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葡萄糖处理对豆粕过瘤胃蛋白的影响 被引量:2

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摘要 试验采用单因子完全随机试验设计和尼龙袋法,研究添加0、1%、3%、5%、7%、9%葡萄糖保护豆粕,对3头中国荷斯坦奶牛不同时间点内瘤胃蛋白质降解率及其动态降解率的作用效果。结果表明,蛋白质降解率与瘤胃内培养时间密切相关。培养时间延长,降解率增大。在各时间点,提高葡萄糖添加量可使蛋白质降解率逐渐降低,所有试验组与未处理组差异均极显著(P<0.01),CP有效降解率降低最高达24.82%,添加水平为7%、9%两组组间差异不显著(P>0.05)。试验证明葡萄糖与豆粕复合加热处理可有效抑制奶牛瘤胃蛋白质降解,且研究表明葡萄糖适宜添加水平为7%。
出处 《饲料工业》 2008年第15期31-33,共3页 Feed Industry
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