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ω-6/ω-3多不饱和脂肪酸比例对生长期扬州鹅血脂代谢及冠脉事件预测因子的影响

DOI: 10.3969/j.issn.1006-267x.2011.08.006

Keywords: &omega,-6/&omega,-3PUFA比例,扬州鹅,血脂,HsCRP,sCD40L

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Abstract:

本文旨在初步探讨不同ω-6/ω-3多不饱和脂肪酸(PUFA)比例对扬州鹅血脂、血清超敏C反应蛋白(hypersensitiveC-reactiveprotein,HsCRP)及可溶性CD40配体(sCD40L)的影响。试验选择160只同批出雏、体重接近的21日龄的扬州鹅,随机分成4组,每组4个重复,每个重复10只。分别饲喂ω-6/ω-3PUFA比例为3∶1、6∶1、9∶1、12∶1的饲粮,并分别于42、56、70日龄时进行采血和血脂等指标的测定。结果表明:56、70日龄时,ω-6/ω-3PUFA比例为6∶1组扬州鹅的血清中有较低的总甘油三酯(TG)(P<0.05)、总胆固醇(TC)(P<0.05)和低密度脂蛋白(LDL)(P<0.05),且该组的高密度脂蛋白(HDL)在4组中最高(P<0.05)。HsCRP或sCD40L水平总体上随ω-6/ω-3PUFA比例的增加呈现上升趋势,基本都以3∶1组最低,但各处理间的差异多不显著(P>0.05)。综上所述,ω-6/ω-3PUFA比例为6∶1组有较好的降低血脂的效应,而低ω-6/ω-3PUFA比例(3∶1)饲粮有降低扬州鹅HsCRP和sCD40L的趋势。

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