Study of growth characteristics of pond-reared one-year-old Alosa sapidissima
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Shanghai Fisheries Research Institute,Shanghai Fisheries Technical Extension Station,Shanghai Fisheries Research Institute,Shanghai Fisheries Technical Extension Station,Shanghai Fisheries Research Institute,Shanghai Fisheries Technical Extension Station,Shanghai Fisheries Research Institute,Shanghai Fisheries Technical Extension Station,Shanghai Fisheries Research Institute,Shanghai Fisheries Technical Extension Station,Shanghai Fisheries Research Institute,Shanghai Fisheries Technical Extension Station,Shanghai Fisheries Research Institute,Shanghai Fisheries Technical Extension Station

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    Abstract:

    Studies were conducted on the growth characteristics of one-year-old Alosa sapidissima in pond culture. The cultivation experiment was carried out in No.10 east and No.10 west ponds. The initial culture density was 15 600 ind/hm2, and the survival rate was 46.65% in No.10 east pond. By contrast, in No.10 west pond, the initial culture density was 9 600 ind/hm2, and the surviving rate was 42.70%. The growth characteristics of Alosa sapidissima in culture cycle were analyzed according to the merged date of growth. The results showed that body length growth increased by 48.3% and body weight growth increased by 286.8% in the condition of 16.4-30.8℃ after 185 days rearing. The relationship between body weight and body length was W=0.0067 L3.2603 (R2=0.941 6). The power was near 3 which indicated the growth of weight was the same as that of body length. The trend of the daily length increase looked U-shaped while the increase of daily weight looked W-shaped during the experiment. The fatness varied from 1.34 to 1.63, and the highest fatness appeared in the time frame of the highest average water temperature during the summer. The suitable water temperature was 16-30℃, and the optimum water temperature was 19-24℃.

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徐嘉波,税春,施永海,谢永德,陆根海,张海明,刘永士.池养美洲鲥1+龄鱼种生长特性的研究[J].上海海洋大学学报,2018,27(1):55-63.
XU Jiabo, SHUI Chun, SHI Yonghai, XIE Yongde, LU Genhai, ZHANG Haiming, LIU Yongshi. Study of growth characteristics of pond-reared one-year-old Alosa sapidissima[J]. Journal of Shanghai Ocean University,2018,27(1):55-63.

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History
  • Received:March 24,2017
  • Revised:November 23,2017
  • Adopted:November 23,2017
  • Online: January 31,2018
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