The whole Saccharomyces cerevisiae yeast is activated by unique hydrolysis for fish & aquaculture. This Increased production of IP-10 cytokine (chemo-attractant) in dendritic cell model in vitro (Bioplex immunoassay) (Glykos research FIN 2015). Tendency (P=0.068) to higher concentration of superoxide dismutase in Asian seabass (Kasetsart University, Thailand 2020)effective modulation of microbiota and immunity. This results in improved feed efficiency and growth and reduced diarrhea risk. Increased villus height in two trials in Asian seabass (Kasetsart University, Thailand 2020). Improved feed intake, growth and feed conversion ratio of Asian seabass (Kasetsart University, Thailand 2020). Improved performance of shrimp (Field trials in the Philippines)