[1]韦信键,刘贤德,王志勇.32个大黄鱼家系早期阶段生长性状比较及遗传参数估计[J].集美大学学报(自然版),2013,18(5):321-328.
 WEI Xin-jian,LIU Xian-de,WANG Zhi-yong.The Comparison of Growth-related Traits in the Early Stage and Its Genetic Parameter Estimation of 32 Large Yellow Croaker Families Larimichthys crocea[J].Journal of Jimei University,2013,18(5):321-328.
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32个大黄鱼家系早期阶段生长性状比较及遗传参数估计()
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《集美大学学报(自然版)》[ISSN:1007-7405/CN:35-1186/N]

卷:
第18卷
期数:
2013年第5期
页码:
321-328
栏目:
水产科学与生物工程
出版日期:
2013-09-25

文章信息/Info

Title:
The Comparison of Growth-related Traits in the Early Stage and Its Genetic Parameter Estimation of 32 Large Yellow Croaker Families Larimichthys crocea
作者:
韦信键12刘贤德12王志勇12
(1.集美大学水产学院,福建 厦门 361021 ;2.农业部东海海水健康养殖重点实验室,福建 厦门 361021 )
Author(s):
WEI Xin-jian12LIU Xian-de12WANG Zhi-yong12
(1.Fisheries CollegeJimei University Xiamen 361021China2.Key Laboratory of Mariculture in the East China Sea Ministry of Agriculture of China,Xiamen 361021,China)
关键词:
大黄鱼家系生长性能遗传参数
Keywords:
Larimichthys croceapedigreegrowth-related traitsgenetic parameters
摘要:
    利用不平衡巢式设计方法构建了32个大黄鱼家系(包括15个父系半同胞家系和2个母系半同胞家系),培育至1月龄和6月龄时,分别从每个家系中随机抽取30尾,测量全长和体重,比较不同家系的生长性能,并进行遗传参数估计.结果表明:1)1月龄以家系f505生长最快,6月龄以家系f215生长最快,筛选出快速生长家系3个(家系f215、f301和f312)、生长较快家系11个(家系f201、f424、f202、f309、f310、f402、f307、f311、f406、f418和f314);2)1月龄大黄鱼的全长和体重的遗传力分别为(0.67±0.18)、(0.79±0.10),6月龄全长和体重的遗传力分别为(0.31±0.31)和(0.40±0.32);3)1月龄和6月龄大黄鱼体重和全长2个生长性状之间表型和遗传均高度相关,相关的范围分别为0.83~0.90和0.97~0.98.本研究结果表明,大黄鱼生长性状具有较大的遗传改良空间和选育潜力
Abstract:
Using unbalanced nested design methods and artificial insemination technology to build 32 large yellow croaker (Larimichthys crocea) families as based materials (including 15 paternal half-sib families and 2 maternal half-sib families) in the Genetics and Breeding Research Base of large yellow croaker of JMU in the fall of 2011.Thirty individuals of L.crocea were sampled randomly from each family at one-month-old and six-month-old and the full length and body mass of L.crocea were measured.Variance analysis and comparison of growth performance was performed among the pedigrees at their different growth stages.The genetic parameters of two growth-related traits for L.crocea were estimated with two traits animal model by ASReml 4 .0 software.Results showed:f505 and f215 were respectively the fastest-growing families at one-month-old and at six-month-old.The three fastest growth families (f215,f301 and f312) and the eleven faster growth families (f201,f424,f202,f309,f310,f402,f307,f311,f406,f418 and f314) were obtained at six-month-old.Heritability estimated for the full length and body mass of L.crocea were (0.67±0-18) and (0.79±0.10) at one -month-old,and (0.31±0.31) and (0.40±0.32) at six -month-old,respectively.The phenotypic and genetic correlations between the two growth-related traits were highly positive,which were respectively in the range of 0.83 to 0.90 and 0.97 to 0.98.This study indicated that growth-related traits should respond well to selection in L.crocea

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更新日期/Last Update: 2014-06-28