China Dairy ›› 2022, Vol. 0 ›› Issue (8): 11-14.doi: 10.12377/1671-4393.22.08.03

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Progress of Research on the Mechanism of Milk Protein and Milk Fat Synthesis and Regulation in Milk by Ration Composition

SHENG Xiaxia   

  1. Pingdu Polygonum Animal Health and Product Quality Supervision Station,Qingdao Shandong 266700
  • Online:2022-08-25 Published:2022-09-02

Abstract: The level of milk protein and milk fat content in milk is directly related to the quality and flavor of milk. Milk proteins in milk can be divided into two types:casein and whey protein,and their anabolic processes are influenced by the mTOR signaling pathway,JAK-STAT signaling pathway and GCN2-eIF2a signaling pathway. Milk fat in milk is mainly triacylglycerides and phospholipids,which have important effects on both nutrition and flavor of milk,and are regulated by fatty acid related enzymes ACACA,FAS and SCD1. Feed nutrition is one of the key factors influencing milk protein and milk fat in milk,including the ratio of fine and roughage feeds and the application of feed additives. In this paper,the mechanism of milk protein and milk fat synthesis regulation in milk,and the mechanism of dietary composition on them were described to provide reference for improving milk quality.

Key words: feed, dairy cow, milk, milk protein, milk fat, regulatory mechanisms

CLC Number: 

  • S823
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