Determination of pesticides in dead wild birds in Korea

우리나라 폐사 야생조류에서의 농약 분석

  • Kim, MeeKyung (National Veterinary Research and Quarantine Service) ;
  • Yun, Seon Jong (National Veterinary Research and Quarantine Service) ;
  • Kim, Dong-Gyu (National Veterinary Research and Quarantine Service) ;
  • Bong, Young-Hoon (National Veterinary Research and Quarantine Service) ;
  • Kim, Heuijin (National Veterinary Research and Quarantine Service) ;
  • Jang, Jung-Hee (National Veterinary Research and Quarantine Service) ;
  • Chung, Gab-Soo (National Veterinary Research and Quarantine Service)
  • Accepted : 2008.05.30
  • Published : 2008.08.01

Abstract

Pesticides are extensively used for the control of crop pests in agriculture and forestry. Organophosphate (OP) and carbamate pesticides are especially effective for the control of a variety of harmful insects. However, these cholinesterase inhibitors are also dangerous to non-target organisms (wildlife and other animals) because of their high acute toxicity. Most poisonings by pesticides occur as a result of misuse or accidental exposure, but intentional killing of unwanted animals also occurs. At the request of a local autonomous entity, we investigated wild bird poisonings by pesticides from 2003 to 2007. The 207 suspicious samples of pesticide poisoning based on the necropsy were analyzed by GC/NPD, GC/FPD, or GC/MSD. We looked for trends in the identification of pesticides in wild birds thought to have died from poisoning. Pesticides were determined in 59% of the total samples analyzed. Phosphamidon and monochrotophos were the most common pesticides identified, which amounted to 77% of the subtotal. Other OP and carbamate pesticides were also found in various concentrations from dead wild birds. The determined rates of pesticides were as high as 86% and 76% in 2003 and 2006, respectively, during an outbreak of avian influenza in Korea.

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