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Evaluation of Fertilizer Value of Animal Cadavers for Agricultural Recycling

폐가축사체의 농업적 재활용을 위한 비료 가치 평가

  • Seo, Dong-Cheol (Department of Bio-Environmental Sciences, Sunchon National University) ;
  • Kang, Se-Won (Department of Bio-Environmental Sciences, Sunchon National University) ;
  • Choi, Ik-Won (Department of Bio-Environmental Sciences, Sunchon National University) ;
  • Sung, Hwan-Hoo (National Institute of Animal Science, Rural Development Administration) ;
  • Hur, Tai-Young (National Institute of Animal Science, Rural Development Administration) ;
  • Yoo, Ji-Young (Soil and Groundwater Research Division, National Institute of Environmental Research) ;
  • Lee, Young-Joon (Soil and Groundwater Research Division, National Institute of Environmental Research) ;
  • Heo, Jong-Soo (Division of Applied Life Science, Gyeongsang National University) ;
  • Kang, Seog-Jin (National Institute of Animal Science, Rural Development Administration) ;
  • Cho, Ju-Sik (Department of Bio-Environmental Sciences, Sunchon National University)
  • 서동철 (순천대학교 생물환경학과) ;
  • 강세원 (순천대학교 생물환경학과) ;
  • 최익원 (순천대학교 생물환경학과) ;
  • 성환후 (농촌진흥청 국립축산과학원) ;
  • 허태영 (농촌진흥청 국립축산과학원) ;
  • 유지영 (국립환경과학원 토양지하수 연구과) ;
  • 이영준 (국립환경과학원 토양지하수 연구과) ;
  • 허종수 (경상대학교 응용생명과학부) ;
  • 강석진 (농촌진흥청 국립축산과학원) ;
  • 조주식 (순천대학교 생물환경학과)
  • Received : 2011.09.14
  • Accepted : 2011.10.14
  • Published : 2011.10.31

Abstract

To evaluate fertilizer value of animal cadavers for agricultural recycling, fertilizer components of animal cadavers by pig and poultry were investigated using rendering and alkali (KOH) treatment methods. Total nitrogen concentrations in meat waste by pig and poultry using rendering treatment method were 7.80% and 9.30%, respectively. Total nitrogen concentration in meat waste of pig by KOH treatment method was lower than that by rendering treatment method. Organic matter concentrations in meat waste of pig and poultry ranged 87.8~97.4%. Total phosphorus concentrations in bone waste of pig using rendering and KOH treatment methods ranged 5.59~11.18%. Animal cadavers contains nitrogen, phosphorus, potassium and other nutrients essential to plant growth. The results of this study suggest that animal cadavers can supply some of the nutrient requirements of crops and is a valuable fertilizer as well.

Acknowledgement

Supported by : 농촌진흥청

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  2. Effect of Sawdust Mixing Ratio on Composting of Animal Cadaver Residue Using Rendering Treatment Method vol.45, pp.3, 2012, https://doi.org/10.7745/KJSSF.2012.45.3.404
  3. Selection of Optimal Degradation Agents for Hydrolysis of Animal Cadavers vol.45, pp.2, 2012, https://doi.org/10.7745/KJSSF.2012.45.2.241
  4. Degradation Rate and Velocity under Different Acidic and Alkaline Degradation Agents for Liquid Fertilizer of Rendering By-product vol.45, pp.5, 2012, https://doi.org/10.7745/KJSSF.2012.45.5.810