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수수의 옥수수대찬 및 메티오닌 , 라이신의 첨가가 육계의 능력에 미치는 영향
김광석,한인규,하종규,곽종형 ( K . S . Kim,I . K . Han,J . K . Ha,C . H . Kwack ) 한국축산학회 1986 한국축산학회지 Vol.28 No.11
This experiment was conducted to examine the effect of substituting sorghum grain for corn, and methionine and lysine supplementation on the chick performances. Two hundred and eighty male broiler chicks were divided into 28 groups of 10 birds. Substitution levels of sorghum grain for corn were 0% (diet 1), 40%(diet 2 and 3), 60%(diet 4 and 5), and 80%(diet 6 and 7) of corn. The basis of supplementing limiting amino acids (methionine and lysine) was to meet the level of chick`s requirements. There were no significant differences in weight gain among groups. Adding sorghum grain to the diet increased (p$lt;0.05) feed intake. However, no differences in feed intake were observed among sorghum grain fed groups. Increased feed intake by chicks fed sorghum grains may have been caused by lower energy density of sorghum grain. Feed efficiency of diet 1 (no sorghum diet) was significantly (p$lt;0.05) better than those of other dietary groups, which probably can be explained by the lower energy density in sorghum grain. The effect of amino acid supplementation to the sorghum diets was not prominent in the present study.
차량동역학해석 프로그램 AUTODYN7의 승차감 평가 모듈 개발에 관한 연구
김광석(K.S.Kim),유완석(W.S.Yoo) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.11_2
The purpose of this paper is to review several standards for evaluating ride quality. This paper also recommends for the effective use of such criteria in vehicle/component development. All proposed ride quality criteria are implimented as a ride quality evaluation module in the AUTODYN7 program