Influence of Stocking Density on Growth Performance, Antioxidant Status, and Physiological Response of Juvenile Turbot, Scophthalmus maximu, Reared in Land-based Recirculating Aquaculture System
文献类型： 外文期刊
作者： Jia, Rui 1 ; Liu, Bao-Liang 2 ; Han, Cen 2 ; Huang, Bin 2 ; Lei, Ji-Lin 2 ;
作者机构： 1.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Peoples R China
2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Minist Agr, Key Lab Sustainable Dev Marine Fisheries, Qingdao 266071, Peoples R China
期刊名称：JOURNAL OF THE WORLD AQUACULTURE SOCIETY （ 影响因子：2.512； 五年影响因子：2.47 ）
ISSN： 0893-8849
年卷期： 2016 年 47 卷 4 期
页码：
收录情况： SCI
摘要： This study aimed to assess the effects of stocking density on the growth, antioxidant status, and physiological response of juvenile turbot. Turbot (average initial weight 70.0 +/- 5 g) were reared at three different initial densities (low density [LD], 5.13 +/- 0.03 kg/m(2); medium density [MD], 7.71 +/- 0.11 kg/m(2); and high density [HD], 10.8 +/- 0.12 kg/m(2)) for 80 d. At the end of this trial, the final densities were 13.2 +/- 0.10, 19.9 +/- 0.15, and 25.7 +/- 0.12 kg/m(2) in the LD, MD, and HD groups, respectively. The growth performances were adversely influenced by a high stocking density. Levels of cortisol, glucose, cholesterol, triglyceride, glutamate pyruvate transaminase, and glutamate oxalate transaminase in the plasma significantly increased in HD treatment. Results of oxidative stress analyses showed that there was a clear decrease in superoxide dismutase, glutathione peroxidase, catalase, glutathione, and total antioxidant capacity, and an obvious increase in malondialdehyde in plasma and/or liver of turbot reared in HD group (P < 0.05). Overall, the results indicated that increasing stocking density reduced the growth performance, modulated the physiological response, and induced oxidative stress in turbot.
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