Effects of anthraquinone extract from Rheum officinale Bail on the growth performance and physiological responses of Macrobrachium rosenbergii under high temperature stress
文献类型: 外文期刊
第一作者: Liu, Bo
作者: Liu, Bo;Xie, Jun;Ge, Xianping;Xu, Pao;Wang, Aiming;Liu, Bo;Xie, Jun;Ge, Xianping;Xu, Pao;He, Yijin;Zhou, Qunlan;Pan, Liangkun;Chen, Ruli;Wang, Aiming
作者机构:
关键词: growth performance;temperature stress;enzyme activity;physiological response;feed conversion efficiency
期刊名称:FISH & SHELLFISH IMMUNOLOGY ( 影响因子:4.581; 五年影响因子:4.851 )
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收录情况: SCI
摘要: In order to study the effects of anthraquinone extract from Rheum officinale Bail on Macrobrachium rosenbergii under high temperature stress, freshwater prawns were randomly divided into five groups a control group was fed with basal diet, and four treatment groups fed with basal diet supplemented with 0.05%, 0.1%, 0.2%, and 0 4% anthraquinone extracts for 10 weeks, respectively Then, freshwater prawns were exposed to high temperature stress at 35 degrees C for 48 h The growth, changes in haemolymph total protein, aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP). lysozyme, nitrogen monoxide (NO) and hepatic catalase (CAT), superoxide dismutase (SOD) and malondialdehyde (MDA) were investigated. The results showed that compared the control group, the specific growth rates, feed conversion efficiency. haemolymph ALP and lysozyme activities, total protein contents, hepatic CAT and SOD activities increased while haemolymph AST, ALT and hepatic MDA contents decreased in treatment groups before the stress, but their levels did not correlate with the doses of anthraquinone extracts The specific growth rate (SGR), feed conversion efficiency and haemolymph lysozyme activity significantly increased but haemolymph AST activity decreased in 0 1% dose group, whereas haemolymph ALP activity and feed conversion efficiency increased but ALT activity and hepatic MDA contents significantly decreased in 0 2% dose group before the stress compared with the control After high temperature stress, 0 1-0 2% anthraquinone extract also could improve the haemolymph total proteins, lysozyme and ALP activities, hepatic catalase, and superoxide dismutase, and reduce haemolymph ALT and AST activities. hepatic malondialdehyde contents. The cumulative mortality in the control was about 100% at 48 h after high temperature stress while the cumulative mortality in the treatment groups supplemented with 0.1-02% anthraquinone extract were about 48-65% The artificial infection with Vibrio anguillarum also showed the cumulative mortality in the control was about 100% while the cumulative mortality in the treatment groups supplemented with 0.1-02% anthraquinone extracts were about 57-80%. The present study suggested that ingestion of a basal diet supplemented with 0 1-0 20% anthraquinone extracts could prevent high temperature stress and promote the growth of prawns. (C) 2010 Elsevier Ltd All rights reserved
分类号: S9
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