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首页> 外文期刊>Revista Brasileira de Ciência Avícola >LIPID METABOLISM INDICES AND FATTY ACIDS PROFILE IN THE BLOOD SERUM OF BROILER CHICKENS FED A DIET WITH LIGNOCELLULOSE
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LIPID METABOLISM INDICES AND FATTY ACIDS PROFILE IN THE BLOOD SERUM OF BROILER CHICKENS FED A DIET WITH LIGNOCELLULOSE

机译：脂质代谢指标和脂肪酸谱在肉鸡鸡血血清中喂养饮食的木质纤维素

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The aim of the research was to determine lipid metabolism indices and fatty acid profile in the blood serum of Ross 308 chickens (n = 48), fed a finisher mixture supplemented with 0, 0.25, 0.5 and 1.0% of lignocellulose. The feeding trial lasted from 21 to 42 d of the birds' age. Blood samples were collected from each chicken at 42d of age from the pterygoid canal vein. In the blood serum the content of triglycerides (TG), total cholesterol (TCHOL) and high density lipoprotein (HDL) fraction was determined by the spectrophotometric method. The fatty acids concentration was estimated with the use of the gas chromatography method. Lignocellulose in doses of 0.5 and 1.0% significantly reduced the concentration of triglycerides and low density lipoprotein (LDL) fraction. Saturated fatty acids (SFA) and monounsaturated fatty acids (MUFA) content was not affected by dietary treatments whereas lignocellulose significantly influenced the profile of polyunsaturated fatty acids (PUFA) from n-3 and n-6 families. Insoluble fiber decreased ( p< 0.05) serum concentration of a-linolenic acid (C18:3n-3) and increased share of docosahexaenoic acid (C22:6n-3), dihomogammalinolenic acid (C20:3n-6) and arachidonic acid (C20:4n-6) in total PUFA, compared to the control birds. The results of the present study have shown that the incorporation of limited amounts of lignocellulose into the broiler diet can influence the lipid metabolism in the chickens.
机译：该研究的目的是确定罗斯308鸡血清中的血液血清中的脂质代谢指数和脂肪酸谱，加入补充有0,0.25,0.5和1.0％木质纤维素的整理混合物。喂养审判持续了21至42 d的鸟类年龄。从翼形管静脉42D岁的每鸡肉收集血样。在血清中，通过分光光度法测定甘油三酯（Tg），总胆固醇（TCHOL）和高密度脂蛋白（HDL）级分的含量。利用气相色谱法估计脂肪酸浓度估计。剂量为0.5和1.0％的木质纤维素显着降低了甘油三酯和低密度脂蛋白（LDL）级分的浓度。饱和脂肪酸（SFA）和单不饱和脂肪酸（MUFA）含量不受饮食治疗的影响，而木质纤维素显着影响来自N-3和N-6个家族的多不饱和脂肪酸（PUFA）的轮廓。不溶性纤维（P <0.05）血清浓度的α-亚麻酸（C18：3N-3）和二烷己烯酸的份额增加（C22：6N-3），二喹啉烯丙基烯酸（C20：3N-6）和花生酸（C20） ：4N-6）与对照禽类相比，Pufa总数。本研究的结果表明，将有限量的木质纤维素掺入肉鸡饮食中可以影响鸡中的脂质代谢。

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