Laboratory of Aquatic Animal Nutrition and Feed of Fisheries Ocean University 524088;
Aquatic Animals Precision Nutrition and High-Efficiency Feed Engineering Research Centre of Guangdong Province 524088;
Key Laboratory of Aquatic and Poultry Feed Science and Technology in South China of Agriculture 524000;
Hybrid grouper(♀Epinephelus; fuscoguttatus×♂E.lanceolatus); Host-associated probiotics; Immune and antioxidant-biochemical; responses; Gut microbiota; Immune-related gene expression; Vibrio harveyi;