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수수-수수 교잡종 원형곤포 및 트렌치 사일리지 부위별 사료가치 및 품질

Nutritive Values and Quality of Sorghum-Sorghum Hybrid Bale and Trench Silage According to Those Parts

  • 최기춘 (농촌진흥청 국립축산과학원) ;
  • 류재혁 (농촌진흥청 국립축산과학원) ;
  • 정민웅 (농촌진흥청 국립축산과학원) ;
  • 박형수 (농촌진흥청 국립축산과학원) ;
  • 김다혜 (농촌진흥청 국립축산과학원) ;
  • 김천만 (농촌진흥청 국립축산과학원) ;
  • 김맹중 (농촌진흥청 국립축산과학원) ;
  • 김종근 (농촌진흥청 국립축산과학원) ;
  • 김원호 (농촌진흥청 국립축산과학원) ;
  • 임영철 (농촌진흥청 국립축산과학원) ;
  • 최기준 (농촌진흥청 국립축산과학원)
  • 투고 : 2012.02.29
  • 심사 : 2012.07.30
  • 발행 : 2012.09.30

초록

본 연구는 수수 ${\times}$ 수수 교잡종의 원형 곤포 및 트렌치 사일리지의 부위에 따른 사료가치 및 품질에 미치는 영향을 구명하기 위하여 천안에 위치한 국립축산과학원 자원개발부에서 수행되었다. 수수${\times}$ 수수 교잡종 SS405는 5월 초순에 파종한 다음 출수기에 수확하여 사일리지로 조제하였다. 원형 곤포사일리지의 조단백질, NDF 함량 및 in vitro 건물소화율은 트랜치 사일리지와 비슷한 수준을 보였으나 NDF 및 TDN 함량에서는 원형 곤포사일리지 보다 트랜치 사일리지에서 약간 증가하였다. 사일리지 부위별 조단백질 함량은 외부나 중간부위 보다 내부에서 약간의 감소를 보였으나(p<0.05), NDF, ADF 및 TDN 함량 및 in vitro 건물소화율에서는 차이를 보이지 않았다. 원형 곤포사일리지의 젖산 함량은 트랜치 사일리지 보다 유의적으로 감소하였으며(p<0.05) 초산 함량도 감소하는 경향을 보였을 뿐 유의차는 나타나지 않았다. 그리고 사일리지 부위별 젖산, 초산 및 낙산 함량은 큰 차이를 보이지 않았다.

This study was performed to investigate the effects of various parts of sorghum-sorghum hybrid (SSH) silage on nutritive values and qualities of SSH round bale silage and trench silage. SSH "SS405" was harvested at heading stages and ensiled. Samples of SSH silage used in this study were collected in three different parts (outer, middle and inner). The contents of crude protein (CP) and neutral detergent fiber (NDF), and in vitro dry matter digestibility (IVDMD) in SSH round bale silage showed trends similar to SSH trench silage. However, the contents of acid detergent fiber (ADF) and total digestible nutrient (TDN) in SSH trench silage appeared slightly an increased trend, as compared to SSH round bale silage. The contents of CP in inner parts of both SSH round bale silage and trench silage were lower than those of Outer and middle parts (p<0.05). However, The contents of NDF, ADF and TDN, and IVDMD were not different between the parts of SSH silage. The content of lactic acid in SSH round bale silage was significantly decreased (p<0.05), as compared to SSH trench silage. The content of acetic acid appeared an decreased trends, but there is not significantly different between SSH round bale silage and trench silage. In addition, the contents of lactic acid, acetic acid and butyric acid were not different between the parts of SSH silage.

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