Effects of feed on fatty acid composition in muscles and gonads of the Chinese mitten crab (Eriocheir sinensis)

IF 0.9 4区环境科学与生态学 Q4 OCEANOGRAPHY Oceanological and Hydrobiological Studies Pub Date : 2021-09-01 DOI:10.2478/oandhs-2021-0029

Jianming Zou, Chao Song, Shunlong Meng, Gengdong Hu, Liping Qiu, Limin Fan, Jiazhang Chen

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引用次数: 2

Abstract

Abstract In this study, the effects of different feeds on fatty acid composition in the Chinese mitten crab (Eriocheir sinensis) were investigated. The fatty acid composition in the Chinese mitten crab was significantly correlated with the type of feed source provided. Differences between the feed groups pertained mainly five fatty acids: oleic acid, linoleic acid, palmitic acid, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). The content of EPA and DHA was higher in the group of frozen trash fish than in the group of formulated feed. On the other hand, the content of oleic acid, linoleic acid and palmitic acid was higher in the formulated feed group than in the frozen trash fish group. There were significant differences in the nutritional value of the Chinese mitten crab reared under different feed sources, i.e. Chinese mitten crabs reared with the frozen trash fish feed were larger than those reared with the formulated feed, especially as regards the ω-3/ω-6 PUFA ratio and essential fatty acid levels.

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饲料对中华绒螯蟹肌肉和生殖腺脂肪酸组成的影响

摘要本试验研究了不同饲料对中华绒螯蟹(Eriocheir sinensis)脂肪酸组成的影响。中华绒螯蟹的脂肪酸组成与饲料来源的类型有显著的相关性。饲料组间的差异主要体现在油酸、亚油酸、棕榈酸、二十碳五烯酸(EPA)和二十二碳六烯酸(DHA) 5种脂肪酸上。冷冻垃圾鱼组的EPA和DHA含量高于配方饲料组。另一方面，配方饲料组的油酸、亚油酸和棕榈酸含量高于冷冻垃圾鱼组。不同饲料来源饲养的中华绒螯蟹营养价值差异显著，冷冻垃圾鱼饲料饲养的中华绒螯蟹营养价值大于配方饲料饲养的中华绒螯蟹，特别是ω-3/ω-6 PUFA比值和必需脂肪酸水平。

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来源期刊

Oceanological and Hydrobiological Studies 地学-海洋学

CiteScore

1.70

自引率

11.10%

发文量

审稿时长

>12 weeks

期刊介绍： Oceanological and Hydrobiological Studies is an international journal published by the Institute of Oceanography, University of Gdańsk in Poland. The journal has 4 issues per year and contains papers on all aspects of the marine environment and hydrobiology. All manuscripts are reviewed by editors and independent experts. Based on the referees'' recommendations, the Editor will make a decision on whether to accept a contribution. All articles are published in English. The journal is open to all matters concerning the water environment, thus providing the readers with a wide spectrum of topics in every issue.