过瘤胃氨基酸对乳牛瘤胃发酵、产乳量及乳成分的影响

被引：31

作者：

韩继福

吴其宏

机构：

[1] 解放军军需大学军需工程系

[2] 四平市兽医卫生监督检验所

来源：

安徽农业大学学报 | 2003年 / 02期

关键词：

过瘤胃氨基酸; 产乳量和乳成分; 挥发性脂肪酸; 干物质; 奶牛;

D O I：

10.13610/j.cnki.1672-352x.2003.02.007

中图分类号：

S823 [牛];

学科分类号：

摘要：

用8头荷斯坦黑白花奶牛就饲粮中添加过瘤胃氨基酸(赖氨酸+蛋氨酸)对乳牛瘤胃发酵、产乳量及乳成分的影响进行研究。结果表明,过瘤胃氨基酸组的干物质采食量与对照组无显著差异。过瘤胃氨基酸组的产乳量和4%FCM量较对照组分别提高5.95%和4.09%,但差异均不显著(P>0.05)。过瘤胃氨基酸组的乳蛋白率较对照组有下降的趋势,但乳蛋白量较对照组有升高的趋势(P>0.05)。其他乳成分并未因添加过瘤胃氨基酸而受到显著影响。瘤胃液的pH值、氨氮浓度、挥发性脂肪酸总浓度及各挥发性脂肪酸摩尔浓度,过瘤胃氨基酸组与对照组无显著差异(P>0.05)。

引用

页码：139 / 143

页数：5

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