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심수민,천현식,김승수,이주환,오현윤,곽정훈,원승건,나창식 (사)한국축산환경학회 2022 한국축산시설환경학회지 Vol.24 No.3
This study conducted a status survey on livestock carcasses' occurrence and disposal by livestock species in Korea for livestock farms, slaughterhouses, and private disposal facilities. The annual amount of livestock carcass in Korea is 158,000 tons, and the mortality rate by livestock species is 2.4% for beef cattle, 4.8% for dairy cattle, 19.9% for swine, 6.7% for broilers, 4.9% for layers, and 3.8% for ducks. Most of the livestock carcasses generated are buried or composted on the farm. As the number of dead livestock is expected to increase steadily, a management system for the occurrence of livestock carcasses and storage-disposal-recycle is urgent to establish.
심수민,전태빈,김승수,이주환,오현윤,곽정훈,원승건,나창식 (사)한국축산환경학회 2023 한국축산시설환경학회지 Vol.25 No.1
This study was conducted to development of a regional livestock manure treatment model based on nutrient balance. The treatment model converted from compostingoriented livestock manure treatment to wastewater treatment and solid refuse fuel in public treatment facilities due to the excess nutrient balance of arable land. The inputs of 15.2% nitrogen and 22.6% phosphorus decreased, and all could be accommodated through nutrients consumed by crop cultivation. Therefore, applying regional livestock manure treatment models and nutrient management plans that control chemical fertilizers and organic fertilizers, which are the sources of nutrient input, is expected to activate a crop-livestock farming system that considers crop productivity and soil environment.