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논문 기본 정보

자료유형
학술저널
저자정보
Jun-Sang Ahn (RDA) Jong-Suh Shin (Kangwon National University) Ki-Yong Chung (RDA) Hwan Lim (Kangwon National University) Jang-Gun Choi (Kangwon National University) Ji-Hyung Kim (Kangwon National University) Eung-Gi Kwon (RDA) Byung-Ki Park (Nonghyup Feed Co., LTD.)
저널정보
충남대학교 농업과학연구소 Korean Journal of Agricultural Science Korean Journal of Agricultural Science Vol.45 No.4
발행연도
2018.12
수록면
695 - 706 (12page)

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초록· 키워드

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This study was conducted to investigate the effect of a steam chamber type on the ruminal fermentable characteristics and nutrient degradabilities of corn flakes in Hanwoo. Three Hanwoo equipped with a ruminal fistula were used as experimental animals. There were two treatments: Corn flake using a steam chamber (CFSC, 1.0 atm - 100℃ 96 min) or corn flake using a pressurized steam chamber (CFPSC, 1.5 atm - 111℃ 12 min), respectively. In the in vitro trial, the ruminal pH was significantly lower in the CFPSC than in the CFSC (p < 0.01). The ammonia concentration was increased by 14.1% in the CFPSC compared to the CFSC (p < 0.05). The concentration of acetic acid was higher in the CFSC than in the CFPSC (p < 0.01). The concentrations of propionate, butyrate and total-VFA at 24 and 48 h were higher in the CFPSC than in the CFSC (p < 0.05). In the in situ trial, the degradability of dry matter was significantly higher in the CFSC than in the CFSC (p < 0.01). In addition, the degradabilities of starch and crude protein were significantly higher in the CFSC than in the CFSC (p < 0.01). Thus, the present results indicate that the pressurized steam chamber could be recommended to improve the feed value of corn flake according to the increase in the starch degradability and volatile fatty acid production.

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Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusion
References

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