SRP109238 PRJNA390066 The probiotic strain Bacillus amyloliquefaciens TL promotes growth performance and cecum microbiota changes similar to those of the antibiotic aureomycin in broiler chickens The aim of this study was to understand the effects of the probiotic strain Bacillus amyloliquefaciens TL on the intestinal flora of broiler chickens, and to determine whether this strain could feasibly be used as a novel feed additive in order to reduce or eliminate antibiotic use.