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学科主题: Fisheries
题名: Effect of starvation on biochemical composition and gametogenesis in the Pacific oyster Crassostrea gigas
作者: Liu, WG ; Li, Q ; Gao, FX ; Kong, LF
通讯作者: qili66@ouc.edu.cn
关键词: Crassostrea gigas ; Starvation ; Biochemical composition ; Gametogenesis
刊名: FISHERIES SCIENCE
发表日期: 2010
卷: 76, 期:5, 页:737-745
收录类别: sci
部门归属: [Li, Qi; Gao, Fengxiang; Kong, Lingfeng] Ocean Univ China, Coll Fisheries, Qingdao 266003, Peoples R China; [Liu, Wenguang] Chinese Acad Sci, Key Lab Marine Bioresources Sustainable Utilizat, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Li, Qi; Gao, Fengxiang; Kong, Lingfeng] Mariculture Inst Shandong Prov, Qingdao 266003, Peoples R China
项目归属: LMB
摘要: The effects of starvation on biochemical composition and gametogenesis were investigated in the Pacific oyster Crassostrea gig,as. Histological analysis, combined with oocyte examination and measurements of protein, glycogen and lipid levels and RNA/DNA ratio from gonad, adductor muscle and mantle tissue of each sex were performed. In the starved groups, C. gigas showed gonad development, but the progress was delayed during the experiment. Glycogen was the first substrate used by C. gigas for dealing with lack of food. While glycogen was rapidly consumed, protein and lipid contents decreased gradually. A decrease in the RNA/DNA ratio in the starved groups in all the body components was found during starvation, illustrating that RNA/DNA ratio was a valid indicator of nutritional condition in C. gigas. A significant increase in water and ash contents and a corresponding decrease in condition index were observed in the starved groups, showing that the water and ash content and condition index were related to the usage of glycogen, lipid and protein reserves in body composition. During starvation, energy reserves were mobilized for survival and gonad development, but spawning was arrested. The information obtained in this study is useful for broodstock management in the Pacific oyster industry.
原文出处: 查看原文
WOS记录号: WOS:000283964600003
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/3730
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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Recommended Citation:
Liu, WG; Li, Q; Gao, FX; Kong, LF.Effect of starvation on biochemical composition and gametogenesis in the Pacific oyster Crassostrea gigas,FISHERIES SCIENCE,2010,76(5):737-745
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文件名: Effect of starvation on biochemical composition and gametogenesis in the Pacific oyster Crassostrea gigas .pdf
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