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Role of prebiotics in poultry gastrointestinal tract health, function, and microbiome composition

Code: 9781838799779
Steven C. Ricke, University of Arkansas, USA

Chapter synopsis: Prebiotics have been established as a series of feed compounds that serve as specific substrates for gastrointestinal tract (GIT) bacteria. The general premise is that such compounds support GIT bacteria that benefit the host. In addition, GIT bacteria supported by prebiotics can be antagonistic to foodborne pathogens and prevent their colonization in the GIT. In poultry, prebiotics have been used primarily to prevent the establishment of foodborne pathogens but have also received attention regarding their impact on overall GIT health. This chapter reviews the impact of prebiotics on bird health, GIT function, and prevention of foodborne pathogen GIT colonization. Following an introduction, prebiotics are defined and discussed. Then follows an overview of the potential impact of such prebiotics on avian upper GIT health. A section is included on the avian intestinal microbiome, function, and prebiotics. The characteristics of the avian cecum are presented in detail, including coverage of the cecal microbiome and the use of prebiotics.

DOI: 10.19103/AS.2019.0059.18
Table of contents 1 Introduction 2 Prebiotics: definition 3 The avian upper GIT: potential impact of prebiotics 4 The avian intestinal microbiome, function, and prebiotics 5 Cecal composition and functional characteristics 6 Cecal microbiome: general characteristics 7 Cecal microbiome and prebiotics: current perspectives and future prospects 8 Summary and conclusions 9 Where to look for further information 10 References

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