The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit
later.
We apologize for any inconvenience caused
The Relationship between Milk Urea Nitrogen and Parities, Days in Milk, Milk Production and Composition
Author(s): HUANG Wenming, WANG Zhisheng, WANG Tian, WANG Zuo, WEN Wan, SHAO Huaifeng, LI Shengli, CAO Zhijun
Pages: 10-
14
Year: 2009
Issue:
12
Journal: China Dairy Cattle
Abstract: 本试验共收集10316条DHI记录并分析了奶牛胎次和泌乳天数对牛奶尿素氮(MUN)含量的影响以及MUN值与产奶量和乳成分的关系.结果表明,各胎次间MUN值有差异.泌乳天数在90~120d时,MUN值最高;在90~120d以前,MUN值随泌乳天数的增加而升高;在90~120d以后,MUN值大体上随泌乳天数的增加而降低.MUN值和4%标准乳产量(FCM)之间呈二次曲线相关(Y=-0.002X2+0.1...
Citations
No citation found
Related Articles
No related articles found