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Comparison of digestive, immune and antioxidant enzyme activities of mackerel tuna (Euthynnus affinis) in the wild and under captivity

文献类型： 外文期刊

作者： Han, Mingyang 1 ; Zhou, Shengjie 1 ; Qin, Jian G. 3 ; Ma, Zhenhua 1 ; Yu, Gang 1 ;

作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Trop Aquaculture Res & Dev Ctr, Sanya 572018, Peoples R China

2.Minist Agr, Key Lab South China Sea Fishery Resources Exploit, Guangzhou 510300, Peoples R China

3.Flinders Univ S Australia, Coll Sci & Engn, Adelaide, SA, Australia

4.Sanya Trop Fisheries Res Inst, Sanya 572018, Peoples R China

关键词： Euthynnus affinis; land-based farming; digestive enzyme; immune enzyme; antioxidant enzyme responses

期刊名称：JOURNAL OF APPLIED ANIMAL RESEARCH （ 影响因子：1.63； 五年影响因子：1.727 ）

ISSN： 0971-2119

年卷期： 2020 年 48 卷 1 期

页码：

收录情况： SCI

摘要： To explore the feasibility of land-based farming on mackerel tuna (Euthynnus affinis), the changes of antioxidant, immune and digestive enzyme activities of wild caught and indoor cultured juvenile mackerel tuna were evaluated. The activities of total superoxide dismutase, catalase, peroxidase and alkaline phosphatase in the liver of the wild group were significantly higher than those cultured under captivity. The total superoxide dismutase and peroxidase activities in the indoor cultured group were significantly increased in the head kidney, and the MDA content was significantly increased. The activities of lysozyme in the liver and head kidney, the activities of amylase, lipase and trypsin activities in the intestine were significantly increased in the indoor cultured group. The pepsin activity in the stomach was significantly reduced. The land-based farming increased the digestive enzyme activity compared to the wild caught group. The mode of land-based farming is suitable for growth and fattening of young fish, but it leads to inhibition of antioxidant capacity and increase in immune enzyme activity. This study adds knowledge of our understanding on the physiological response of mackerel tuna and improves future farming practice of this species in an indoor condition.

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