Feed additive antibiotics, including ionophores, are effective in broilers but concerns are increasing as a result of development of antibiotic resistant bacteria and the presence of antibiotic residues in poultry meat. Concurrently, interest in the use of probiotics in broiler production is on the rise. It is known that probiotics benefit poultry through various mechanisms by modulating the microbiome and without the negative connotations associated with antibiotics.
