Purpose The objective of this narrative review was to describe the effect of microbial-based
products, specifically pro-and prebiotics, on gut health, function, and disease prevention
during early life and at weaning in dairy calves. Sources The main source of data and
information compiled for this review was peer-reviewed literature. Synthesis Diarrhea is
responsible for the majority of mortality and morbidity early in life. Pro-and prebiotics have
recently been explored as mechanisms to promote gut health and decrease diarrhea in …