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Effect of intermittent starvation on growth and some antioxidant indexes of Macrobrachium nipponense (De Haan)

文献类型： 外文期刊

作者： Li, Zhi-Hua 1 ; Xie, Song 2 ; Wang, Jun-Xia 2 ; Sales, James 3 ; Li, Ping 1 ; Chen, Da-Qing 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Jinzhou 434000, Peoples R China

2.Hebei Univ, Coll Life Sci, Baoding, Peoples R China

3.Univ S Bohemia Ceske Budejovice, Res Inst Fish Culture & Hydrobiol, Zatisi, Vodnany, Czech Republic

关键词： starvation;compensatory growth

期刊名称：AQUACULTURE RESEARCH （ 影响因子：2.082； 五年影响因子：2.415 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： The effect of different periods of starvation (0, 2, 4 and 8 days) followed by re-feeding on growth, feed utilization, oxygen consumption and some immune indexes [reactive oxygen intermediates (ROIs), activities of superoxide dismutase (SOD) and catalase (CAT)] was evaluated over an 18-day experimental period in shrimp Macrobrachium nipponense (De Haan) that had an initial body weight of 0.52 g. As a result of compensatory growth, indicated by an increase in specific growth rate (SGR), feeding rate (FR) and feed conversion efficiency (FCE) after re-feeding, final body weight of shrimp starved for 2 days (0.63 g) and 4 days (0.65 g) did not differ (P>0.05) from the control group (0.64 g), with feed withholding for 8 days presenting a significant lower value (0.63 g). Oxygen consumption rate (OCR) decreased during the starvation period in all groups, followed by a gradual increase to a similar (P>0.05) value than found in the control group (0.47 mg kgp# hp#) at the end of the experiment. Although ROIs and the activity of SOD and CAT fluctuated during starvation in the feed-deprived groups, values at the termination of the experiment were comparable (P>0.05) to those found for the control group.

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