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当前位置: 首页 > 文章 > 不同来源Zn、Mn、Cu对凡纳滨对虾生长性能和非特异性免疫功能的影响 淡水渔业 2011,41 (6) 66-71
Position: Home > Articles > Effects of different Zn、Mn、Cu sources on growth performance and non-specific immune function of Litopenaeus vannamei Freshwater Fisheries 2011,41 (6) 66-71

不同来源Zn、Mn、Cu对凡纳滨对虾生长性能和非特异性免疫功能的影响

作  者：
林仕梅;毛述宏;关勇;林鑫
单  位：
西南大学动物科技学院淡水鱼类资源与生殖发育教育部重点实验室
关键词：
凡纳滨对虾(Litopenaeus vannamei);微量元素;生长;酶活性;免疫
摘  要：
Zn、Mn、Cu按相同的比例,分别以无机微量元素、氨基酸微量元素(Zn、Mn、Cu的添加量为无机微量元素的50%)和氨基酸微量元素组合体(Zn、Mn、Cu的添加量为无机微量元素的50%)形式添加到凡纳滨对虾(Litopenaeus vannamei)的基础饲料中,组成3种实验饲料,以不添加微量元素Zn、Mn、Cu为对照饲料,投喂平均体重为0.69 g的凡纳滨对虾56 d,研究不同来源微量元素对凡纳滨对虾生长和非特异性免疫指标的影响。结果显示:饲料中补充微量元素Zn、Mn、Cu可以显著改善凡纳滨对虾的生长、饲料效率和非特异性免疫力(P<0.05)。氨基酸微量元素组和氨基酸微量元素组合体组凡纳滨对虾的SGR、PER、血细胞数以及SOD、CAT、AKP、PO和溶菌酶活性均显著高于无机微量元素组(P<0.05)。结果表明,氨基酸微量元素是一种有效的微量元素补充形式,可以改善凡纳滨对虾的生长性能,显著提高其非特异性免疫功能,生产实践中值得推广。
译  名：
Effects of different Zn、Mn、Cu sources on growth performance and non-specific immune function of Litopenaeus vannamei
作  者：
LIN Shi-mei,MAO Shu-hong,GUAN Yong,LIN Xin(Key Laboratory of Freshwater Fish Resources and Reproductive Development(Ministry of Education), College of Animal Science and Technology,Southwest University,Chongqing 400716)
关键词：
Litopenaeus vannamei;trace elements;growth;enzyme activity;immune
摘  要：
An eight-week feeding trial was conducted to evaluate the amino acid-chelated trace elements as dietary supplement to Litopenaeus vannamei(initial body weight:0.69 g) in a recirculating system.The basal diet were formulated to contain CP 40% and GE17 MJ/kg,as control group(Diet 1).Three experimental diets were formulated containing Zn,Mn,Cu either from the inorganic salt(Diet 2) or amino acid-chelate(Diet 3) or complex trace element amino acid chelate(Diet 4) with a same basal diet.Diet 2 was added with trace elements from the inorganic salt.Diets 3 and 4 contained the same amount of trace elements from amino acid-chelates at one-half level in Diet 2,respectively.The results showed that growth was significantly(P<0.05) affected by trace elements supplementation.Shrimp fed the diet containing amino acid-chelate or complex trace element amino acid chelate had significantly higher SGR,PER,hemocyte counts,SOD,PO,CAT,AKP and lysozyme activity than the control group or the inorganic salt(P<0.05).Results suggest that trace element amino acid chelate could become a safe and efficacious additives supplemented to the diets for L.vannamei.It can promote the growth performance of L.vannamei,and improve the non-specific immune function.Therefore,it is worthy to be popularized in production.

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