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KMID : 1024520180270050341
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Journal of the Environmental Sciences
2018 Volume.27 No. 5 p.341 ~ p.344
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A Study on Fatty Acid Profiles of Eggs in Older Laying Hens fed Diets Supplemented with Bentonite
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Choi In-Hag
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Abstract
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This study was conducted to determine the effects of dietary bentonite supplementation on the fatty acid profiles of eggs in older laying hens. A total of 90 Hy-line Brown layers, 74 weeks of age, were confined in 6 wire cages and then assigned randomly to two groups to receive one of the two diets (3 replicates of 15 older layers each) containing 0 and 0.2% bentonite for 4 weeks. After the 4-week feeding trial, no remarkable differences in individual fatty acid, saturated fatty acid (SFA), unsaturated fatty acid (UFA), and mono unsaturated fatty acid (MUFA) levels were found. However, linoleic acid, docosahexaenoic acid, and poly unsaturated fatty acid (PUFA) and UFA/SFA ratio were influenced by 0.2% bentonite. In conclusion, supplementation with 0.2% bentonite improved the profiles of PUFA more than those of SFA, UFA, and MUFA inthe eggs of the older laying hens.
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KEYWORD
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Bentonite, Fatty acid profiles of egg, Older laying hens, Poly unsaturated fatty acid
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