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Effects of two different culture systems on the growth performance and physiological metabolism of tiger pufferfish (Takifugu rubripes)

文献类型： 外文期刊

作者： Jia, Yudong 1 ; Jing, Qiqi 1 ; Xing, Zhijun 3 ; Gao, Xiaoqiang 1 ; Zhai, Jieming; Guan, Changtao 1 ; Huang, Bin 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao Key Lab Marine Fish Breeding & Biotechnol, Qingdao 266071, Peoples R China

2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266237, Peoples R China

3.Qingdao Univ, Qingdao Hosp Tradit Chinese Med, Affiliated Qingdao Hiser Hosp, Qingdao 266

关键词： Growth; Metabolism; GH/IGF system; Recirculating aquaculture system; Offshore sea cage aquaculture system; Tiger pufferfish Takifugu rubripes

期刊名称：AQUACULTURE （ 影响因子：4.242； 五年影响因子：4.723 ）

ISSN： 0044-8486

年卷期： 2018 年 495 卷

页码：

收录情况： SCI

摘要： Tiger puffer (Takifugu rubripes) is a promising species for aquaculture production because of its high commercial value and limited supply. The growth performance and physiological metabolism of subadult tiger pufferfish reared in offshore sea cage aquaculture system (OSCS) and recirculating aquaculture system (RAS) were examined in this study. Results showed that the final body weight, specific growth rate and plasm growth hormone of the female tiger puffer reared in the OSCS were significantly higher than those of the fish reared in the RAS. The condition factor and gonadosomatic index of the female tiger puffer were significantly higher than those of the male tiger puffer cultured in the OSCS and the RAS. By contrast, the hepatosomatic index, viscerosomatic index and survival rate of the tiger puffer did not significantly change. Female fish reared in the OSCS with the significantly higher hepatic alkaline phosphatase activities and lower aspartate aminotransferase compared with those of fish reared in the RAS. The hepatic pyruvate kinase and Na+-K+ ATPase activities of the female or male fish in the OSCS were significantly higher than those of the female or male fish in the RAS, respectively. The mRNA expression of somatic growth axis-related genes (igf1, igf2, igf1r, igf2r, ghr1, ghr2) of the female tiger puffer reared in the OSCS was significantly higher than that of the fish reared in the RAS. These results indicated that the growth performance and metabolic state of the female tiger puffer reared in the OSCS were better than those of the fish in the RAS, the OSCS was more suitable than the RAS for the short-term culture of subadult tiger puffer. These findings enhanced our understanding of the combined land (RAS) and sea (OSCS) alternative aquaculture model of tiger puffer.

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