Korean Journal of Environmental Biology (환경생물)

Korean Society of Environmental Biology (한국환경생물학회)
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Effects of Polychlorinated Biphenyls (PCBs) on the Reproduction of the Oily Bitterling, Acheilognathus koreensis(Teleostei: Cyprinidae)

칼납자루, Acheilognathus koreensis의 생식에 미치는 polychlorinated biphenyls (PCBs)의 영향

  • 정선영 (여수대학교 수산과학연구소) ;
  • 진영국 (여수대학교 수산생명의학과) ;
  • 이정식 (여수대학교 수산생명의학과)
  • Published : 2004.03.01
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Abstract

The effects of polychlorinated biphenyls (PCBs) on the reproduction of the oily bitterling, Acheilognathus koreensis were investigated using histological methods. The experimental fishes were exposed to 0. 3.4, 9.3 and 25.8 ${\mu}g\; L^{-1}$ PCBs fey 8 weeks. Dead fishes and abnormal behavior were not observed in control and PCBs exposure group. In compared with control group, PCBs exposure fishes showed differences of gonadal development, gonadosomatic index (GSI), hepatosomatic index (BSI), nuptial color index (NCI) and ovipositor length index (OLI). These results showed that PCBs could disrupt reproductive process in the fish.

본 연구는 PCBs가 칼납자루의 생식에 미치는 영향을 조직학적인 방법을 사용하여 조사하였다. 0, 3.4, 9.3 그리고 25.8 ${\mu}g\; L^{-1}$의 PCBs에 8주 동안 노출 실험한 결과, PCBs에 의한 행동과 생존율에는 영향을 미치지 않았다. 대조구와 비교해볼 때 PCBs에 노출된 어류들은 생식소발달, 생식소중량지수 (GSI), 간중량지수 (HSI), 혼인색지수(NCI) 및 산란관지수(OLI)의 차이를 보였다. 이러한 결과는 PCBs가 이들 어류의 정상적인 생식소 발달 과정을 방해하는 것을 보여준다.

Keywords

References

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