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鮸鱼胚胎发育的研究
徐 镇1, 李明云1, 陈惠群1
宁波大学生命科学与生物工程学院
摘要:
研究了人工繁殖时鮸鱼(Miichthys miiuy)胚胎的发育过程。鮸鱼受精卵呈圆球形,浮性,卵径为0.99~1.15 mm,中央大多具有1个油球,少数为2~3个或较多个油球。在水温为24.5~24.7℃,盐度为24的天然海水中,鮸鱼胚胎发育历时约21h 48 min孵化出膜。整个胚胎发育分为5个阶段,共21个发育期。
关键词:  鮸鱼(Miichthys miiuy)  人工繁殖  胚胎发育  
DOI:
分类号:
基金项目:宁波市科技局项目(2004C100023);宁波大学校学科项目(XK200442,XK200443)
Study on the embryonic development of Miichthys miiuy
Abstract:
The embryonic development of Miichthys miiuy is described in this paper. The fertilized eggs are spherical in shape, isolated and buoyant, measuring 0.99~1.15 mm in diameter. Most eggs have one oil globule and a few eggs have 2~3 or more oil globules. The fertilized eggs are hatched out in natural sea water with temperature in about 22 h and salinity of 24.5~24.7℃ and 24 respectively. The embryonic development can be divided into 5 stages 21 phases.
Key words:  Miichthys miiuy  artificial spawning  embryonic development  
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