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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.1
- 발행연도
- 2016.3
- 수록면
- 80 - 86 (7page)
이용수
초록· 키워드
오류제보하기
An in vitro trial was conducted to examine the effects of total mixed rations (TMR) on fermentation characteristics and effective degradability (ED) by rumen microbes. Three TMR diets were growing period TMR (GR-TMR, 67% TDN), early fattening period TMR (EF-TMR, 75.4% TDN) and late fattening TMR (LF-TMR, 80% TDN). Three TMR diets (3 g of TMRs in each incubation bottles) was added to the mixed culture solution of stained rumen fluid with artificial saliva (1:1, v/v) and incubated anaerobically for 48 hours at 39℃. The pH in all incubation solutions tended to decrease up to 48h, but the opposite results were found in concentration of total gas production, ammonia-N and total VFA in all incubations.The total gas production (p＜0.05) in LF-TMR was highest compared with those of other diets. Also, concentration of total VFA was tended to increase in LF-TMR compared with other TMR diets in all incubations. The EDDM in both EF-TMR and LF-TMR was tended to high compared with GR-TMR (p=0.100). In this in vitro trials, concentration of propionate in all incubation solution was not affected by increased concentration of TDN. The results of the present in vitro study indicate that TMR may provide more favorable condition for nutrient digestion both in the rumen.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (12)
참고문헌 신청
AOAC. 1995. Official methods of analysis (13th Ed.). Association of Official Analytical Chemists, Washington, DC.
Fawcett JK, Scott JE. 1960. A rapid precise method for the determination of urea. Journal of Clinical Pathology 13:156-163.
Jin GL, Kim JK, Qin WZ, Jeong J, Jang SS, Shon YS, Choi CW, Song MK. 2012. Effect of feeding whole crop barley silage- or wholecrop rye silage based-TMR and duration TMR feeding on growth, feed cost and meat characteristics of Hanwoo steers. Journalof Animal Science and Technology 54:111-124.
Kaiser D, Weniger JH. 1994. In vivo and in vitro investigations for nutrient digestibility and heat production of ruminants under heatstress and different nutritional levels. V. Comparison of in vitro and in vivo investigations with respect to energy metabolism andenergy content of rations. Archiv. Tierzucht 37:535-545.
Li XZ, Long RJ, Yan CG, Choi SH, Jin GL, Song MK. 2010. Rumen microbial responses in fermentation characteristics andproduction of CLA and methane to linoleic acid in associated with alate or fumarate. Animal Feed Science and Technology.155:132-139.
Fawcett JK, Scott JE. 1960. A rapid precise method for the determination of urea. Journal of Clinical Pathology 13:156-163.
Jin GL, Kim JK, Qin WZ, Jeong J, Jang SS, Shon YS, Choi CW, Song MK. 2012. Effect of feeding whole crop barley silage- or wholecrop rye silage based-TMR and duration TMR feeding on growth, feed cost and meat characteristics of Hanwoo steers. Journalof Animal Science and Technology 54:111-124.
Kaiser D, Weniger JH. 1994. In vivo and in vitro investigations for nutrient digestibility and heat production of ruminants under heatstress and different nutritional levels. V. Comparison of in vitro and in vivo investigations with respect to energy metabolism andenergy content of rations. Archiv. Tierzucht 37:535-545.
Li XZ, Long RJ, Yan CG, Choi SH, Jin GL, Song MK. 2010. Rumen microbial responses in fermentation characteristics andproduction of CLA and methane to linoleic acid in associated with alate or fumarate. Animal Feed Science and Technology.155:132-139.
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UCI(KEPA) : I410-ECN-0101-2016-480-002738491