Effects of Dietary Aqueous Extract from Eucommia ulmoides Oliver on Growth, Muscle Composition, Amino Acid Composition and Fatty Acid Composition of Rainbow Trout (Oncorhynchus mykiss)

文献类型： 外文期刊

第一作者： Yao, Li

作者： Yao, Li;Zhang, AnQing;Shao, Jian;Jiang, HaiBo;Yao, Li;Zhang, AnQing;Zhang, HaiYan;Shao, Jian;Wen, Ming;Jiang, HaiBo;Yao, Li;Zhang, AnQing;Shao, Jian;Jiang, HaiBo;Wen, Ming;Wang, ChangAn;Li, Ming

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关键词： Rainbow trout; Eucommia ulmoides Oliver; Growth performance; Amino acids; Fatty acids

期刊名称：PAKISTAN JOURNAL OF ZOOLOGY （ 影响因子：0.831； 五年影响因子：0.768 ）

ISSN： 0030-9923

年卷期： 2021 年 53 卷 2 期

页码：

收录情况： SCI

摘要： The study was to investigate effects of dietary Eucommia ulmoides Oliver (EUO) bark aqueous extract on growth performance and nutritional composition of rainbow trout (145.56 +/- 4.12 g) (Oncorhynchus mykiss) fed five different diets, including 0 (EUO-0), 5 (EUO-5), 10 (EUO-10), 20 (EUO-20) and 40 (EUO-40) g kg(-1) EUO bark aqueous extract. The muscle lipid of fish in EUO-40 was significantly higher than that in other groups (p < 0.05), and fish in EUO-0 showed significantly lower muscle crude lipid content than that in EUO-5, EUO-10, and EUO-20 groups (p < 0.05). Fish in EUO-40 had significantly higher muscle Phe, Gly, Ala, delicious amino acids contents than that in EUO-0 (p < 0.05), and fish in EUO-20 had significantly higher muscle Ala content than that in EUO-0 (p < 0.05). Fish in EUO-10 showed significantly higher 22:1n-9 content in muscle than that in EUO-0 (p < 0.05). Contents of 18:3n-6 in muscle of EUO-5 and EUO-40 groups were significantly lower than that of EUO-0 group (p < 0.05). Fish in EUO-40 had significantly higher 22:5n-3, 22:6n-3, and Sigma PUFA(s) n-3 contents than that in other groups (p < 0.05). In conclusion, supplementation of EUO aqueous extract improved the nutritional composition of rainbow trout, and the supplemental level was estimated to be 40.00 g kg(-1) diet.

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