动物营养学报 >

2014 , Vol. 26 >Issue 2: 420 - 426

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.02.018

水产营养 Aquaculture Nutrition

亚麻油替代鱼油对鲤鱼生长性能、肝胰脏脂质代谢及抗氧化能力的影响

  • 潘瑜 ,
  • 陈文燕 ,
  • 林仕梅 ,
  • 高启平 ,
  • 罗莉
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  • 1. 通威股份有限公司特种水产研究所, 成都 610041;
    2. 西南大学动物科技学院, 重庆 400716;
    3. 西南大学淡水鱼类资源与生殖发育教育部重点实验室, 重庆 400716

收稿日期: 2013-08-07

  网络出版日期: 2014-01-27

基金资助

通威股份项目资助

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Effects of Replacement of Fish Oil by Linseed Oil on Growth Performance, Lipid Metabolism and Antioxidant Ability in Hepatopancreas of Common Carp (Cyprinus carpio)

  • PAN Yu ,
  • CHEN Wenyan ,
  • LIN Shimei ,
  • GAO Qiping ,
  • LUO Li
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  • 1. Tongwei Co., Ltd., Special Fisheries Research Institute, Chengdu 610041, China;
    2. College of Animal Science and Technology, Southwest University, Chongqing 400716, China;
    3. Key Laboratory of Freshwater Fish Resources and Reproductive Development of Ministry of Education, Chongqing 400716, China

Received date: 2013-08-07

  Online published: 2014-01-27

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摘要

在一种实用饲料配方的基础上，用亚麻油分别替代0（对照组）、25%、50%、75%、100%）的鱼油配制成5种等氮等能（粗蛋白质含量为35%，总能为15 MJ/kg）的试验饲料，在室内循环养殖系统中饲喂5组鲤鱼[初重(5.81±0.23) g]8周，以研究亚麻油替代不同水平鱼油对鲤鱼生长性能、体组成、肝胰脏脂质代谢和抗氧化指标的影响。结果表明：随着亚麻油替代鱼油水平的升高，鲤鱼的特定生长率（SGR）呈现先升高后降低的趋势，以25%组最高，显著高于75%和100%组（P<0.05）；而饲料系数（FCR）则表现出相反的变化趋势，以25%组最低，显著低于100%组（P<0.05）。蛋白质效率（PER）和成活率（SR）在各组间无显著差异（P>0.05）。对照组全鱼粗蛋白质含量显著高于其他组（P<0.05），而粗脂肪含量则显著低于除25%组外的其他各组（P<0.05）。亚麻油替代不同水平鱼油对全鱼干物质和粗灰分含量无显著影响（P>0.05）。随着亚麻油替代鱼油水平的升高，肝胰脏脂蛋白脂酶（LPL）活性和总抗氧化能力（T-AOC）逐渐降低，而肝胰脏苹果酸脱氢酶（MDH）活性则逐渐升高，但对照组与25%组均无显著差异（P<0.05）。各组肝胰脏超氧化物歧化酶（SOD）活性无显著差异（P>0.05）。由此可见，亚麻油替代不同水平鱼油对鲤鱼的生长性能、肝胰脏脂质代谢和抗氧化能力产生的影响不同。以亚麻油替代25%鱼油时鲤鱼的生长效果最好，而完全替代鱼油会阻碍鲤鱼的生长，并危及肝胰脏的健康。

关键词： 鲤鱼; 亚麻油; 鱼油; 生长性能; 脂质代谢; 抗氧化能力

本文引用格式

潘瑜 , 陈文燕 , 林仕梅 , 高启平 , 罗莉 . 亚麻油替代鱼油对鲤鱼生长性能、肝胰脏脂质代谢及抗氧化能力的影响[J]. 动物营养学报, 2014 , 26(2) : 420 -426 . DOI: 10.3969/j.issn.1006-267x.2014.02.018

Abstract

In order to study the effects of replacement of different levels of fish oil by linseed oil on growth performance, body composition and indices of lipid metabolism and antioxidant in hepatopancreas of common carp, five isonitrogenous and isoenergetic experimental diets (crude protein content was 35%, and gross energy was 15 MJ/kg) were formulated by replacing 0 (control group), 25%, 50%, 75% and 100% fish meal with linseed oil on basis of a practical diet, respectively. Common carp with the initial body weight of (5.81±0.03) g in five groups were fed five experimental diets for 8 weeks in the room circulation farming system. The results showed as follows: with the increase of linseed oil to replace fish oil level, the specific growth rate (SGR) of carp showed a trend of first increase and then decrease, while the feed conversion ratio (FCR) was just the opposite. The highest SGR was found in 25% group, and significantly higher than that in 75% and 100% groups (P<0.05); the lowest FCR was found in 25% group, and significantly lower than that in 100% group (P<0.05). No significant differences were found among all groups in protein efficiency ratio (PER) and survival rate (SR) (P>0.05). The whole fish crude protein content in control group was significantly higher than that in other groups (P<0.05), while the crude fat content was significantly lower than that in other groups except 25% group (P<0.05). No significant differences were found among all groups in whole fish ash and moisture contents (P>0.05). With the increase of linseed oil to replace fish oil level, the hepatopancreas lipoprotein lipase (LPL) activity and total anti-oxidant capability (T-AOC) were gradually reduced and the hepatopancreas malate dehydrogenase (MDH) activity was gradually increased, but no significant differences were found in those indices between control group and 25% group (P>0.05). Replacement of different levels of fish oil by linseed oil had no significant effect on hepatopancreas superoxide dismutase (SOD) activity (P>0.05). Thus, replacement of different levels of fish oil by linseed oil have different effects on growth performance, lipid metabolism and antioxidant ability in hepatopancreas of common carp. Replacement of 25% fish oil by linseed oil, the growth of common carp shows the best effect; total replacement of fish oil by linseed oil can hinder the growth of common carp, and endanger the health of hepatopancreas.

Key words： common carp; linseed oil; fish oil; growth performance; lipid metabolism; antioxidant ability

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