中文摘要：

益生素作为一种新型饲料添加剂,具有无毒、无副作用,以及促进动物生长、提高饲料转化率、增强动物机体的免疫功能等特点,目前已广泛应用于畜禽养殖业中。作者对益生素及其在养鸡业中的实际应用研究现状进行了简要综述,并对益生素使用中应注意的问题进行了探讨。

英文摘要：

Probiotics is a new feed additive with nontoxic,no side effects and to promote animal growth,feed conversion rate,enhance the immune function,etc.Now probiotics has been widely used in livestock and poultry industry.In this paper,probiotics and its practical application in poultry industry is briefly reviewed and the issue of using probiotics was also discussed.