影响奶牛乳尿素氮的主要因素研究进展  

Research Progress on Main Influencing Factors of Urea Nitrogen in Milk of Dairy Cows

作　　者：杨海昱 吕湾 薛洁 张乐颖[2] 张汝美[1] 李荣岭[1] 李建斌[1] 仲跻峰[1] YANG Hai-yu;LU Wuan;XUE Jie;ZHANG Le-ying;ZHANG Ru-mei;LI Rong-ling;LI Jian-bin;ZHONG Ji-feng(Dairy Research Center,Shandong Academy of Agricultural Sciences,Ji′nan 250131,China;Hebei University of Engineering,Handan 056001,China)

机构地区：[1]山东省农业科学院奶牛研究中心,山东济南250131 [2]河北工程大学,河北邯郸056001

出　　处：《畜牧与饲料科学》2019年第4期79-83,共5页Animal Husbandry and Feed Science

基　　金：国家奶牛产业技术体系建设专项经费(CARS-36);山东省农业科学院农业科技创新工程(CXGC2016A04);山东省农业良种工程(2016LZGC027);山东省自然科学基金面上项目(ZR2016CM37);山东省重点研发计划(2018GNC113003)

摘　　要：牛奶中乳尿素氮(MUN)作为反映奶牛蛋白质营养状态和评价蛋白质利用效率的生物学指标已经被国内外研究人员广泛认可。综述了乳尿素氮的定义、检测方法、产生机制,以及影响乳尿素氮的营养和非营养性因素,以期为奶牛养殖生产提供参考。Milk urea nitrogen (MUN) as a biological index of protein nutritional status and protein utilization efficiency of dairy cows has been widely recognized by researchers at home and abroad.In this paper,the definition,detection methods,production mechanism and nutritional and non-nutritional factors affecting urea nitrogen in milk were summarized,in hoping to provide reference for dairy cow breeding.

关 键 词：奶牛 乳尿素氮 影响因素 研究进展 

分 类 号：S823.915[农业科学—畜牧学]