Antimicrobial peptides (AMPs) are functional polypeptides coded by genes of host. As an important menber of immune defense system, AMPs have the clinical value of drugs baesed on anti-microbial activitiy against bacterial, virus, fungi, parasite, and anti-tumor, and the functions of immunoregulation and enhancement of animal grwoth. This article reviewed the application of AMPs in duck industry.%抗菌肽是由生物宿主基因编码产生的多肽类活性物质，是免疫系统的重要组成部分，具有抗菌、抗病毒、抗寄生虫、抗肿瘤、免疫调节、促进动物生长等多种功能，具有较好的临床药物价值。本文主要就抗菌肽在养鸭生产中的应用进行了综述。
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