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放牧和舍饲对有机牛奶脂肪酸组成的影响 被引量:3

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摘要 本试验将30头产奶量、胎次、泌乳天数相近的荷斯坦奶牛随机分为2组,每组15头,分别按有机舍饲和有机放牧方式饲养,测定牛奶脂肪酸组成成分。研究结果表明,有机放牧组的反10,顺12-C18:2共轭亚油酸(CLA)含量显著高于有机舍饲组(P<0.05);有机放牧组饱和脂肪酸中棕榈酸C16:0含量(P<0.05)、木蜡酸C24:0含量(P<0.05)均显著高于有机舍饲组,但有机放牧组牛奶中的硬脂酸C18:0含量显著低于有机舍饲组(P<0.05);有机放牧组牛奶中单不饱和脂肪酸肉豆蔻油酸C14:1含量(P<0.01)和神经酸C24:1含量(P<0.01)极显著高于有机舍饲组,有机放牧组ω-3PUFA/ω-6 PUFA比值显著高于有机舍饲组(P<0.05)。
出处 《中国奶牛》 2010年第10期6-8,共3页 China Dairy Cattle
基金 奶牛日粮能量和蛋白水平关键技术研究与开发(2006BAD04A03-02) 北京市区县专项
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参考文献9

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