Dietary Supplement of Microalgal Astaxanthin Extraction Improved Shell Pigmentation and Nutritional Value of Litopenaeus vannamei in an Indoor Industrial Aquaculture System

文献类型： 外文期刊

第一作者： Zhang, Shuangyong

作者： Zhang, Shuangyong;Chang, Zhiqiang;Wang, Wei;Li, Jian;Zhang, Shuangyong;Chang, Zhiqiang;Li, Jian;Zhang, Shuangyong;Wang, Wei;Zheng, Yubin

作者机构：

期刊名称：AQUACULTURE NUTRITION （ 影响因子：3.781； 五年影响因子：4.074 ）

ISSN： 1353-5773

年卷期： 2022 年 2022 卷

页码：

收录情况： SCI

摘要： Blue-shell syndrome is associated with low levels of astaxanthin (Ax) deposition in cultured shrimp. Such a syndrome is a key issue in indoor industrial shrimp aquaculture. In this study, we investigated the effect of dietary supplementation with microalgal Ax extract (MAAE), extracted from the microalgae, Haematococcus pluvialis, on shell pigmentation and nutritional value of shrimp Litopenaeus vannamei. Dietary supplementation with MAAE (20 mg kg(-1)) effectively improved shrimp pigmentation. In addition to increased growth and nutritional value, shrimp muscles had higher free amino acid concentrations (Asp, Ser, Ala, Val, and His) and lower fatty acid concentrations (except for C-18:0, C-18:1n9c, C-20:0, C-20:2, and C-24:1) compared to those in the control group. In conclusion, this study indicated that a relatively low dose of MAAE at 20 mg kg(-1) may improve the growth and nutritional value of shrimp in an indoor industrial shrimp aquaculture system.

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