Journal of The Korean Society of Grassland and Forage Science (한국초지조사료학회지)

The Korean Society of Grassland and Forage Science (한국초지조사료학회)
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Effect of Novel Lactobacillus plantarum KCC-10 and KCC-19 on Fermentation Characterization of Alfalfa Silage

신규 Lactobacillus plantarum KCC-10 및 KCC-19이 알팔파 사일리지의 발효 품질에 미치는 영향

  • Received : 2015.06.01
  • Accepted : 2015.06.08
  • Published : 2015.06.30
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Abstract

This study investigated the effect of novel Lactobacillus plantarum KCC-10 and KCC-19 on the quality and fermentation characterization of alfalfa silage at the experimental field of National Institute of Animal Science, Cheonan Province, Korea, from 2013 to 2014, and this experiment consisted of the following three treatments: control without lactic acid bacteria; treatment inoculated with L. plantarum KCC-10; and treatment inoculated with L. plantarum KCC-19. The contents of crude protein, acid detergent fiber, neutral detergent fiber, total digestible nutrient and in vitro dry matter digestibility of alfalfa silage were not affected by either L. plantarum KCC-10 or KCC-19. The pH of alfalfa silage in L. plantarum KCC-10 and KCC-19 treatments decreased as compared to control. The level of lactic acid in L. plantarum KCC-10 and KCC-19 treatments increased (p<0.05), whereas the contents of acetic acid and butyric acid decreased(p>0.05). In addition, the numbers of lactic acid bacteria in L. plantarum KCC-10 and KCC-19 treatments increased as compared to control (p<0.05). Therefore, these results suggest that the inoculation of L. plantarum KCC-10 and KCC-19 into alfalfa silage can improve the quality of silage through increased lactic acid content and lactic acid bacteria.

본 연구에서는 알팔파를 이용하여 사일리지 제조시 L. plantarum KCC-10 및 KCC-19를 접종하여 사일리지의 사료가치, 품질 및 미생물상의 변화를 조사하였다. 알팔파 사일리지 제조시 조단백질, ADF, NDF, TDN 함량 그리고 in vitro 건물소화율은 무접종구와 비슷하였다. L. plantarum KCC-10 및 KCC-19 접종구는 무접종구에 비해 알팔파 사일리지의 pH는 감소 되었으나 (p>0.05), 젖산함량은 L. plantarum KCC-10 및 KCC-19 접종구에서 증가하였다 (p<0.05). 그러나 초산 및 낙산 함량은 젖산균 접종구에서는 증가하였으나 통계적인 차이는 보이지 않았다 (p>0.05). 알팔파 사일리지 젖산균 단독 처리구의 젖산균 수는 무접종구에 비해 현저하게 증가하였다 (p<0.05). 이상의 결과를 요약해 보면 알팔파 사일리지 제조시 L. plantarum KCC-10 및 KCC-19 접종에 의해 사일리지의 젖산함량과 젖산균수가 증가되었다.

Keywords

References

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