비타민C및 E급여가 한우 거세우의 도체등급과 지방산 조성에 미치는 영향
Effects of Dietary Vitamin C and E on Carcass Grade and Fatty Acid Composition of Hanwoo Steers
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본 시험은 vitamin C와 E 급여가 한우 거세우의 도체등급, 성분 함량 및 지방산 조성에 미치는 영향을 규명하기 위하여 실시하였다. 시험구는 대조구(비타민 C 비급여 및 비타민 E 20 IU/kg feed), 비타민 C 급여구(비타민 C 0.1%/kg feed 및 비타민 E 20 IU/kg feed), 비타민 E 급여구(비타민 E 220 IU/kg feed) 및 비타민 C와 E 혼합 급여구(비타민 C 0.1%/kg feed 및 비타민 E 220 IU/kg feed)의 네 처리구로 나누어 출하 전 90일 동안 사양시험을 실시하였고, 도체등급, 배최장근의 비타민 C와 E 함량 및 지방산 조성을 조사하였다.육량등급은 비타민 C와 E 혼합 급여구가 다른 구보다 좋았고, 육질등급은 대조구와 비타민 급여구간에 유의적인 차이는 없었다. 배최장근 중의 일반성분 함량은 대조구와 비타민 급여구간에 뚜렷한 차이는 나타나지 않았고, 배최장근 중의 비타민 C 함량은 비타민 C 급여구 및 비타민 C와 E 혼합 급여구가 높았으며, 비타민 E 함량은 비타민 E 급여구 및 비타민 C와 E 혼합 급여구가 높았다. 배최장근 중의 지방산 조성 중 myristic acid, palmitic acid, palmitoleic acid 및 oleic acid는 비타민 C 급여구가 높았고, linoleic acid는 비타민 E 급여구가 높았으며, 총 포화지방산과 총 불포화지방산은 처리구간에 유의적인(P<0.05) 차이는 없었다.
Abstract
This experiment was carried out to investigate the effects of dietary vitamin C and E on carcass characteristics of Hanwoo steers. Thirty seven Hanwoo steers were randomly assigned to one of four treatments. The four treatments were control(vitamin E 20 IU/kg feed), vitamin C(vitamin C 0.1%/kg feed and vitamin E 20 IU/kg feed), vitamin E(vitamin E 220 IU/kg feed) and vitamin C plus E(vitamin C 0.1%/kg feed and vitamin E 220 IU/kg feed). Hanwoo steers were fed experimental diets for 3 months of the last finishing period.Animals fed the diet containing vitamin C plus E had higher(P<0.05) yield grade than those fed the other diets but quality grade was not different between animals fed the control diet and vitamin- supplemented diets. Proximate analysis in longissimus dorsi was not different between animals fed the control diet and vitamin-supplemented diets. Vitamin C concentration in longissimus dorsi was higher (P<0.05) in the animals fed the vitamin C diet and the vitamin C plus E diet than in those fed the control diet and the vitamin E diet. Vitamin E concentration in longissimus dorsi was higher(P<0.05) in the animals fed the diet supplemented with vitamin E and the diet supplemented with vitamin C plus E than in those fed the control diet and the vitamin C diet.Animals fed the diet supplemented with vitamin C was higher(P<0.05) in myristic acid, palmitic acid, palmitoleic acid and oleic acid in the longissimus dorsi than those fed the other diets, but linoleic acid in longissimus dorsi was higher(P<0.05) in the animals fed the vitamin E diet than those fed the other diets. However, saturated fatty acid and unsaturated fatty acid were not different between animals fed the control diet and vitamin-supplemented diets.
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