“…42 Moreover, it can activate and proliferate beneficial bacteria in large quantities, inhibit the growth of harmful bacteria, and regulate the microecological balance. However, most studies have been conducted in pigs, chickens, and rainbow trout, [43][44][45] and few studies have focused on the role of MOS in promoting the gut microbiota in humans and mice after antibiotic perturbation. We addressed this crucial gap in the current and available research.…”