转基因鲤放流试验湖鲫的年龄与生长  

Age and growth of crucian carp from the artificial lake where transgenic common carp juveniles were experimentally released

作　　者：李为[1,2] 张堂林[1] 段明[1,2] 

机构地区：[1]中国科学院水生生物研究所,武汉430072 [2]中国科学院研究生院,北京100039

出　　处：《淡水渔业》2010年第2期9-13,29,共6页Freshwater Fisheries

基　　金：国家重点基础研究发展计划课题(2007CB109205);国家自然科学基金项目(30770377;30970553)

摘　　要：以鳞片作为年龄鉴定材料,研究转基因鲤(Cyprinus carpio)放流试验的人工湖中鲫(Carassius auratus)的年龄组成、大小与生长特性。结果显示:鲫种群由4个年龄组(1 a^4 a)构成。体重(W,g)与体长(L,mm)的关系式为:W=2.597×10-5L3.0133;体长与鳞径(R,mm)的关系式为:L=7.4+29.8R。生长模式可用von Bertalan-ffy生长方程描述:Lt=28.8[1-e-0.254(t+0.307)],Wt=668.9[1-e-0.254(t+0.307)]3.0133,体重生长拐点年龄ti=4.04 a。还对转基因鲤放流人工湖泊中鲫的生长数据同其它湖泊中的作了比较。这些数据为今后探讨转基因鲤种群的建立对鲫生长的影响积累了背景资料。Carassius auratus（Linnaeus） from the artificial lake（6.6 hm^2） where growth-enhanced transgenic common carp juveniles were experimentally released was studied.The population of crucian carp is composed of four age groups（1～4） by using scales for age determination.The relationship between body weight（W,g） and body length（L,mm） was described by the equation W=2.597 × 10-5L3.0133,and the linear regression on body length and scale radius（R,mm） was L=7.4＋29.8R.The von Bertalanffy growth equation was as follows：Lt=28.8[1-e^-0.254（t＋0.307）],Wt=668.9[1-e^-0.254（t＋0.307）]3.0133,and the inflexion point of body weight growth was ti=4.04a.Moreover,the comparisons of growth of crucian carp were made between the artificial lake and other lakes.Such information would be useful for evaluating potential impacts of the transgenic fish on the growth of crucian carp.

关 键 词：转基因鲤(Cyprinus carpio) 人工湖泊 鲫(Carassius auratus) 年龄鉴定 生长 

分 类 号：S965.116[农业科学—水产养殖] Q418[农业科学—水产科学]