Effect of antibiotic withdrawal on the gut

Public demand to reduce the use of sub-therapeutic antibiotic growth promoters (AGP) in poultry feeding has resulted in greater adoption of antibiotic-free poultry production systems. But, what is the effect of antibiotic withdrawal from poultry feed on the gut microbial community, host performance and immunity, and the prevalence of pathogens? Supplementation of antibiotics as sub-therapeutics improves bird feed efficiency and maintain the gut health, growth and development. In North America,