Journal of Animal Science and Technology

Korean Society of Animal Sciences and Technology (한국축산학회)
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The Study on the Amount and Major Compositions of Excreta from Swine

돼지의 분뇨 배설량 및 분뇨 성분 조사

  • 황보종 (농촌진흥청 국립축산과학원) ;
  • 홍의철 (농촌진흥청 국립축산과학원) ;
  • 박희두 (농촌진흥청 국립축산과학원) ;
  • 김동운 (농촌진흥청 국립축산과학원) ;
  • 조성백 (농촌진흥청 국립축산과학원)
  • Received : 2010.03.29
  • Accepted : 2010.08.05
  • Published : 2010.08.31
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Abstract

This work was carried out to investigate the quantity of excreta and its composition in crossbred pigs (Yorkshire ${\times}$ Landrace ${\times}$ Duroc) at different stages of growth. Twelve young piglets (average BW weight of $19.0{\pm}0.33kg$) were used in this study. Pigs were divided into four phases during growing time and two phases during finishing time. The average excreta production for growing pig was 3.46 kg/head/day (feces: 1.07 kg, urine: 2.39 kg). The average moisture contents of feces and urine were 70.54% and 97.39%, respectively. Contents of Calcium, Magnesium, Copper, Plumbum, and Arsenic were 1.00%, 0.26%, 10.47 mg/kg, 2.43 mg/kg, and 1.02 mg/kg, respectively. The concentration of the water pollutants like Biochemical Oxygen Demand ($BOD_5$), Chemical Oxygen Demand (COD), Suspended Solid (SS), Total Nitrogen (TN) and Total Phosphorus (TP), excreted from pig were 96335, 61073, 207466, 8104 and 4209 mg/L in feces and 7364, 7149, 2715, 10110 and 613 mg/L in urine at the end of test, respectively. The daily loading amount of water pollutants ($BOD_5$, COD, SS, TN, and TP, respectively) in pig excreta were 102.1, 61.8, 221.6, 8.7, and 3.9 g/head/day in feces, and 19.3, 16.7, 8.0, 22.2, and 1.3 g/head/day in urine, respectively. The Nitrogen, $P_2O_5$, and $K_2O$ contents in the excreta of pigs were 0.96, 0.83 and 0.42% in feces, and 0.80, 0.09 and 0.53% in urine, respectively. Finally, this work was suggested to give basic information to swine farms.

돼지의 성장단계별 사료섭취량, 음수량 및 분뇨 배설량과 분뇨특성 등에 대한 정확한 자료 제시로 양돈농가에서 돈분뇨 처리에 기본 자료로 활용하여 적절한 분뇨처리를 유도하고, 장기적인 축산분뇨 정책을 수립하기 위해 실시한 본 시험을 요약하면 다음과 같다. 공시돈은 평균체중 $19.00{\pm}0.33kg$의 3원교잡종(Landrace ${\times}$ Yorkshire ${\times}$ Duroc) 자돈 12두와 번식돈 12두를 공시하여, 육성 비육돈 성장 4단계(20, 50, 80, 110 kg)와 번식돈 2단계(임신돈, 포유돈)에 걸쳐 실시하였다. 돼지 평균 분뇨 배설량은 자돈에서 3.46 kg/두/일(분: 1.07 kg, 뇨: 2.39 kg)이고 분과 뇨의 평균 수분함량은 각각 70.54%와 97.39%이었다. 분 중 칼슘, 마그네슘, 구리, 납 및 비소의 함량은 각각 1.00%, 0.26%, 10.47 mg/kg, 2.43 mg/kg 및 1.02 mg/kg이었다. 본 시험에서 카드뮴과 수은은 모든 성장 단계에서 검출되지 않았다. 돼지 분뇨의 $BOD_5$, CODmn, SS, T-N, T-P의 오염물질농도는 각각 분에서 96,335 mg/${\ell}$, 61,073 mg/${\ell}$, 207,466 mg/${\ell}$, 8,104 mg/${\ell}$ 및 4,209 mg/${\ell}$, 뇨에서 7,364 mg/${\ell}$, 7,149 mg/${\ell}$, 2,715 mg/${\ell}$, 10,110 mg/${\ell}$ 및 613 mg/${\ell}$이었다. 돈 분뇨에서 BOD, $COD_{mn}$, SS, T-N 및 T-P의 오염물질 부하량은 분에서 각각 일일 두당 102.1 g, 61.8 g, 221.6 g, 8.7 g 및 3.9 g이었고, 뇨에서 19.3 g, 16.7 g, 8.0 g, 22.2 g 및 1.3 g이었다. 또한 분뇨의 비료성분인 N, $P_2O_5$ 그리고 $K_2O$의 함량은 각각 분에서 0.96%, 0.83% 및 0.42% 이었으며, 뇨에서 0.80%, 0.09% 및 0.53% 이었다.

Keywords

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