A comparative analysis of growth and nutritional quality of the hybrid grouper (Epinephelus fuscoguttatus ♀ x Epinephelus lanceolatus ♂) in a simulated pond system and a recirculating aquaculture system
文献类型： 外文期刊
作者： Qu, Yingsha 1 ; Yin, Zhendong 1 ; Fan, Xiangyu 1 ; Hu, Haiyan 3 ; Cui, Hongwu 1 ; Cui, Zhengguo 1 ; Qu, Keming 1 ; Li, Hao 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, State Key Lab Mariculture Biobreeding & Sustainabl, Qingdao, Shandong, Peoples R China
2.Qingdao Marine Sci & Technol Ctr, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao, Shandong, Peoples R China
3.Zhejiang Ocean Univ, Marine Sci & Technol Coll, Zhoushan, Peoples R China
关键词： hybrid grouper; recirculating aquaculture system; pond system; intestinal flora; nutritional component
期刊名称：FRONTIERS IN MARINE SCIENCE （ 影响因子：2.8； 五年影响因子：3.7 ）
ISSN：
年卷期： 2024 年 11 卷
页码：
收录情况： SCI
摘要： Groupers, as a popular economic fish species, are now more frequently cultured in land-based facilities, however, traditional pond-farming methods are plagued by frequent disease outbreaks, unstable economic benefits, and environmental pollution. To explore a new farming mode for a grouper, an 80-day cultivation experiment was conducted using both a simulated pond system (SPS) and a recirculating aquaculture system (RAS). The research aims to evaluate the growth performance, health (pathogenic bacteria, intestinal microbiota), off-flavor compounds (geosmin, 2-methylisoborneol), and nutritional component (amino acids, fatty acid composition and content) of a hybrid grouper (Pinephelus fuscoguttatus female x Epinephelus lanceolatus male) under different aquaculture systems. The results showed that the hybrid grouper in a RAS exhibited better growth performance; the concentration of Vibrio in the fish tissue in the RAS was significantly lower than that in the SPS. Moreover, the content of fresh amino acids in the RAS was significantly higher, and the levels of saturated fatty acids (SFAs) and omega-6 polyunsaturated fatty acids (omega-6PUFAs) were significantly higher in the RAS. This finding indicates the superior flavor and nutritional value of the grouper. These results prove that the RAS is suitable for the widespread cultivation of grouper.
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