养殖密度对史氏鲟稚鱼生长的影响

应用生态学报 ›› 2002, Vol. ›› Issue (6): 735-738.

养殖密度对史氏鲟稚鱼生长的影响

庄平^1,2, 李大鹏³, 王明学³, 张征¹, 章龙珍^1,2, 张涛¹

1. 中国水产科学研究院长江水产研究所, 荆州 434000;
2. 中国水产科学研究院东海水产研究所, 上海 200090;
3. 华中农业大学水产学院, 武汉 430070

收稿日期:2000-01-31 修回日期:2000-09-23 出版日期:2002-06-15
通讯作者: 庄平,男,1960年出生,博士,研究员,博士生导师,主要从事鱼类生态学研究,发表论文50余篇.Tel:021-55530921,E-mail:pzhuang@hotmail.com
基金资助:
国家自然科学基金项目(39870126);国家“十五”重点科技攻关计划项目(2001BA505B0511);中国水产科学研究院基金资助项目(960104)

Effect of stocking density on growth of juvenile Acipenser schrenckii

ZHUANG Ping^1,2, LI Dapeng³, WANG Mingxue³, ZHANG Zheng¹, ZHANG Longzhen^1,2, ZHANG Tao ¹

1. Yangtze River Fisheries Research Institute, CAFS, Jingzhou;
2. East China Sea Fisheries Research Institute, CAFS, Shanghai 200090;
3. Fisheries College, Huazhong Agricultural University, Wuhan 430070

Received:2000-01-31 Revised:2000-09-23 Online:2002-06-15

摘要/Abstract

摘要： 养殖密度对史氏鲟生长影响的研究结果表明,在养殖密度分别为0.232、0.665、1.347和2.469kg·m^-2的流水环境中,各密度组的史氏鲟稚鱼的生长表现为不等速性,但生长离散没有加剧.试验持续28d后,各组的生长表现出显著差异,生长效率、特定生长率和日增重都随密度的增大而降低,而饵料转化率和净增重随密度的增大而增大.特定生长率(SGR)与养殖密度(D)之间存在着显著的负相关.

关键词: 史氏鲟鱼, 特定生长率, 生长效率, 饲料转化率, 人工饲养

Abstract: The effect of stocking density on growth of juveniles Acipenser schrenckii was studied, and the results showed that juveniles Acipenser schrenckii reared for 28 days in a flowing water system under different stocking densities of 0.232,0.665,1.347,and 2.469 kg穖^-2 grew in allometry. There were no significant differences between the final and initial SVunder the four treatments. The growth efficiency,DWG,NY, and SGR of juveniles were decreased with the increase of stocking densities. However, the FCRand NYwere increased with the increase of stocking densities. There were significant differences between these parameters under the low and high densities treatment after 28 days. Moreover, there was a significant negative linear correlation between stocking density (D) and special growth rate (SGR).

Key words: Acipenser schrenckii, Specific growth rate, Growth efficiency, Feed conversion rate, Aquaculture

中图分类号:

庄平, 李大鹏, 王明学, 张征, 章龙珍, 张涛. 养殖密度对史氏鲟稚鱼生长的影响[J]. 应用生态学报, 2002, (6): 735-738.

ZHUANG Ping, LI Dapeng, WANG Mingxue, ZHANG Zheng, ZHANG Longzhen, ZHANG Tao . Effect of stocking density on growth of juvenile Acipenser schrenckii[J]. Chinese Journal of Applied Ecology, 2002, (6): 735-738.

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