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首页 > 过刊浏览>2017年第26卷第3期 >383-391. DOI:10.12024/jsou.20160801839
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不同蛋白水平下添加抗菌肽对赤点石斑鱼影响的研究
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广东省海洋与渔业技术推广总站,南海水产研究所,南海水产研究所,南海水产研究所,南海水产研究所,广东省海洋与渔业技术推广总站

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公益性行业（农业）科研专项经费项目（20140311）；广东省海洋渔业科技推广专项项目（B201000B14，B201101B04，B201201B09）


Effect of antibacterial peptides supplementation in different protein level diets on grouper (Epinephelus akaara)
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Guangdong Ocean and Fishery Technology Extension Center,South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences,South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences,South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences,South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences,Guangdong Ocean and Fishery Technology Extension Center

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    摘要:

    评估了不同饲料蛋白水平（44%，48%，52%）和抗菌肽浓度（0.01%，0.02%）对赤点石斑鱼生长性能、血清生化、消化酶和抗氧化能力的影响。实验组分别为：D1 （44%，0.01%），D2 （48%，0.01%），D3 （52%，0.01%），D4 （44%，0.02%），D5（48%，0.02%），D6（52%，0.02%）。每组3个平行，养殖8周结果如下：一定范围内，增重率、特定生长率和饲料转化率随蛋白水平和抗菌肽浓度增加，D5组显著高于D1组（P<0.05）。形态学指标，D6组肝体比（HSI）、脏体比（VSI）和肠系膜脂肪（IPF）显著低于D5组（P<0.05）。同一蛋白水平下增加抗菌肽浓度可降低肌肉粗脂肪含量，D4组显著低于D1组（P<0.05）。血清总蛋白、白蛋白含量随蛋白水平和抗菌肽浓度的增加而升高（P<0.05），D3和D5组谷丙转氨酶、谷草转氨酶和血糖显著低于其他组（P<0.05）。D5组胰蛋白酶高于其他组（P<0.05），D1组过氧化物酶显著低于其他组（P<0.05）。随着抗菌肽浓度增加，胃蛋白酶、过氧化物酶、过氧化氢酶活性增加，且丙二醛含量降低（P>0.05）。实验结果表明，48%蛋白水平下添加0.02%抗菌肽可以提高赤点石斑鱼生长性能，增强消化酶活性和抗氧化能力，降低饲料系数。

    Abstract:

    This experiment was conducted to assess the effects of dietary protein (44%,48% and 52%) and antibacterial peptide (0.01% and 0.02%) on growth performance, serum biochemistry, digestive enzyme and antioxidant abilities of grouper (Epinephelus akaara). The experimental diets were named as:D1 (44%, 0.01%), D2 (48%, 0.01%), D3 (52%, 0.01%), D4 (44%, 0.02%), D5 (48%, 0.02%) and D6 (52%, 0.02%). Each diet was fed to 3 replicates and the experiment lasted for 8 weeks. The results show as follows:In certain range, Weight gain (WG), specific growth rate (SGR) and feed conversion ratio increased with protein level and ABP concentration increasing, and D5 was significantly higher than D1 (P<0.05). The morphological indexes, Hepatosomatic index (HSI), Viscerosomatic index (VSI) and Intraperitoneal fat index (IPF) of D6 were significantly lower than D5 (P<0.05). Crude fat content of fish fed diet D4 was significantly lower than D1 (P<0.05). Serum total protein (TP) and albumin (ALB) increased with protein and ABP increasing (P<0.05), glutamic-pyruvic transaminase (ALT), glutamic oxalacetic transaminase (AST) and glucose (GLU) were lower in D3 and D5 (P<0.05). Trypsase of D5 was higher than other groups (P<0.05), and Peroxidase (POD) of D1 was significantly lower than other groups (P<0.05). ABP could increase Pepsin, Catalase (CAT), POD and decrease Malondialdehyde (MDA) content (P>0.05). The result shows 0.02% ABP supplementation at 48% protein level can improve growth, increase digestive enzyme activities and antioxidant abilities, and decrease FCR.

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蔡云川,赵书燕,林黑着,黄忠,周传朋,马志洲.不同蛋白水平下添加抗菌肽对赤点石斑鱼影响的研究[J].上海海洋大学学报,2017,26(3):383-391.
CAI Yunchuan, ZHAO Shuyan, LIN Heizhao, HUANG Zhong, ZHOU Chuanpeng, MA Zhizhou. Effect of antibacterial peptides supplementation in different protein level diets on grouper (Epinephelus akaara)[J]. Journal of Shanghai Ocean University,2017,26(3):383-391.

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  • 收稿日期:2016-08-03
  • 最后修改日期:2017-01-13
  • 录用日期:2017-03-15
  • 在线发布日期: 2017-05-25
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