| 高铜饲料对凡纳滨对虾生长、肌肉和肝胰脏铜积累的影响 |
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| 引用本文： | 刘伟,文华,吴建开,蒋明,吴凡.高铜饲料对凡纳滨对虾生长、肌肉和肝胰脏铜积累的影响[J].淡水渔业,2008,38(2):12-16. |
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| 作者姓名： | 刘伟 文华 吴建开 蒋明 吴凡 |
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| 作者单位： | 1. 农业部淡水鱼类种质资源与生物技术重点开放实验室,中国水产科学研究院长江水产研究所,湖北荆州,434000;中国水产科学研究院淡水渔业研究中心,江苏无锡,214081
2. 广东海大集团有限公司,广州,511400 |
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| 基金项目： | 国家科技基础条件平台子课题经费资助 |
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| 摘 要： | 采用在实用饲料(含铜11.68 mg/kg)中分别添加铜(以分析纯CuSO4.5H2O为铜源)了0 mg/kg(对照组),25 mg/kg(适量组),50、100、200、400 mg/kg(高铜组)(编号为C0、C25、C50、、C100、C200、C400)的6组饲料,喂养凡纳滨对虾(Litopenaeus vannamei)(0.49±0.03 g)8周,研究了高铜饲料对凡纳滨对虾生长、肌肉和肝胰脏铜积累的影响。结果显示:饲料铜含量过高具有毒性,C100~C4003组存活率显著低于其它组(P<0.05),分别为51.11%、37.78%、14.81%;随饲料铜水平的增加,增重率、饲料效率、特定增长率先升高后降低,C50组的增重率和特定生长率显著高于其他组(P<0.05),C25、C50组的饲料效率显著高于其他组(P<0.05);随饲养时间的延长,肌肉、肝胰脏铜积累增加,试验末期各组肌肉、肝胰脏铜积累显著升高(P<0.05),试验期间肌肉铜积累在3.10~11.08 mg/kg之间,而肝胰脏铜积累则在10.89~449.48 mg/kg之间,同组对虾肝胰脏铜积累量远高于肌肉;饲养8周肌肉铜积累小于50 mg/kg,符合食品安全,而肝胰脏除C0组外均大于50 mg/kg。
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| 关 键 词： | 高铜饲料 凡纳滨对虾(Litopenaeus vannamei) 生长 肌肉 肝胰脏 铜积累 |
| 文章编号： | 1000-6907-（2008）01-00012-05 |
| 收稿时间： | 2007-10-12 |
| 修稿时间： | 2007年10月12 |
Effects of High-level Dietary Copper on Growth,Muscle and Hepatopancreas Copper Accumulation of Litopenaeus vannamei |
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| LIU Wei,WEN Hua,WU Jian-kai,JIANG Ming,WU Fan.Effects of High-level Dietary Copper on Growth,Muscle and Hepatopancreas Copper Accumulation of Litopenaeus vannamei[J].Freshwater Fisheries,2008,38(2):12-16. |
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| Authors: | LIU Wei WEN Hua WU Jian-kai JIANG Ming WU Fan |
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| Abstract: | To investigate the effects of high-level dietary copper(Cu)on growth and Cu accumulation in muscle and hepatopancreas of Litopenaeus vannamei,formulating 6 groups of dietary which contain Cu 11.68,34.71,58.06,109.76,201.51,419.50 mg/kg(C0,C25,C50,C100,C200,C400)to feed the Litopenaeus vannamei(mean initial weight 0.49±0.03g)for 8 weeks.The results showed:high-level dietary Cu had toxicity,survival of C0,C25,C50(51.11%,37.78%,14.81%)were significantly lower than the other groups(P<0.05);with dietary Cu supplementation increased,weight gain ratio(WG),feed efficiency(FE)and specific growth rate(SGR)first increased and then decreased,WG and SGR of C50 were significantly higher than the other groups(P<0.05),FE of C25 and C50 were significantly higher than the other groups(P<0.05);at the end of the 8th week,Cu accumulation in muscle and hepatopancreas increased with time and dietary Cu supplementation increased significant(P<0.05).In the stage of experiment,muscle Cu accumulation were between 3.10 mg/kg and 11.08 mg/kg;hepatopancreas Cu accumulation were between 10.89 mg/kg and 449.48 mg/kg.Hepatopancreas Cu accumulation was higher than muscle Cu accumulation at the same group.Muscle Cu accumulation were less than 50 mg/kg,it′s safe for eat.Hepatopancreas Cu accumulation were more than 50mg/kg except C0group. |
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| Keywords: | high-level dietary copper Litopenaeus vannamei growth muscle hepatopancreas Cu accumulation |
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