This collection summarises current research on the composition and function of the gastrointestinal tract in poultry, the factors that affect its function, and nutritional strategies to optimise poultry nutrition, health and environmental impact.

• Particular focus on development of the chicken gut microbiome over the lifetime of the bird
• Reviews interactions between pathogens and the gut and the role of antibiotics in this process
• Comprehensive review of research on efficacy of poultry feed additives: probiotics, prebiotics, synbiotics, antimicrobials, essential oils and other botanicals, cereal grains