保护性蛋氨酸在奶牛中的应用

China Animal Husbandry & Veterinary Medicine ›› 2009, Vol. 36 ›› Issue (6): 104-108.

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Application of Protected Methionine on Dairy Cows

ZHANG Chun-lin ^1,2， WANG Jia-qi¹， BU Deng-pan¹，WEI Hong-yang¹， DONG Xiao-li ^1,2，ZHANG Yang-dong¹， ZHOU Ling-yun¹，ZHAO Guo-qi²

1.State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agriculture Sciences, Beijing 100193， China；2. College of Animal Science and Technology, Yangzhou University, Yangzhou 225009， China）

Received:1900-01-01 Revised:1900-01-01 Online:2009-06-20 Published:2009-06-20
Contact: WANG Jia-qi

Abstract

Abstract: Methionine play important role in the amino acid nutrition of dairy cow. However, direct addition of methionine was easy to degrade by rumen microbes, which also affect methionine absorption and utilization. Protected methionine can avoid amino acids from ruminal degradation, cover methionine requirements of dairy cow and improve performance. The author mainly reviewed metabolism, nutritional function, factors affected of bioavailability, application on dairy cow of protected methionine.

Key words: protected methionine; dairy cow; application

CLC Number:

S816.79

ZHANG Chun-lin;WANG Jia-qi;BU Deng-pan;WEI Hong-yang;DONG Xiao-li;ZHANG Yang-dong;ZHOU Ling-yun;ZHAO Guo-qi. Application of Protected Methionine on Dairy Cows[J]. China Animal Husbandry & Veterinary Medicine, 2009, 36(6): 104-108.

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Application of Protected Methionine on Dairy Cows

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