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Dietary fiber in poultry nutrition and their effects on nutrient utilization, performance, gut health, and on the environment: a review
Journal of Animal Science and Biotechnology ( IF 6.3 ) Pub Date : 2021-04-19 , DOI: 10.1186/s40104-021-00576-0 Rajesh Jha 1 , Pravin Mishra 1
Journal of Animal Science and Biotechnology ( IF 6.3 ) Pub Date : 2021-04-19 , DOI: 10.1186/s40104-021-00576-0 Rajesh Jha 1 , Pravin Mishra 1
Affiliation
Dietary fiber (DF) was considered an antinutritional factor due to its adverse effects on feed intake and nutrient digestibility. However, with increasing evidence, scientists have found that DF has enormous impacts on the gastrointestinal tract (GIT) development, digestive physiology, including nutrient digestion, fermentation, and absorption processes of poultry. It may help maintain the small and large intestine’s integrity by strengthening mucosal structure and functions and increasing the population and diversity of commensal bacteria in the GIT. Increasing DF content benefits digestive physiology by stimulating GIT development and enzyme production. And the inclusion of fiber at a moderate level in diets also alters poultry growth performance. It improves gut health by modulating beneficial microbiota in the large intestine and enhancing immune functions. However, determining the source, type, form, and level of DF inclusion is of utmost importance to achieve the above-noted benefits. This paper critically reviews the available information on dietary fibers used in poultry and their effects on nutrient utilization, GIT development, gut health, and poultry performance. Understanding these functions will help develop nutrition programs using proper DF at an appropriate inclusion level that will ultimately lead to enhanced DF utilization, overall health, and improved poultry growth performance. Thus, this review will help researchers and industry identify the sources, type, form, and amount of DF to be used in poultry nutrition for healthy, cost-effective, and eco-friendly poultry production.
更新日期：2021-04-19
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