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Application of chemical treatment for cattle and chicken carcasses for the control of livestock infectious diseases

가축 전염병 발생에 따른 소와 닭 사체의 화학적 처리 방법의 적용

  • Lee, Taek Geun (College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University) ;
  • Oh, Yeonsu (College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University) ;
  • Ko, Young-Seung (College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University) ;
  • Bae, Da-Yun (College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University) ;
  • Tark, Dong-Seob (Korea Zoonosis Research Institute, Jeonbuk National University) ;
  • Rim, Chaekwang (RCK Co. Ltd.) ;
  • Cho, Ho-Seong (College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University)
  • 이택근 (전북대학교 수의과대학 및 생체안전성연구소) ;
  • 오연수 (강원대학교 수의과대학 및 동물의학종합연구소) ;
  • 고영승 (전북대학교 수의과대학 및 생체안전성연구소) ;
  • 배다윤 (전북대학교 수의과대학 및 생체안전성연구소) ;
  • 탁동섭 (전북대학교 인수공통전염병연구소) ;
  • 임채광 ((주)알씨케이) ;
  • 조호성 (전북대학교 수의과대학 및 생체안전성연구소)
  • Received : 2022.06.09
  • Accepted : 2022.06.16
  • Published : 2022.06.30

Abstract

In the event of an outbreak of a livestock epidemic, it has been considered that the existing burial-centered carcass disposal method should be improved ecofriendly for prevention of leachate and odors from burial basically in regard of pathogen inactivation. Therefore, the aim of this study is whether it was possible to treat the carcass of cattle and chickens using the chemical carcass treatment method. It was conducted to establish detailed treatment standards for the chemical treatment method of cattle and chicken carcasses based on the results of the proof of the absence of infectious diseases in cattle chickens. After inoculating cattle carcass with 10 pathogens (foot and mouth disease virus, bovine viral diarrhea virus, Mycobacterium bovis, Mycobacterium avium subsp. Paratuberculosis, Brucella abortus, Bacillus anthracis, Clostridium chauvoei, Clostridium perfringens, Escherichia coli, and Salmonella Typhimurium) and chicken carcasses with low pathogenic avian influenza virus, Clostridium perfringens type C, E. coli and Salmonella Typhimurium, these were treated at 90℃ for 5 hours in a potassium hydroxide liquid solution corresponding to 15% of the body weight. This method liquefies all cadaveric components and inactivates all inoculated pathogens by PCR and culture. Based on these results, it was possible to prove that chemical treatment of cattle and chicken carcasses is effective in killing pathogens and is a safe method without the risk of disease transmission. The chemical treatment method of livestock carcasses can be suggested as an alternative to the current domestic burial-centered livestock carcass treatment method, preventing environmental pollution, and contributing to public health.

Keywords

Acknowledgement

본 결과물은 농림축산식품부의 재원으로 농림식품기술기획평가원의 축산현안대응산업화기술개발사업의 지원을 받아 연구되었음(과제번호: 321087-5).

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