Regulation Mechanism and Application of Dietary Fiber Structure and Fermentation Products on Intestinal Health of Monogastric Animals
Dietary fiber,as the most important food source of the intestinal microbiota,maintains the balance and homeostasis of the microbiota.Its metabolites,short-chain fatty acids(SCFAs),play a very important role in improving energy metabolism,intestinal barrier function,immune system,inflammatory response and intes-tinal hormone secretion.However,the structural characteristics of dietary fiber and the composition and fer-mentation characteristics of fiber in different feed materials are quite different,which also leads to great varia-bility in the application of fibrous feed materials in animal production.Therefore,the structure and fermentation characteristics of dietary fiber were discussed in this paper,and the digestive process of dietary fiber compo-nents in animal intestines,the regulation mechanism of fermentation products on animal intestinal health,and the application status of dietary fiber in single-stomach animals were reviewed,aiming to provide reference for re-examining the fiber structure and its transport mechanism,and explore the potential nutritional value of dieta-ry fiber and formulating the application measures of fiber nutrition in monogastric animals.[Chinese Journal of Animal Nutrition,2024,36(4):2057-2066]
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