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题名: Genetic variations of body weight and GCRV resistance in a random mating population of grass carp
作者: Huang, Rong1; Sun, Jiaxian2; Luo, Qing1; He, Libo1; Liao, Lanjie1; Li, Yongming1; Guo, Fuhua2; Zhu, Zuoyan1; Wang, Yaping1
关键词: Ctenopharyngodon idellus ; full-sib families ; paternity test ; breeding ; Pathology Section
刊名: ONCOTARGET
发表日期: 2015-11-03
卷: 6, 期:34, 页:35433-35442
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Oncology ; Cell Biology
研究领域[WOS]: Oncology ; Cell Biology
英文摘要: The grass carp (Ctenopharyngodon idellus) is an important species in freshwater aquaculture both in China and on a global scale. Variety degeneration and frequent diseases have limited the further development of grass carp aquaculture. Thus, new and improved varieties are required. Here, we identified and assessed the body weight and disease resistance in a random mating population of 19 female x 22 male grass carp, which were derived from different water systems. In both the growth experimental group of 10,245 fish and grass carp reovirus (GCRV)-infected group with 10,000 fish, 78 full-sib families were statistically analyzed for body weight and GCRV resistance. The findings showed that body weight traits had low heritability (0.11 +/- 0.04, 0.10 +/- 0.03 and 0.12 +/- 0.05), GCRV resistance traits had high heritability (0.63 +/- 0.11); body weight was higher in 3 families, whereas GCRV resistance was significantly greater in 11 families. Our results confirmed that the natural germplasm resources of wild grass carp were genetically diverse. Breeding of GCRV resistant varieties of grass carp have better genetic basis. This study provides the basis for constructing basal populations for grass carp selective breeding, quantitative trait loci (QTL) and genome-wide association studies (GWAS) analysis.
关键词[WOS]: INFECTIOUS PANCREATIC NECROSIS ; COD GADUS-MORHUA ; SALMO-SALAR L. ; ATLANTIC SALMON ; MICROSATELLITE MARKERS ; DRAFT GENOME ; DISEASE ; GROWTH ; HERITABILITY ; EVOLUTION
语种: 英语
项目资助者: National High Technology Research and Development Program(2011AA100403) ; National Natural Science Foundation of China(31130055) ; Direction Program of Chinese Academy of Sciences(KSCX2-EW-N-004-3)
WOS记录号: WOS:000366111900035
ISSN号: 1949-2553
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/27448
Appears in Collections:鱼类生物学及渔业生物技术研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Peoples R China
2.Tongwei Co Ltd, Chengdu, Peoples R China
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