利用正交试验设计研究葡萄糖处理豆粕对奶牛过瘤胃蛋白的影响  

Research on the Effect of the Degradability of Soybean Meal Proteins by Glucose Treatment and by the Orthogonal Experiment Design

作　　者：王潍波[1,2] 赵国琦[1] 常玉峰 王继峰 王玲 

机构地区：[1]扬州大学动物科学与技术学院,扬州225009 [2]铜山县农业局,铜山221116

出　　处：《中国奶牛》2010年第1期14-18,共5页China Dairy Cattle

基　　金：国家科技资助基金项目"奶牛高效饲养关键技术研究及开发"(2006BAD04A03-07)

摘　　要：以3头装有永久性瘤胃瘘管的中国荷斯坦牛为试验动物,采用尼龙袋法研究在不同因素下葡萄糖处理豆粕,在奶牛瘤胃内不同时间点DM、CP消失率及其有效降解率的作用效果。结果表明:在不同时间点,提高葡萄糖添加量可使DM、CP消失率逐渐降低,所有试验组与未处理组差异均显著(P<0.05),葡萄糖添加量、加热温度、加热时间、含水量四个因素均对蛋白质降解率影响显著,四个因素的影响顺序为:加热温度>加热时间>葡萄糖添加量>含水量;随着加热温度升高、加热时间的延长、葡萄糖添加量的增加,豆粕DM降解率与瘤胃蛋白降解率都逐渐下降。This study was carried out to determine the effects of glucose treatments of soybean meal（SBM）which was under different factors on degradability characteristics in situ rumen. In the experiment, three ruminally cannulated Holstain cows were used to measure the degradability characteristics of dry matter（DM）and crude protein（CP）of soybean meal samples at different times. It was concluded that SBM proteins can be effectively protected from degradation in the rumen by glucose treatment. the degradation of protein were significant affect by the addition of glucose, temperature, the time of heat and the content of water. temperature was the most important factor, time of heat was the second, the next was addition of glucose, the content of water was the last. the degradation of DM, CP was gradually reduced with increasing the content of glucose, temperature and the time of heat.

关 键 词：葡萄糖 豆粕 干物质降解率 蛋白质降解率 尼龙袋法 正交试验设计 

分 类 号：S823[农业科学—畜牧学]