지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 충남대학교 농업과학연구소 Korean Journal of Agricultural Science Korean Journal of Agricultural Science Vol.46 No.1
- 발행연도
- 2019.3
- 수록면
- 125 - 135 (11page)
이용수
초록· 키워드
오류제보하기
Late-maturing Dark Horse, and early-maturing High Speed oat varieties were seeded on March 3, 2016 and harvested on three periods: May 31, June 10, and June 20 coded as early, mid, and late-harvest, respectively. Dried and ground samples were subjected to chemical analysis to determine nutritional values such as crude protein (CP), neutral detergent fiber (NDF), acid detergent fiber (ADF), ether extract (EE), organic matter (OM), and total digestible nutrient (TDN). Effective degradability (ED) of nutrients and fermentation characteristics including volatile fatty acid (VFA) composition, pH, gas production, and ammonia-N concentration were evaluated through an in vitro digestion method. Varieties of oat hays showed significant difference in terms of nutritional value, ED, and fermentation characteristics. Dark Horse showed higher CP and OM, and lower EE contents than High Speed. Dark Horse also showed higher EDDM (dry matter), NDF, ADF, and OM than High Speed, and although High Speed showed higher pH and ammonia-N, it had lower gas and total VFA production than Dark Horse. However, in terms of harvest period, significant difference was only observed in Dark Horse where early-harvest increased the CP, and late-harvest increased the NDF and OM contents. In addition, early-harvest of Dark Horse increased the EDDM and EDNDF of the forage. Therefore, early-harvest of late-maturing Dark Horse would give better nutrient efficiency than High Speed. Allowing Dark Horse to advance in maturity would decrease its nutrient productivity and efficiency.
목차
Abstract
Introduction
Materials and methods
Results
Discussion
Conclusions
References
참고문헌 (28)
참고문헌 신청
AOAC (Association of official analytical chemists) / 1995 / Official methods of analysis / AOAC
Bergman EN / 1990 / Energy contributions of volatile fatty acids from the gastrointestinal tract in various species / Physiological Reviews 70:567~590
Calsamiglia S / 2002 / Effects of pH and pH fluctuations on microbial fermentation and nutrient flow from a dual-flow continuous culture system / Journal of Dairy Science 85:574~579
Cherney J / 1982 / Small grain crop forage potential : II. Interrelationships among biological, chemical, morphological, and anatomical determinants of quality1 / Crop Science 22:240~245
Contreras-Govea FE / 2006 / Forage production and nutritive value of oat in autumn and early summer / Crop Science 46:2382~2386
Bergman EN / 1990 / Energy contributions of volatile fatty acids from the gastrointestinal tract in various species / Physiological Reviews 70:567~590
Calsamiglia S / 2002 / Effects of pH and pH fluctuations on microbial fermentation and nutrient flow from a dual-flow continuous culture system / Journal of Dairy Science 85:574~579
Cherney J / 1982 / Small grain crop forage potential : II. Interrelationships among biological, chemical, morphological, and anatomical determinants of quality1 / Crop Science 22:240~245
Contreras-Govea FE / 2006 / Forage production and nutritive value of oat in autumn and early summer / Crop Science 46:2382~2386
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UCI(KEPA) : I410-ECN-0101-2019-520-000479316