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Physiological responses and non-specific immune parameters in Epinephelus moara exposed to repeated physical stress

文献类型： 外文期刊

作者： Sun, Peng 1 ; Tang, Baojun 1 ; Yin, Fei 1 ;

作者机构： 1.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Minist Agr, Key Lab East China Sea & Ocean Fishery Resources, Shanghai 200090, Peoples R China

关键词： Cortisol; Fish; Immune; Physiological response; Stress

期刊名称：INDIAN JOURNAL OF ANIMAL RESEARCH （ 影响因子：0.44； 五年影响因子：0.543 ）

ISSN： 0367-6722

年卷期： 2019 年 53 卷 5 期

页码：

收录情况： SCI

摘要： To evaluate effects of physical stress on physiological and non-specific immune parameters in Epinephelus moara, levels of cortisol, glucose, lactic acid in serum, as well as malondialdehyde (MDA), Alkaline phosphatase (AKP), acid phosphatase (ACP) and lysozyme (LZM) activities in liver were examined. Plasma cortisol levels increased significantly to peak levels at the first day in stressed individuals. Moreover, those levels were significantly higher with respect to control (P<0.05). Concentrations of glucose in serum has only a slight increase at the first day when subjected to stress (P>0.05). The levels of lactic acid, activity of ACP and AKP increased and significantly peaked during treatment; then, all of them dropped to the levels of control groups at the end of treatment. The concentration of LZM and MDA in liver had a significant increase and peaked during treatment; then it began to drop, and finally recovered to the level of control groups. The results indicate that E. moara presented significant physiological and immune responses when subjected to a repeated physical stressor. Also, cortisol and MDA changes could be used as bio-indicators for monitoring stress. The present study provides basic information for improved rearing and feeding protocols in this species.

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