›› 2008, Vol. 1 ›› Issue (9): 5-9.

• 动物营养与饲料科学 •     Next Articles

Application Research of Rumen Protected Amino Acid on Dairy Cows Production

XIA Nan1,2,WANG Jiaqi1,ZHAO Guoqi2,BU Dengpan1,ZHANG Leying1,WEI Hongyang1,ZHOU Lingyun1   

  1. 1. Institute of Animal Science ,State Key Laboratory of Animal Nutrition, Chinese Academy of Agricultural Science, Beijing 100193,China; 2. College of Animal Science and Technology, Yangzhou University,Yangzhou 225009,China 
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-09-20 Published:2008-09-20

Abstract: Lys and Met are most limiting amino acids on lactating dairy cow. However, it is impossible to achieve ideal performance through traditional methods which feeding high protein feedstuffs or free Met and Lys. Now, the focus of research has being transferred to rumen protected amino acid. The author reviewed the definition, measures, effects and influencing factors of rumen protected amino acid, as well its application in the future.

Key words: rumen protected amino acid; dairy cow; performance

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