Research Progress on the Application of Dietary Fiber in Sow Nutrition
Dietary fiber refers primarily to non-starch polysaccharides in feed ingredients that cannot be digested by endogenous digestive enzymes in the small intestine.The palatability of the diet and the digestibility of nutrients can be reduced by high fiber content in the diet of monogastric animals.With the in-depth study of dietary fiber,it was found that dietary fiber can be fermented by intestinal microorganisms to produce short-chain fatty acids,and has a significant effect on gastrointestinal health and inflammation in late pregnancy of sows,which is of great importance in improving lactating performance of sows.This paper mainly reviewed the definition and classification of dietary fiber,physical and chemical properties,physiological functions,mechanism of action and effects of dietary fiber on the gastrointestinal health and lactation performance of sows,so as to provide theoretical reference for the accurate use of dietary fiber in breeding sows.
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