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Position: Home > Articles > Histological and morphometric studies on the annual gonadal maturation cycle of spotted halibut Verasper variegatus Progress in Fishery Sciences 2011,32 (3) 9-17

圆斑星鲽卵巢发育的组织学和数量形态特征研究

作  者：
徐永江;柳学周;刘君刚;赵明;王妍妍;曲建忠
单  位：
青岛市渔业技术推广站;农业部海洋渔业资源可持续利用重点开放实验室青岛市海水鱼类种子工程与生物技术重点实验室中国水产科学研究院黄海水产研究所;青岛忠海水产有限公司
关键词：
圆斑星鲽;卵巢发育;组织学特征;数量形态特征
摘  要：
研究了圆斑星鲽卵巢年周期发育的组织学规律及其数量形态特征变化。结果表明,圆斑星鲽产卵属1年1次成熟分批产卵类型,卵巢发育属非同步分批成熟类型。性成熟亲鱼在年周期发育中经历5个发育时期,同时可见5个发育时相的卵母细胞,不同发育时期的卵巢中卵母细胞类型和组成比例不同。性腺指数(GSI)、肝脏指数(HSI)和肥满度(CF)在亲鱼的年周期发育中呈现规律性的变化,与卵巢发育呈现密切的关联。亲鱼卵巢发育的有效积温为1 050日度。
译  名：
Histological and morphometric studies on the annual gonadal maturation cycle of spotted halibut Verasper variegatus
作  者：
XU Yong-jiang1 LIU Xue-zhou1 LIU Jun-gang2 ZHAO Ming1WANG Yan-yan1 QU Jian-zhong3(1 Key Laboratory for Sustainable Utilization of Marine Fisheries Resources,Ministry of Agriculture,Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,266071)(2 Qingdao Centre of Popularization of Fisheries Technology,266071)(3 Qingdao Zhonghai Fishery Co.Ltd.,266414)
关键词：
Verasper variegatus Ovary development Histological characters
摘  要：
The annual ovarian maturation cycle of spotted halibut Verasper variegatus was studied by employing light microscopy and morphometric methods.The spotted halibut features asynchronous oocyte development and batch spawnings.In sexually matured female,the oocyte growth consisted five phases,and the ovary maturation cycle consisted five stages accordingly.Gonadosomatic index(GSI),hepatosomatic index(HSI) and condition factor(CF) were all found to increase prior to,or during the peak phase of vitellogenic growth corresponding to the gonad development.The effective accumulated temperature for spotted halibut female broodstock is 1 050 d·℃.The results would highlight the reproductive cycle of captive female broodstocks of spotted halibut,and also serve as useful tools for broodstock breeding and determination of timing for hormone induced spawning.

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