Bacillus subtilis based probiotic improved bone mass and altered brain serotoninergic and dopaminergic systems in broiler chickens

The aim of the study was to assess the effects of dietary supplementation of a Bacillus subtilis based probiotic on broiler bone health. After 43 days, probiotic fed broilers had greater bone mineralization, wall thickness, size, and weight of tibias and femurs compared to the controls. We further found that probiotic fed broilers also had higher serum calcium levels at day 14 and a trend of lower serum c-terminal telopeptide of type I collagen...