Lactic acid in animals piays a very important role as a bacterial metabolite, particularly in young animals since their gut is undeveloped and vulnerable to multiple different pathogens and stresses. Besides pathogen inhibition and the stimulation ofother health beneficial bacteria, lactic acid-driven intestinal pH reduction is well-known to improve the conditions for digestive enzymes. Therefore, continuous intestinal lactic acid production throughout the gut passage has the potential to enhance enzyme activity and feed utilization in monogastric animals. Whether used at an early stage of life or after antibiotic treatment, lactic acid producing bacteria can be a useful tool to reestablish balance to the microbiome.
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