Comparison of embryonic development and early growth in normal and gynogenetic diploid of Yellow drum, Nibea albiflora
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Key Laboratory of Mariculture in the East China Sea , Ministry of Agriculture of China, Jimei University,Key Laboratory of Mariculture in the East China Sea , Ministry of Agriculture of China, Jimei University,K Key Laboratory of Mariculture in the East China Sea , Ministry of Agriculture of China, Jimei University,Key Laboratory of Mariculture in the East China Sea , Ministry of Agriculture of China, Jimei University,Fishery Technical Extension Station of Ningde City

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    Abstract:

    We observed the embryonic development of normal diploid (N), gynogenetic diploid (G) and haploid (H) of Nibea albiflora , and its early growth were compared. The results were as follows: (1) Fertilization rate N>H>G, Hatching rate N>G>H, Deformity rate H>G>N, 72 hours survival rate N>G>H. (2) It took about 21 hours 10 minutes for the normal diploid, for gynogenetic diploid and haploid, however, it took 23 hours 10 minutes and 23 hours 30 minutes to hatch, respectively. The embryonic development lag phenomenon were mainly appeared in early gastrula stage and hatching stage for gynogenetic diploid, in late gastrula stage for haploid. Morphologically, the haploid embryos showed typical haploid syndrome, while the gynogenetic diploid and normal diploid embryos had normal morphology and no significant difference between them. The death peak appeared in late gastrula stage for each group, all haploid larvae dead before mouth-open period. (3) Before 60 days age, the growth rate of gynogenetic diploid was obviously slower than normal diploid and individual quite different within the former group.

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杨育凯,简林江,王志勇,谢仰杰,陈庆凯.黄姑鱼正常二倍体和雌核发育体胚胎发育及早期生长的比较研究[J].上海海洋大学学报,2013,22(5).
YANG Yu-kai, JIAN Lin-jiang, WANG Zhi-yong, XIE Yang-jie, CHEN Qing-kai. Comparison of embryonic development and early growth in normal and gynogenetic diploid of Yellow drum, Nibea albiflora[J]. Journal of Shanghai Ocean University,2013,22(5).

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History
  • Received:March 27,2013
  • Revised:June 03,2013
  • Adopted:June 05,2013
  • Online: November 07,2013
  • Published:
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