【摘要】 植物提取物(plant extract, PE)是从天然植物中提取出的一种及以上具有生物学功能的物质。PE具有抗氧化、抗炎、调节免疫、抗病毒等生物学功能，能够提高断奶仔猪生长性能，改善肠道健康，是当下抗生素替代产品的研究热点。本文综述了近年来有关PE的生物学功能研究以及在断奶仔猪上的应用，同时总结PE在研发应用中存在的一些问题及应对策略，为后续PE产品的开发以及在生猪产业的应用提供一定的参考。更多还原

【Abstract】 Plant extract(PE) is a term that refers to the extraction of one or more bioactive substances from natural plants using modern technology.With diverse biological functions such as antioxidation, anti-inflammation, immune regulation, and antiviral activity, PE has garnered significant attention as a potential solution for enhancing the growth performance and intestinal health of weaned piglets.This paper presents an overview of recent research on the biological functions of PE and its application in weaned piglets.Additionally, it delves into the challenges encountered during the research and development(R&D) of PE,as well as the strategies proposed the subsequent development and implementation of PE products in the pig industry.更多还原