지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
This study aimed to determine the effect of different dietary level of rice bran extract (RBO) on the laying performance, egg quality, blood parameter, cholesterol, and fatty acids in yolk of Hy-Line Laying hens. In all, 144 Hy-Line Brown laying hens (29 weeks old) were randomly allocated to one of 4 dietary treatments, with 4 replicates per treatment. A commercial basal diet was used and three additional diets were prepared by supplementing 2.5, 5.0 or 10.0 g/kg of RBO to the basal diet. The experimental diets were fed on an ad libitum basis to the bird during 8 weeks. Hen-day egg production increased (quadratic, p<0.05) with inclusion level of RBO, but feed intake, egg weight, and egg mass were not influenced by inclusion of level of RBO in diet. However, the supplementation of RBO did not have an effect on eggshell strength, eggshell thickness, egg yolk color, and HU during the feeding trial. There were no significant differences in the level of leukocyte. However, heterophil and lymphocytes decreased (quadratic, p<0.01) with inclusion level of RBO. H:L ratio tended to decrease (linear p=0.08) with inclusion level of RBO. As expected, increasing inclusion level of RBO in diets decreased (linear, p<0.01) the concentrations of total cholesterol in plasma. AST, ALT, glucose, and albumin were not affected by inclusion of RBO in diets. Egg yolk cholesterol increased (linear and quadratic, p<0.05) with inclusion level of RBO in diet. The results of this study indicate that dietary supplementation of RBO improves laying performance and decreased total cholesterol and egg yolk cholesterol levels in laying hens. Therefore, dietary RBO is considered a valuable functional ingredient to improve the performance of birds.
목차
ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
REFERENCES
참고문헌 (53)
참고문헌 신청
[학술지(정기간행물)] - Alzawqari M / 2011 / The effect of desiccated ox bile supplementation on performance, fat digestibility, gut morphology and blood chemistry of broiler chickens fed tallow diets / J Appl Anim Res 39 : 69 ~ 74
[학술지(정기간행물)] - Anitha B / 2006 / Production performance of broilers fed with rice bran oil / Int J Poult Sci 5 : 1046 ~ 1052
[단행본] - AOAC / 1990 / Official Method of Analysis / Association of Official Analytical Chemists
[학술지(정기간행물)] - Arlington VA / 2005 / Oil and fat in broiler nutrition / Braz J Poult Sci 1 : 129 ~ 141
[학술지(정기간행물)] - Benedito-de BC / 1978 / Toxic constituents of rice bran: Haemagglutinating activity of raw and heat treated bran / Rev Agroqium Technol Aliment 18 : 89 ~ 94
[학술지(정기간행물)] - Anitha B / 2006 / Production performance of broilers fed with rice bran oil / Int J Poult Sci 5 : 1046 ~ 1052
[단행본] - AOAC / 1990 / Official Method of Analysis / Association of Official Analytical Chemists
[학술지(정기간행물)] - Arlington VA / 2005 / Oil and fat in broiler nutrition / Braz J Poult Sci 1 : 129 ~ 141
[학술지(정기간행물)] - Benedito-de BC / 1978 / Toxic constituents of rice bran: Haemagglutinating activity of raw and heat treated bran / Rev Agroqium Technol Aliment 18 : 89 ~ 94
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UCI(KEPA) : I410-ECN-0101-2017-527-000774748