Environmental Analysis Health and Toxicology

The Korean Society of Environmental Health and Toxicology (환경독성보건학회)
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Effects of Nonylphenol on Early Development of Olive Flounder, Paralichthys olivaceus

Nonylphenol이 넙치, Paralichthys olivaceus의 초기 발생에 미치는 영향

  • 문순주 (제주대학교 해양과환경연구소) ;
  • 김진완 (제주대학교 해양과환경연구소) ;
  • 나오수 (제주대학교 해양과환경연구소) ;
  • 김병호 (류큐대학 열대생물권연구센터) ;
  • 이영돈 (제주대학교 해양과환경연구소) ;
  • 김형배 (강릉도립대학 수산개발과) ;
  • 최영찬 (제주대학교 해양과학대학 해양과학부)
  • Published : 2002.03.01
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Abstract

Effects on nonylphenol (NP) treatment on early development of fertilized eggs and survival of larvae in olive flounder, Paralichthys olivaceus were investigated. Fertilized eggs and hatched larvae were exposed to aqueous solutions of NP at nominal concentrations of 50, 100, 150 and 200 $\mu\textrm{g}$/L. In the control I and II (methanol-carrier control) groups, the hatchability of fertilized eggs were 90.7$\pm$7.02 and 90.0$\pm$5.29％ (P <0.05), respectively. However, treatments of NP concentrations at 50, 100, 150 and 200 ug/L were reduced to 78.7$\pm$4.16, 46.0$\pm$9.17, 48.0$\pm$3.46 and 33.3$\pm$11.02% (P<0.05), respectively. The time to hatching of fertilized eggs was delayed in high-dose NP treatment groups rather than control groups. Fertilized eggs of NP immersed group could not hatch normally, and also vertebra of the larvae observed as abnormal shape. Cumulative mortality of hatched larvae after 26hr NP treatment was 38.3, 78.3, 88.3 and 100% in NP 50, 100, 150 and 200 ug/L treatment groups, respectively. Whereas, control I and II were 11.7, 16.7% (P<0.05). Hatched larvae showed most death at the embryonic development stage with abnormalities. These results suggest that NP treatment in fertilized eggs and larvae was inhibited as normally development for fertilized egg and growing of larvae.

Keywords

References

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