As feed additive and immune enhancer,yeast polysaccharide has a significant effect on improving animal production performance,enhancing the body's immune function,anti-disease and promoting growth,improving the effect of vaccine.It has wide application prospect in livestock production. In this paper,the application of yeast polysaccharide in animal rearing was summarized.%酵母多糖作为饲料添加剂和免疫增强剂在提高动物生产性能、增强机体免疫功能、抗病促生长、提高疫苗免疫效果等方面具有显著作用，在畜牧业生产中具有广泛的应用前景。针对酵母多糖在动物饲养中的应用作以综述。
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