DPB800 | Concentrated Dry Probiotic Feed AdditiveDPB800 is a dry formulation of select direct fed microbials (probiotics) that optimize digestive functions and naturally enhance the immune response in aquatic animals. It is intended for enrichment of dry feed as a topdress (or at the mill). The consistent inclusion of DPB800 in feed balances the intestinal flora of animals, improves appetite and helps to defend against toxins and pathogens by way of competitive exclusion.