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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 475 - 484 (10page)
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This study was conducted to evaluate the effect of the thickness of corn flakes produced by pressurized steam chamber (PSC) on rumen fermentation characteristics and nutrient degradability in Hanwoo and Holstein cows. Corn flakes were treated by PSC, in three groups based on corn flake thickness: < 2.5 mm (T1), 2.5?3.0 mm (T2), and > 3.0 mm (T3). Corn flake thickness significantly influenced pH (p < 0.01) and propionate concentration (p < 0.05) and slightly but not significantly influenced acetate, butyrate, and total-volatile fatty acids (T-VFA) concentrations. The dry matter (DM) degradability increased significantly with a reduction in corn flake thickness (p < 0.01), being significantly greater in T1 and T2 than T3 groups (p < 0.01) and similar between T1 and T2 groups throughout whole incubation time. Also, starch degradability was the lowest in T3 groups than others (p < 0.01). Thus, the present results showed that considering the production efficiency and economic feasibility, the optimal thickness of corn flakes produced in a PSC is recommended to be 2.5?3.0 mm.
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참고문헌 (28)
참고문헌 신청
Ahn JS / 2017 / Study on optimal processing condition of the pressurized steam chamber and feed value evaluation for quality improvement of corn flaked
Zinn RA / 2002 / Flaking corn : processing mechanics, quality standards, and impacts on energy availability and performance of feedlot cattle / J Anim Sci 80:1145~1156
Hales KE / 2010 / Effects of varying bulk densities of steam-flaked corn and dietary roughage concentration on in vitro fermentation, performance, carcass quality, and acid-base balance measurements in finishing steers / J Anim Sci 88:1135~1147
Schwandt EF / 2017 / Flake density, roll diameter, and flake moisture all influence starch availability of steam-flaked corn / Kans Agric Exp Stn Res Reports 31:22
Plascencia A / 1996 / Influence of flake density on the feeding value of steam-processed corn in diets for lactating cows / J Anim Sci 74:310~316
Zinn RA / 2002 / Flaking corn : processing mechanics, quality standards, and impacts on energy availability and performance of feedlot cattle / J Anim Sci 80:1145~1156
Hales KE / 2010 / Effects of varying bulk densities of steam-flaked corn and dietary roughage concentration on in vitro fermentation, performance, carcass quality, and acid-base balance measurements in finishing steers / J Anim Sci 88:1135~1147
Schwandt EF / 2017 / Flake density, roll diameter, and flake moisture all influence starch availability of steam-flaked corn / Kans Agric Exp Stn Res Reports 31:22
Plascencia A / 1996 / Influence of flake density on the feeding value of steam-processed corn in diets for lactating cows / J Anim Sci 74:310~316
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