仔猪肠道微生态及其调控因素研究进展

doi:10.16431/j.cnki.1671-7236.2020.07.005

摘要/Abstract

摘要： 肠道微生态能够影响机体营养物质的摄入、储存及消耗，对动物生长发育影响较大。微生态的建立受出生方式、饲养模式、抗生素、疾病及周围环境等多种因素的影响。随着相关研究的不断深入，肠道菌群的作用正日益受到重视。宿主的健康生长需要一个动态平衡的肠道微生态环境。仔猪阶段平衡的肠道微生态环境尚未建立，易受外界因素影响，造成生长迟缓、饲料转化率低下甚至疾病的发生。调节肠道菌群被认为是可以减少动物疾病的发生并且提高饲料转化率的一种行之有效的技术手段。作者回顾了国内外关于仔猪肠道微生态的研究进展，从肠道微生态的组成与功能入手，从不同发育阶段仔猪肠道微生态建立的过程及调控手段展开论述，以期为研究仔猪肠道微生态的形成、成熟及微生态对仔猪生长发育的作用提供理论参考。

关键词: 仔猪; 微生态; 肠道菌群; 生长发育

Abstract: Intestinal microecology can affect the intake,storage and utilization of nutrients by the body,and has significant influence on animal growth and development.Establishment of an individual's microbial ecosystem is influenced by various factors,such as birth mode,diet,antibiotics,diseases and living environment.With deepening interest in microbial symbioses,increasing attention has been paid to the roles of intestinal flora.A dynamically balanced intestinal microbial ecosystem is required for the healthy growth of the host.Piglets take time to establish a balanced intestinal microbial ecosystem.Prior to establishing this balance,they are susceptible to external factors that can cause growth retardation,low feed conversion rate,and even occurrence of diseases.Regulation of intestinal flora is an effective technical means to reduce the occurrence of animal diseases and increase feed conversion rates.The author reviews research progress in the intestinal microecology of piglets in China and other countries.It starts with the microbial composition and functions of the intestinal microbial ecosystem,and expounds upon processes used at different development stages to establish a healthy intestinal microecosystem in piglets,and on current regulatory measures,with the goal of providing a theoretical reference for studies of the formation and maturation of intestinal microbial ecosystems,and its effects on the growth and development of piglets.

Key words: piglets; microecology; gut microbes; growth and development

中图分类号:

S828

刘亚丹, 王海珍, 刘娟, 王舒, 左周, 蔡春波, 郭晓红, 曹果清, 李步高, 高鹏飞. 仔猪肠道微生态及其调控因素研究进展[J]. 中国畜牧兽医, 2020, 47(7): 2005-2012.

LIU Yadan, WANG Haizhen, LIU Juan, WANG Shu, ZUO Zhou, CAI Chunbo, GUO Xiaohong, CAO Guoqing, LI Bugao, GAO Pengfei. Research Advance on Intestinal Microflora and Its Regulatory Factors of Piglets[J]. China Animal Husbandry and Veterinary Medicine, 2020, 47(7): 2005-2012.

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