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논문 기본 정보

자료유형
학술저널
저자정보
정기용 (농촌진흥청) 장선식 (농촌진흥청) 이은미 (농촌진흥청) 김현주 (농촌진흥청) 박보혜 (농촌진흥청) 권응기 (농촌진흥청)
저널정보
충남대학교 농업과학연구소 Korean Journal of Agricultural Science 農業科學硏究 第42卷 第3號
발행연도
2015.9
수록면
261 - 268 (8page)

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초록· 키워드

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The aim of this study was to examine the effects of high energy diet on growth 26mon, 28mon, and 30mon in Hanwoo at different ages. High energy diet required not only an amount of concentrate on days of fattening periods but also induced cost for the management. We hypothesized that high energy diet was able to reduce a fattening period to reach a certain quality grade. A 2 x 3 factorial arrangement (High energy, control vs 26, 28, 30month endpoints) in a completely random design was used to feed 48 Hanwoo steers. Four steers were fed in same pen and 12 pens were used for treatment. Blood was drawn from each steers on every other months during early, middle, and final fattening periods. Over all ADG and feed efficiency were not different between high energy and control diet (P > 0.05). Dry matter intake was induced 30 mo-old early and final fattening periods at high energy diet. Serum glucose concentration were increased (P < 0.05) at 30 and 26month old steers. Marbling scores were greater at 30 month old than 26 and 28 month old Hanwoo steers. Carcass weight of Hanwoo steers were greater at 30 mon-old groups than other groups. These result indicated that high energy diet (+3% TDN) and slaughter endpoint collectively contribute to the observed quality grade compositional differences among three final fattening periods of Hanwoo steers.

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Abstract
I. 서론
II. 재료 및 방법
III. 결과 및 고찰
IV. 요약
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UCI(KEPA) : I410-ECN-0101-2016-480-001947361