首页|Dietary nutrition,intestinal microbiota dysbiosis and post-weaning diarrhea in piglets
Dietary nutrition,intestinal microbiota dysbiosis and post-weaning diarrhea in piglets
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Weaning is a critical transitional point in the life cycle of piglets.Early weaning can lead to post-weaning syndrome,destroy the intestinal barrier function and microbiota homeostasis,cause diarrhea and threaten the health of piglets.The nutritional components of milk and solid foods consumed by newborn animals can affect the diversity and structure of their intestinal microbiota,and regulate post-weaning diarrhea in piglets.Therefore,this paper reviews the effects and mechanisms of different nutrients,including protein,dietary fiber,dietary fatty acids and dietary electrolyte balance,on diarrhea and health of piglets by regulating intestinal function.Protein is an essential nutrient for the growth of piglets;however,excessive intake will cause many harmful effects,such as allergic reactions,intestinal barrier dysfunction and pathogenic growth,eventually aggravating piglet diarrhea.Dietary fiber is a nutrient that alleviates post-weaning diarrhea in piglets,which is related to its promotion of intestinal epithelial integrity,microbial homeostasis and the production of short-chain fatty acids.In addition,dietary fatty acids and dietary electrolyte balance can also facilitate the growth,function and health of piglets by regulating intestinal epithelial function,immune system and microbiota.Thus,a targeted control of dietary components to promote the establishment of a healthy bacterial community is a significant method for preventing nutritional diarrhea in weaned piglets.
Department of Urology,Shengjing Hospital of China Medical University,Shenyang,Liaoning 110004,China
College of Bioscience and Biotechnology,Hunan Agricultural University,Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry,Changsha,Hunan 410125,China
State Key Laboratory of Subtropical Silviculture,Zhejiang A&F University,Hangzhou 311300,China
Hunan Provincial Science and Technology Department
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