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.43 No.3
- 발행연도
- 2016.9
- 수록면
- 379 - 386 (8page)
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초록· 키워드
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Four ruminally cannulated Holstein steers (BW 482.9 ± 8.10 kg), fed low protein TMR (CP 11.7%) as a basal diet, were used to investigate changes in rumen fermentation and blood metabolism according to protein fraction, cornell net carbohydrates and protein system (CNCPS), and enriched feeds. The steers, arranged in a 4 × 4 Latin square design, consumed TMR only (control), TMR supplemented with rapeseed meal (AB1), soybean meal (B2), and perilla meal (B3C), respectively. The protein feeds were substituted for 23.0% of CP in TMR. Ruminal pH, ammonia-N, and volatile fatty acids (VFA) in rumen digesta, sampled through ruminal cannula at 1 h-interval after the morning feeding, were analyzed. For plasma metabolites analysis, blood was sampled via the jugular vein after the rumen digesta sampling. Different N fraction-enriched protein feeds did not affect (p > 0.05) mean ruminal pH except AB1 being numerically lower 1 - 3 h post-feeding than the other groups. Mean ammonia-N was statistically (p < 0.05) higher for AB1 than for the other groups, but VFA did not differ among the groups. Blood urea nitrogen was statistically (p < 0.05) higher for B2 than for the other groups, which was rather unclear due to relatively low ruminal ammonia-N. This indicates that additional studies on relationships between dietary N fractions and ruminant metabolism according to different levels of CP in a basal diet should be required.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (19)
참고문헌 신청
Armentano LE / 1993 / Lack of response to degradable protein to a low protein diet fed to midlactation dairy cows / Journal of Dairy Science 76:3755~3762
Choi CW. / 2003 / Assessment of the flow of soluble dietary non-ammonia nitrogen escaping degradation in the rumen of dairy cows fed grass silage based diets
최창원 / 2015 / 저단백질 TMR을 기초사료로 급여한 홀스타인 거세우에 있어서 CNCPS fraction별 고함유 단백질 공급이 반추위 발효패턴 및 혈액대사물질에 미치는영향 / Korean Journal of Agricultural Science 42(3):237~244
최창원 / 2011 / 수확시기별 총체벼 사일리지 급여가 거세한우 반추위 발효성상 및 혈액생리대사에 미치는 영향 / 한국초지조사료학회지 31(2):191~200
Choi CW / 2003 / Effects of type of grass silage and level of concentrate on the flow of soluble non-ammonia nitrogen entering the omasum of dairy cows / Journal of Animal and Feed Sciences 12:3~22
Choi CW. / 2003 / Assessment of the flow of soluble dietary non-ammonia nitrogen escaping degradation in the rumen of dairy cows fed grass silage based diets
최창원 / 2015 / 저단백질 TMR을 기초사료로 급여한 홀스타인 거세우에 있어서 CNCPS fraction별 고함유 단백질 공급이 반추위 발효패턴 및 혈액대사물질에 미치는영향 / Korean Journal of Agricultural Science 42(3):237~244
최창원 / 2011 / 수확시기별 총체벼 사일리지 급여가 거세한우 반추위 발효성상 및 혈액생리대사에 미치는 영향 / 한국초지조사료학회지 31(2):191~200
Choi CW / 2003 / Effects of type of grass silage and level of concentrate on the flow of soluble non-ammonia nitrogen entering the omasum of dairy cows / Journal of Animal and Feed Sciences 12:3~22
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UCI(KEPA) : I410-ECN-0101-2017-520-001376830