Journal of Aquaculture (한국양식학회지)

The Korean Society of Fisheries and Aquatic Science (한국양식학회)
권호 표지

Low Salinity Tolerance of the Larvae and Juvenile of Black Porgy Acanthopagrus schlegeli

감성돔 자.치어의 저염분 내성

  • Park, Sang-Yong (Department of Marine Biotechnology, Soonchunhyang University) ;
  • Choi, Woon-Soo (Korea Fisheries Infrastructure Promotion Association) ;
  • Chang, Young-Jin (Department of Aquaculture, Pukyong National University) ;
  • Bang, In-Chul (Department of Marine Biotechnology, Soonchunhyang University)
  • 박상용 (순천향대학교 해양생명공학과) ;
  • 최운수 (한국어촌어항협회) ;
  • 장영진 (부경대학교 양식학과) ;
  • 방인철 (순천향대학교 해양생명공학과)
  • Published : 2009.02.25
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Abstract

Salinity tolerance on survival rate of 2, 4 and 6-week-old larvae and juvenile of black porgy Acanthopagrus schlegeli was investigated at 0, 7.5, 15, 22.5 and 30 psu for 21 days. In the 2 and 4-week-old larvae and juvenile (TL: 1.23 and 1.72 cm) were all died within 12 and 26 hours after to the 0 psu transfer, respectively. However, survival rate of other experimental group (7.5, 15, 22.5 and 30 psu) was significantly difference in the range between 27.3% and 95% (P<0.05). However survival rate of 6-weeks-old juvenile (TL: 2.83 cm) were over 99.0% during experimental periods and they appeared in good health. There was no significant difference in survival those reared to the salinities of all experimental groups (P>0.05). The present study suggests that the freshwater and saline groundwater of low salinity could be used to grow early juveniles of black porgy and it may be possible to culture in freshwater.

Keywords

References

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