Effect of intermittent starvation on growth and some antioxidant indexes of Macrobrachium nipponense (De Haan)
文献类型: 外文期刊
第一作者: Li, Zhi-Hua
作者: Li, Zhi-Hua;Li, Ping;Chen, Da-Qing;Li, Zhi-Hua;Xie, Song;Wang, Jun-Xia;Sales, James;Li, Ping
作者机构:
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:
页码:
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.
分类号: S9
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