Recombinant Litopenaeus vannamei LGBP (rLvLGBP) binds to Spirulina dried powder (SDP).
SDP caused degranulation, changed cell size, activated proPO system, increased RB in vitro.
Shrimp fed diets containing SDP increased LGBP expression and lysozyme activity.
Shrimp fed diets having SDP increased phagocytosis, clearance, resistance to Vibrio alginolyticus.
SDP can function as an immunostimulant in shrimp culture.