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
作者： Yao, Li 1 ; Zhang, AnQing 1 ; Zhang, HaiYan 2 ; Shao, Jian 1 ; Wen, Ming 2 ; Wang, ChangAn 5 ; Jiang, HaiBo 1 ; Li, Ming 6 ;
作者机构： 1.Guizhou Univ, Minist Educ, Breeding & Reprod Plateau Mt Reg, Guiyang 550025, Peoples R China
2.Guizhou Univ, Coll Anim Sci, Guiyang 550025, Peoples R China
3.Guizhou Univ, Special Fisheries Res Inst, Guiyang 550025, Peoples R China
4.Key Lab Anim Dis & Vet Publ Hlth Guizhou Prov, Guiyang 550025, Peoples R China
5.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Harbin 150070, Peoples R China
6.Ningbo Univ, Sch Marine Sci, Ningbo 315211, Peoples R China
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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