淇河鲫的胚胎发生观察
Henan Shuichan(2018)
Abstract
采用连续观察法研究淇河鲫受精卵在水温24℃左右条件下,胚胎发育过程中不同阶段的形态特点.淇河鲫受精卵为淡黄色,椭圆形或圆球形,粘性卵,卵径为1.5~1.8 mm.其发育过程可分为受精卵胚盘形成阶段、卵裂、囊胚、原肠胚、神经胚、器官形成阶段和孵化出膜七个阶段,在此基础上还可细分成23个发育时期,整个胚胎发育过程历时约58 h,所需总积温约为1439.57 h.℃.
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