FA metabolism to milk fat is affected by multiple factors and the combined effect be-Рtw een FA are one of the crucial influencing factors. This paper review ed the combined effects of FA on milk fat Р ,Рsynthesis and discussed its mechanism w ith the aim of providing a corresponding reference for the research of Р [ , , ( ) ]Рmilk fat synthesis regulation in dairy cow s. Chinese Journal of Animal Nutrition 2022 34 8 РР : ; ; ;РKey words fatty acid combined effect milk fat cowРРР ( )Р* Corresponding author,lecturer,E-mail: hsed-2002@ hotmail.com 责任编辑 陈 鑫