文章摘要
宋炜,宋佳坤,范纯新,张涛,王斌.全人工繁殖西伯利亚鲟的早期胚胎发育[J].水产学报,2010,34(5):777~785
全人工繁殖西伯利亚鲟的早期胚胎发育
Study on the early embryonic development of artificial bred Siberian sturgeon, Acipenser baeri
投稿时间:2009-12-19  修订日期:2010-03-02
DOI:10.3724/SP.J.1231.2010.06753
中文关键词: 西伯利亚鲟  胚胎发育  积温
英文关键词: Acipenser barei  embryonic development  accumulative temperature
基金项目:上海市科学技术委员会2008年科研计划资助项目(073205109);上海市优秀青年科研专项基金;上海市重点学科建设项目(S30701)
作者单位E-mail
宋炜 上海海洋大学海洋生物系统和神经科学研究所 swift83@163.com 
宋佳坤 上海海洋大学海洋生物系统和神经科学研究所  
范纯新 上海海洋大学海洋生物系统和神经科学研究所  
张涛 中国水产科学研究院东海水产研究所农业部海洋与河口渔业重点开放实验室  
王斌 浙江省杭州千岛湖鲟龙科技开发有限公司  
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中文摘要:
      西伯利亚鲟是重要的经济鱼类和进化发育研究材料。对全人工繁殖西伯利亚鲟的早期胚胎发育进行了观察和研究,成熟西伯利亚鲟卵呈球形、黑色、不透明、平均卵径为2.9 mm;在水温15.5~18.0 ℃下,受精卵历时133 h开始孵出,所需总积温为2 173~2 369 ℃·h;根据对西伯利亚鲟胚胎发育外部形态及典型特征的观察与分析,将其胚胎发育过程划分为合子、卵裂、囊胚、原肠胚、神经胚、器官形成和出膜7个阶段,共34个发育时期,并对胚胎发育各期的主要形态特征进行描述。
英文摘要:
      As one of the oldest sub cold water fish, Acipenser barei is valuable in term of fish research and economy. In order to provide information that may help with the improvement of artificial propagation and evolutional development study, the morphological observation during embryonic development of A.barei were studied under rearing conditions. Under 15.5-18.0 ℃, it took 133 h from fertilization to hatching with the average cumulation temperature of 2 173-2 369 ℃·h. The embryonic development process could be divided into 7 stage, including fertilized egg stage, cell division stage, blastula stage, gastrula stage, neurula stage, organ formation stage and hatching stage, and contained thirty four developing phases, each of which the characteristics were described. The cleavage pattern is radial holoblastic cleavage, and is similar to that of amphibian, but not obviously different with many other fishes; however, the disc cleavage is something like that of bony fish.
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