Alternatives to antibiotics in pig production: looking through the lens of immunophysiology

被引:0
作者
Hao-Yu Liu
Chuyang Zhu
Miaonan Zhu
Long Yuan
Shicheng Li
Fang Gu
Ping Hu
Shihao Chen
Demin Cai
机构
[1] Yangzhou University,College of Animal Science and Technology
[2] Yangzhou University,Joint International Research Laboratory of Agricultural & Agri
来源
Stress Biology | / 4卷
关键词
Antibiotics; Gut-associated lymphoid tissues; Probiotics; Prebiotics; Phytobiotics; The Hygiene Hypothesis;
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摘要
In the livestock production system, the evolution of porcine gut microecology is consistent with the idea of “The Hygiene Hypothesis” in humans. I.e., improved hygiene conditions, reduced exposure to environmental microorganisms in early life, and frequent use of antimicrobial drugs drive immune dysregulation. Meanwhile, the overuse of antibiotics as feed additives for infectious disease prevention and animal growth induces antimicrobial resistance genes in pathogens and spreads related environmental pollutants. It justifies our attempt to review alternatives to antibiotics that can support optimal growth and improve the immunophysiological state of pigs. In the current review, we first described porcine mucosal immunity, followed by discussions of gut microbiota dynamics during the critical weaning period and the impacts brought by antibiotics usage. Evidence of in-feed additives with immuno-modulatory properties highlighting probiotics, prebiotics, and phytobiotics and their cellular and molecular networking are summarized and reviewed. It may provide insights into the immune regulatory mechanisms of antibiotic alternatives and open new avenues for health management in pig production.
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