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

The Korean Society of Grassland and Forage Science (한국초지조사료학회)
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Study on Nutritive Value and In Situ Ruminal Degradability of Whole Crop Rice Silage Prepared Using Chucheongbyeo

추청벼 총체 사일리지의 사료가치 및 부위별 In situ 분해율에 관한 연구

  • 기광석 (농촌진흥청 국립축산과학원) ;
  • 박수범 (농촌진흥청 국립축산과학원) ;
  • 임동현 (농촌진흥청 국립축산과학원) ;
  • 박성민 (농촌진흥청 국립축산과학원) ;
  • 김상범 (농촌진흥청 국립축산과학원) ;
  • 권응기 (농촌진흥청 국립축산과학원) ;
  • 이세영 (천안연암대학) ;
  • 최기춘 (농촌진흥청 국립축산과학원)
  • Received : 2013.07.12
  • Accepted : 2013.08.15
  • Published : 2013.12.31
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Abstract

We investigated the nutritive value and ruminal in situ dry matter degradability of whole crop rice silage prepared using Chucheongbyeo (WCRS) as a roughage source for ruminants. The crude protein (7.54%), acid detergent fiber (29.63%), neutral detergent fiber (62.98%), and total digestible nutrient (TDN) (57.88%) found higher in WCRS than those of rice straw. Manganese content in the WCRS was the highest, followed by carbon, iron, zinc, and copper, but magnesium content was the lowest. Glutamic acid content in WCRS was the highest, followed by leucine, asparagine, alanine, valine, arginine, and methionine content was the lowest. We examined ruminal in situ digestibility from total whole crop rice (TWCR), rice husks containing rice (RHR), whole crop rice except RHR (WER), and husked grain (HG) for 3, 6, 12, 24, and 48 hours. Ruminal in situ digestibility in the HG was the highest, followed by RHR, TWCR, and WER. Therefore, we suggest that ruminal in situ degradability was influenced by parts of whole crop rice, and the content of manganese and glutamic acid were the highest in WCRS.

본 연구는 추청벼를 이용하여 총체 벼 사일리지를 조제하였을 때 총체 벼 사일리지의 사료가치 및 부위별 소화율을 조사하여 총체 벼의 이용성을 검정하기 위하여 수행되었다. 총체 벼 사일리지의 무기물 함량은 망간이 가장 높았으며 탄소, 철, 아연, 구리 등 순으로 나타났다. 그리고 마그네슘 함량이 가장 낮게 나타났다. 추청벼 총체 사일리지의 아미노산은 glutamic acid 함량이 가장 높았으며 leucine, asparagine, alanine, valine, arginine 순으로 나타났다. 그리고 methionine 함량이 가장 낮았다. 추청벼 총체 사일리지 부위(총체 벼, 낟알을 제거한 줄기, 왕겨를 포함한 낟알, 쌀)에 따른 시간별 반추위내 건물 소화율은 쌀이 가장 높았으며 왕겨를 포함한 낟알, 총체 벼, 낟알을 제거한 줄기 등 순으로 나타났다. 따라서 본 연구에서는 추청벼 총체 사일리지 소화율은 부위에 따라 약간의 차이를 보였으며 무기물 중 망간 그리고 아미노산 중 glutamic acid가 가장 높은 함량을 보였다.

Keywords

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