Effects of dietary supplementation of inosine monophosphate on growth performance, innate immunity and disease resistance of olive flounder (Paralichthys olivaceus)

► Supplemental effects of dietary inosine monophosphate (IMP) were evaluated for olive flounder. ► Fish growth was improved by dietary supplementation of IMP. ► Dietary IMP increased innate immunity of olive flounder. ► Dietary IMP enhanced disease resistance of olive flounder against Streptococcus iniae.