Efficacy of dietary supplementary probiotics as substitutes for antibiotic growth promoters during the starter period on growth performances, carcass traits, and immune organs of male layer chicken

Abstract

Probiotic (<i>L. acidophilus</i>, <i>L. plantarum</i>, and <i>Bifidobacterium</i> spp.) supplementation at 4 and 5 mL/kg feed during the starter period can be used to improve the growth, carcass traits, and weight of immune organs in male layer chicken.