Journal of Animal Science and Technology

  • 제51권1호
  • /
  • Pages.15-24
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  • 2009
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  • 2672-0191(pISSN)
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  • 2055-0391(eISSN)
한국축산학회 (Korean Society of Animal Sciences and Technology)
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다양한 유기산제들의 급여가 이유자돈의 성장과 영양소 소화율에 미치는 효과

Comparison of the Efficacy of Different Organic Acids on Growth Performance and Nutrient Digestibility in Weaned Pigs

  • 주지환 (강원대학교 동물자원과학과) ;
  • ;
  • 최재용 (강원대학교 동물자원과학과) ;
  • 최순천 (강원대학교 동물자원과학과) ;
  • 조원탁 ((주) 진바이오텍) ;
  • 채병조 (강원대학교 동물자원과학과)
  • Joo, Ji-Whan (Department of Animal Resources Science, Kangwon National University) ;
  • Yang, YuXin (Department of Animal Resources Science, Kangwon National University) ;
  • Choi, Jae-Yong (Department of Animal Resources Science, Kangwon National University) ;
  • Choi, Soon-Chon (Department of Animal Resources Science, Kangwon National University) ;
  • Cho, Won-Tak (Genebiotech. Co.) ;
  • Chae, Byung-Jo (Department of Animal Resources Science, Kangwon National University)
  • 투고 : 2008.11.11
  • 심사 : 2009.02.18
  • 발행 : 2009.02.01
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초록

본 연구는 다양한 유기산제들의 급여가 이유자돈의 성장과 영양소 소화율에 미치는 영향을 비교하기 위하여 2번의 사양실험을 수행하였다. 실험 1과 실험 2에서는 각각 이유자돈 180두 (4처리, 3반복, 15두/반복)를 공시하였다. 실험 1은 기초사료에 formic acid, ammonium-formate, lactic acid 그리고 acid mixture를 각각 0.5%씩 첨가하여 총 5주간 사양실험을 실시하였으며, 실험 2는 formic acid, ammonium-formate, lactic acid 그리고 acid mixture를 각각 0.3%씩 첨가하여 총 6주간 사양실험을 실시하였다. Acid mixture는 formic acid와 lactic acid가 50:50의 비율로 혼합된 제제를 사용하였다. 외관상 회장아미노산 소화율을 측정하기 위하여 각 처리별 3두, 총 12두를 공시하여 T-cannula를 회장 말단부에 부착시킨 후 적응기간을 거쳐 회장내용물을 채취하였다. 사양성적은 유기산 종류에 따른 개선 효과는 없는 것으로 나타났으나 (실험 1), acid mixture 급여구에서 증체량이 lactic acid 급여구보다 높은 것으로 나타났다 (실험 2). 외관상 회장 아미노산 소화율은 lactic acid 급여구보다 acid mixture 급여구에서 개선되는 것으로 나타났다 (실험 1과 2). 실험 1과 2의 결과를 종합하였을 때 acid mixture (formic acid + lactic acid) 급여는 이유자돈의 사양성적과 외관상 회장 아미노산 소화율을 개선시키는 것으로 판단된다.

Two experiments were conducted to compare the effects of different organic acids on growth performance and apparent nutrients digestibility in weaned pigs. In both the experiments, 180 pigs were assigned to four treatments with three replicates comprising of 15 pigs in each. Formic acid, ammonium-formate, lactic acid, and acid mixture were added to diets at 0.50% (Exp. 1) and 0.30% (Exp. 2) as dietary treatments for 5 and 6 wk feeding trial, respectively. The acid mixture was prepared by mixing formic acid and lactic acid at 50:50 ratios. To investigate the apparent ileal amino acids digestibility, twelve pigs (3 per treatment) were used and fitted with simple ileo-caecal T-cannula for both experiments. In Exp.1, growth performance was comparable (P>0.05) among pigs fed different organic acids, while acid mixture had higher (P<0.05) weight gain than that of lactic acid in Exp.2. The apparent ileal digestibility of amino acids was highest (P<0.05) in pigs fed acid mixture and lowest (P<0.05) in pigs fed formic acid diets in both experiments. These results indicated that supplementation with acid mixture (formic acid and lactic acid) improved performance and ileal amino acid digestibility in weaned pigs.

키워드

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  1. Characterization and Evaluation of Melanocortin 4 Receptor (MC4R) Gene Effect on Pork Quality Traits in Pigs vol.54, pp.1, 2012, https://doi.org/10.5187/JAST.2012.54.1.1