Environmental Analysis Health and Toxicology

The Korean Society of Environmental Health and Toxicology (환경독성보건학회)
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Acute Toxicity of Four Agrochemicals on Larval and Juvenile Oriental Weatherfish(Misgurnus anguillicaudatus)

미꾸리(Misgurnus anguillicaudatus)의 치어 및 자어에 대한 4가지 농약의 급성독성

  • Yeom, Dong-Hyuk (Ecotoxicology Research Team, Korea Institute of Toxicology) ;
  • Lee, Sung-Kyu (Ecotoxicology Research Team, Korea Institute of Toxicology)
  • 염동혁 (안전성평가연구소 생태독성연구팀) ;
  • 이성규 (안전성평가연구소 생태독성연구팀)
  • Published : 2006.12.31
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Abstract

미꾸리(Misgurnus anguillicaudatus)에 대한 4가지 농약(diazinon, carbaryl, fenpropathrin, myclobutanil)의 급성독성을 평가하기 위하여, 치어 및 자어 단계(postlarva I, postlarva II, 8 WPH(weeks posthatch), 16 WPH, 20 WPH, 32 WPH, 40 WPH)의 미꾸리를 사용하여 급성독성실험을 실시하였다. 각 생육단계 별로 구해진 각 실험농약의 96-hr $LC_{50}$값을 비교하여 미꾸리에 대한 급성독성이 높은 순서를 정리한 결과는 Fenproparthri>Diazinon>Carbaryl, Myclobutanii 순으로 나타났다. 또한, 본 연구에서 사용된 4가지 농약의 독성은 미꾸리의 생육단계에 따라 차이를 나타냈다. 농약에 대한 감수성이 민감한 미꾸리의 생육단계 순으로 정리하면 Postlarva I>Postlarva II, 8 WPH>16 WPH, 20 WPH, 32 WPH, 40 WPH 나타났다. 그러므로 환경관리 및 규제목적으로 미꾸리 성체를 사용하여 독성실험을 할 경우에는 독성을 과소평가 할 수도 있음을 보여주었다.

Keywords

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