Effect of dietary supplementation with Chlorella sorokiniana meal on the growth performance, antioxidant status, and immune response of rainbow trout (Oncorhynchus mykiss)

文献类型： 外文期刊

第一作者： Chen, Weijun

作者： Chen, Weijun;Chen, Weijun;Han, Danxiang;Hu, Qiang;Luo, Lin;Long, Feiping;Chi, Qinglei;Hu, Qiang;Hu, Qiang

作者机构：

关键词： Microalgae; Chlorophyta; Oncorhynchus mykiss; Growth; Antioxidant status; Immune response

期刊名称：JOURNAL OF APPLIED PHYCOLOGY （ 影响因子：3.215； 五年影响因子：3.612 ）

ISSN： 0921-8971

年卷期： 2021 年 33 卷 5 期

页码：

收录情况： SCI

摘要： The aim of the study is to investigate whether dietary Chlorella sorokiniana supplementation could improve growth performance, antioxidant status, and immune response of Oncorhynchus mykiss. Three isonitrogenous (47%) and isolipidic (16.5%) diets supplemented with 0% (Control), 5% (5% CS), and 10% C. sorokiniana meal (10% CS) were assigned to O. mykiss (three replicates per diet, 30 fish in each replicate, initial body weight 165.24 +/- 0.46 g). The results indicated that O. mykiss fed with 5% CS diet had an increased feeding rate (FR), specific growth rate (SGR), and weight gain rate (WGR) compared to the control (P < 0.05). Dietary 5% or 10% C. sorokiniana supplementation significantly increased activity levels of superoxide dismutase (SOD) in the liver and catalase (CAT) in the liver and head kidney. In addition, dietary supplementation with 10% C. sorokiniana also significantly increased activity level of glutathione peroxidase (GPX) and simultaneously decreased contents of malondialdehyde (MDA) in the liver and head kidney. Furthermore, fish fed with 5% CS or 10 CS diet demonstrated increased activity level of lysozyme (LYZ), higher content of immunoglobulin M (IgM), and upregulated transcriptional expression of tumor necrosis factor alpha (TNF-alpha), interleukin 1 beta (IL-1 beta), hepcidin (HEP), and nuclear factor kappa-B (NF-kappa B) in the head kidney. Based on fish growth performance, antioxidant capacity, and immune response, dietary supplementation of 5% C. sorokiniana was recommended.

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[1]Effect of dietary supplementation with Chlorella sorokiniana meal on the growth performance, antioxidant status, and immune response of rainbow trout (Oncorhynchus mykiss). Chen, Weijun,Chen, Weijun,Han, Danxiang,Hu, Qiang,Luo, Lin,Long, Feiping,Chi, Qinglei,Hu, Qiang,Hu, Qiang. 2021

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