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Effects of Surfactant Tween 80 on Enzymatic Accessibility and Degradation of Orchardgrass (Dactylis glomerata L.) at Different Growth Stages

  • Goto, M. (Faculty of Bioresources, Mie University) ;
  • Bae, Hee-Dong (Research Station, Agriculture and Food Canada) ;
  • Yahaya, M.S. (Faculty of Bioresources, Mie University) ;
  • Karita, S. (Faculty of Bioresources, Mie University) ;
  • Wanjae, K. (Faculty of Bioresources, Mie University) ;
  • Baah, J. (Kyonggi Provincial Government) ;
  • Sugawara, K. (Faculty of Agriculture, Tohoku University) ;
  • Cheng, K.J. (Kyonggi Provincial Government)
  • 투고 : 2002.06.03
  • 심사 : 2002.08.26
  • 발행 : 2003.01.01

초록

The study evaluates the enzymatic dry matter (DM) degradability and water holding capacity of leaf and stem fractions of orchardgrass (Dactylis glomerata L.) at different growth stages with or without the presence of surfactant Tween 80. While Tween 80 significantly (p<0.05) increased water and enzyme holding capacities in the leaf blades fraction, less was observed in the fraction of leaf sheath and stem of orchardgrass. The enzyme holding capacity in the leaves was also altered more than that for water holding capacity. This resulted in the increased rate and extent of enzymatic hydrolysis of the leaf blade fractions at two growth stages, whereas little was with leaf sheath and stem fractions. It was also observed that at 0.005% concentrations of Tween 80 the enzymatic DM degradability of young leaf blades was higher (p<0.05) by 20-30% compared to that of the control, as well as for water and enzyme holding capacity. For matured leaf blades the DM degradability were increased with over 0.01% concentrations of the surfactant, but the increase was less than leaf blades of young orchardgrass. This result suggests the possibility of using the surfactant Tween 80 to improve forage digestibility in the rumen.

키워드

참고문헌

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피인용 문헌

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  2. Effects of dietary supplementation with alkyl polyglycoside, a nonionic surfactant, on nutrient digestion and ruminal fermentation in goats1 vol.88, pp.12, 2010, https://doi.org/10.2527/jas.2009-2397
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  6. 비이온성 계면활성제 Tween 80의 첨가가 반추위 혼합 미생물에 의한 in vitro 가스발생량, 건물소화율, 효소활력 및 미생물 성장율에 미치는 영향 vol.17, pp.12, 2003, https://doi.org/10.5352/jls.2007.17.12.1660
  7. Effects of Mixtures of Tween80 and Cellulolytic Enzymes on Nutrient Digestion and Cellulolytic Bacterial Adhesion vol.21, pp.11, 2003, https://doi.org/10.5713/ajas.2008.80333
  8. 비이온성 및 양쪽 이온성 계면활성제 첨가가 반추위 혼합 미생물의 성장과 볏짚의 in vitro 소화에 미치는 영향 vol.18, pp.4, 2008, https://doi.org/10.5352/jls.2008.18.4.515