李华涛
单  位：
四川师范大学生命科学学院;内江师范学院生命科学学院长江上游鱼类资源保护与利用四川省重点实验室
关键词：
瓦氏黄颡鱼;鱼油;豆油;n-3多不饱和脂肪酸;脂肪酸修复
摘  要：
为研究植物油替代鱼油对瓦氏黄颡鱼(Pelteobagrus vachelli)生长及肌肉脂肪组成的影响及重投喂鱼油对瓦氏黄颡鱼肌肉脂肪酸组成的影响,实验以大豆油分别替代饲料中的0(FO)、50(S1)、75(S2)和100%(SO)的鱼油配制等氮、等能的颗粒饲料,每组设置3个平行,养殖80d后,再投喂鱼油30d。结果表明,饲料中添加豆油不会显著影响瓦氏黄颡鱼的增重率、肝体指数和体成分(P>0.05)。随着饲料中大豆油含量的增加,S2和SO组肌肉中C18:1n-9、C18:2n-6和单不饱和脂肪酸比例显著增加(P<0.05),而C20:5n-3,C22:5n-3及n-3/n-6比例显著下降(P<0.05)。再投喂鱼油30d后,SO组肌肉中C18:3n-6、C20:4n-6、Σn-9、Σn-6和S2组中C18:1n-9、Σn-6比例显著下降(P<0.05),而S2和SO组肌肉中Σn-3多不饱和脂肪酸、C20:5n-3和C22:5n-3比例显著增加(P<0.05)。在生产中,可采用先植物油饲料、后鱼油饲料的养殖方式提高瓦氏黄颡鱼肌肉品质(增加有益人类健康的多不饱和脂肪酸)。
译  名：
RESTORATION OF FLESH FATTY ACID COMPOSITION IN DARKBARBEL CATFISH (PELTEOBAGRUS VACHELLI) USING A FINISHING FISH OIL DIET
作  者：
SHAO Ting;QIN Chuan-Jie;YUAN Deng-Yue;WEN Zheng-Yong;LI Hua-Tao;Key Laboratory of Sichuan Province for Fishes Conservation and Utilization in the Upper Reaches of the Yangtze River,College of Life Science, Neijiang Normal University;College of Life Science,Sichuan Normal University;
关键词：
Pelteobagrus vachelli;;Fish oil;;Vegetable oil;;n-3 high unsaturated fatty acids;;Restoration
摘  要：
This study aimed to evaluate the effects of 50%—100% soybean oil on growth performance and flesh fatty acid composition of darkbarbel catfish(Pelteobagrus vachelli), so as to assess the effects of refeeding fish oil(FO) on flesh fatty acid composition. Four isonitrogenous, isolipidic diets, i.e., FO, soybean oil(SO), 50% FO+50% SO(S1), and 25% FO+75% SO(S2), were fed to triplicate groups of 40 juvenile P.vachelli [(1.10±0.12) g] for 80 d. At the end of the 80 d period, all fish were fed with FO for 30 d. The results showed that growth rates, hepatosomatic index(HSI), and proximate composition in darkbarbel catfish were not affected by SO. With increasing SO levels, the percentages of oleic acid, arachidonic acid, and monounsaturated fatty acids significantly increased(P<0.05). However, docosahexaenoic acid(DHA), eicosapentaenoic acid(EPA), highly unsaturated fatty acid(HUFA) levels and n-3/n-6 ratios significantly reduced with dietary SO(P<0.05). After 30 d on FO, flesh levels of DHA, EPA, and Σ n-3 HUFA significantly increased in groups S2 and SO(P<0.05), but not to the same extent as those in the FO-containing groups except S1. The results revealed that it was possible to substitute almost 100% of FO with SO in the diets of darkbarbel catfish without affecting growth performance. A re-feeding period of 30 d with 100% FO significantly increased flesh levels of Σn-3 HUFA, 20:5n-3, and 22:6n-3 in fish which were fed diets containing SO in the first stage.

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