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| 饲料维生素E含量对美国红鱼生长和非特异性免疫的影响 | |
| 引用本文： | 周立斌,王安利,张伟,张海发.饲料维生素E含量对美国红鱼生长和非特异性免疫的影响[J].海洋水产研究,2009,30(1):47-53. |
| 作者姓名： | 周立斌 王安利 张伟 张海发 |
| 作者单位： | 1. 华南师范大学生命科学学院,广东省高等学校生态与环境科学重点实验室,广州,510631;惠州学院生命科学系,516007 2. 华南师范大学生命科学学院,广东省高等学校生态与环境科学重点实验室,广州,510631 3. 广东省大亚湾水产试验中心,惠州,516081 |
| 基金项目： | 国家科技支撑计划，广东省科技计划重大专项项目，广东省科技计划项目，广东省重大科技兴海(兴渔)项目 |
| 摘 要： | 采用单因子实验设计方法，进行了饲料中添加维生素E对美国红鱼生长（存活率、特定生长率和饲料效率）和非特异性免疫相关指标（血清中溶菌酶活性、血清总补体活性和超氧化物岐化酶（SOD）活性）影响的研究，设计了5个不同维生素E水平（0．1、25．3、51．0、102．8和203．2mg／kg）的等氮等能饲料，对美国红鱼进行为期56d的生长实验，每个水平3个重复，每个养殖单元放养初始体重为151g左右的美国红鱼20尾。饲养实验在海水网箱（1．5m×1．0m×1．0m）中进行。结果表明，随着饲料维生素E含量增加，美国红鱼饲料效率、特定生长率和成活率显著提高，美国红鱼最佳生长性能的饲料维生素E添加量为102．8mg／kg；美国红鱼血清溶菌酶和血清总补体活性随着维生素E的添加量的增加而显著升高，并且维生素E的添加量达到最高值102．8和25．3mg／kg，随后变化不明显；美国红鱼血清SOD活性随维生素E添加量的增加而显著升高，并且含量在102．8mg／kg达到最高值，随后显著下降。综上所述，美国红鱼维生素E的适宜添加量为102．8mg／kg。 |
| 关 键 词： | 美国红鱼 维生素E 生长 免疫力 |
| 收稿时间： | 2007/10/25 0:00:00 |
| 修稿时间： | 2007/12/24 0:00:00 |
Effects of dietary vitamin E levels on growth and nonspecific immunity of red drum Sciaenops ocellatus |
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| ZHOU Li-bin,WANG An-li,ZHANG Wei,ZHANG Hai-fa.Effects of dietary vitamin E levels on growth and nonspecific immunity of red drum Sciaenops ocellatus[J].Marine Fisheries Research,2009,30(1):47-53. | |
| Authors: | ZHOU Li-bin WANG An-li ZHANG Wei ZHANG Hai-fa |
| Affiliation: | ZHOU Li-bin WANG An-li ZHANG Wei ZHANG Hai-fa(1. Key Laboratory of Ecology and Environmental Science in Guangdong Higher Education, College of Life Science, South China Normal University, Guangzhou 510631;2. Department of Life Science, Huizhou University, 516007;3.Guangdong Daya Bay Fisheries Development Center, Huizhou 516081) |
| Abstract: | A single-factor experiment was conducted to study the effects of dietary vitamin E on growth（feed efficiency ratio（FER）, specific growth rate （SGR） and survival rate （SR）） and nonspecific immunity （lysozyme activity, total complement activity and superoxide dismutase （SOD） activity） of red drum Sciaenops ocellatus L. , Five iso-nitrogenous and iso-energetic diets at levels of 0. 1,25.3,51.0,102.8 and 203.2mg/kg vitamin E were fed twice a day（07 ： 30 and 16 ： 30）. Triplicated groups of 20 fish at initial body weight of about 151g were fed with the diets in the levels for 8 weeks. The experiment was done in floating net cages（1.5 m× 1.0 m× 1.0 m）. Results indicated that the feed efficiency ratio, specific growth rate and survival rate increased significantly with the increase of vitamin E supplement level in diet after 8 weeks of the feeding trial,the optimal vitamin E for growth of red drum was about 102.8mg/kg;the lysozyme activity and total complement activity of serum in red drum increased significantly with the increase of vitamin E supplement level in diet, and the red drum had the maximal level of lysozyme activity and total complement activity when fed by 102.8 and 25.3 mg/kg VE,then the change of lysozyme and total complement activity were not significant ; the SOD activity of serum in red drum increased significantly with the increase of vitamin E supplement level in diet, and the red drum had the maximal level of SOD activity when fed by 102.8mg/kg VE then decreased significantly. Ingeneral,it was showed that the optimal vitamin E for red drum growth was about 102.8mg/kg. |
| Keywords: | Red drum Sciaenops ocellatus Vitamin E Growth Immunity |
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