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中链脂肪酸对断奶仔猪生长性能、血清生化指标、肠道形态结构以及消化道pH值的影响 被引量:9

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摘要 通过在断奶仔猪日粮中添加中链脂肪酸混合物(MCFAs),同时以一个成熟的中链甘油三酯(MCT)产品作为对照,研究MCFAs对断奶仔猪生长性能、血液指标、肠道形态结构以及消化道p H值的影响。共选取200头断奶仔猪,随机分为5个处理组:空白对照组(不添加)、低剂量添加组(0.2%MCFAs)、中剂量添加组(0.4%MCFAs)、高剂量添加组(0.8%MCFAs)和产品对照组(2.5%MCT),每组4个重复,每个重复10头猪,试验为期42 d。结果表明:MCFAs对各个时期的平均日采食量(ADFI)、平均日增质量(ADG)和料肉比(F/G)影响均不显著(P>0.05);MCFAs显著提高了断奶仔猪血清中总蛋白(TP)的含量(P<0.05),显著降低了总胆固醇(TCH)含量(P<0.05),高剂量添加组(0.8%MCFAs)的总甘油三酯(TG)含量显著降低(P<0.05),中剂量添加组(0.4%MCFAs)的谷丙转氨酶(ALT)含量显著增加(P<0.05);MCFAs显著降低断奶仔猪胃和十二指肠p H值(P<0.05)。由此可见,MCFAs对于断奶仔猪的生长性能影响不大,但会减少采食量,可以增加断奶仔猪的绒毛高度,降低消化道的p H值,并对血液生化指标产生一定的影响,从而从某些方面提高断奶仔猪的生长性能。
出处 《江苏农业科学》 北大核心 2015年第12期234-238,共5页 Jiangsu Agricultural Sciences
基金 浙江省重点科技创新团队项目(编号:2011R50025-1)
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