Journal of Animal Environmental Science (한국축산시설환경학회지)

The Korean Society of Animal Environmental Science & Technology (한국축산환경학회)
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The Effect of Horseradish Powder Level in Fattening Pig Diet on Odorous Compound Concentration from Manure

비육돈 사료의 고추냉이 첨가수준별 분뇨의 악취물질 농도 변화

  • Lee, K.H. (National Institute of Animal Science, RDA) ;
  • Hwang, O.H. (National Institute of Animal Science, RDA) ;
  • Park, K.H. (National Institute of Animal Science, RDA) ;
  • Yang, S.H. (National Institute of Animal Science, RDA) ;
  • Song, J.I. (National Institute of Animal Science, RDA) ;
  • Jeon, J.H. (National Institute of Animal Science, RDA) ;
  • Lee, J.Y. (National Institute of Animal Science, RDA) ;
  • Ohh, S.J. (Kangwon National University) ;
  • Sung, H.G. (Adbiotech Co. Ltd.) ;
  • Choi, D.Y. (National Institute of Animal Science, RDA) ;
  • Cho, S.B. (National Institute of Animal Science, RDA)
  • Received : 2012.11.12
  • Accepted : 2012.12.06
  • Published : 2012.12.30
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Abstract

This study was performed to test the effect of horseradish powder in fattening pig diet on odorous compound concentration from manure. Twenty fattening boars [Landrace ${\times}$ Yorkshire) ${\times}$ Duroc] weighing an average body weight of $68.4{\pm}4.95}$ kg were randomly assigned to one of 4 treatments (horseradish level in diets: 0, 0.01, 0.02, 0.03%) based on their body weight. This experiment was a randomized complete block (RCB) design using 5 pigs per treatment with 1 pig per metabolizable cage. Pigs were fed experimental diet (amount proportional to 3% of their body weight) twice a day (09:00 and 16:00) for 7 d after having 14 d adaptation period. Experimental diets were mixed with water by 1:2.5 v/v. Concentration of volatile fatty acids (VFAs) was highest (p<0.05) when pigs fed diet with 0.02% horseradish powder. Level of phenol compounds including phenol and p-cresol were decreased (p<0.05) in 0.01~0.02% horseradish treatment group compared with control group. Concentration of indoles including indole and skatole was lowest (p<0.05) in 0.03% horseradish treatment group compare to others. Therefore, results from our current study suggest that the optimal levels of horseradish powder in diet for reducing phenol and indole compounds in pig manure were 0.02 and 0.03%, respectively.

서양고추냉이를 비육돈에 급여하여 분뇨에서 발생되는 악취물질의 농도변화를 조사하였다. 1. 서양고추냉이 분말을 사료에 혼합하여 돼지에 급여한 후 분뇨의 단쇄지방산 농도를 측정한 결과, 사료에 고추냉이를 0.02% 혼합했을 때 아세트산, 프로피온산, 부티르산, 이소부티르산, 이소발레르산, SCFA 및 I-SCFA 농도가 가장 높았다(p<0.05). 2. 페놀과 p-크레졸을 합한 페놀류 농도는 고추냉이를 0.01~0.02% 첨가하였을 때 대조구보다 감소하였다(p<0.05). 인돌과 스카톨을 합한 인돌류 농도는 사료에 고추냉이를 0.03% 첨가하였을 때 가장 낮았다(p<0.05). 3. 따라서 분뇨의 페놀류 농도를 줄이기 위해서는 사료에 고추냉이를 0.02% 이하로 첨가하고, 인돌류 농도를 줄이기 위해서는 사료에 고추냉이를 0.03% 정도 첨가하여야 할 것으로 판단된다.

Keywords

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