Fisheries College;
Ocean University of China;
Qingdao 266003;
China;
Dean’s Office;
Hainan Provincial Party School;
Haikou 571100;
China;
School of Medicine and Pharmacy;
Ocean University of China;
Qingdao 266003;
China;
lactic acid bacterium; Enterococcus faecium; probiotics; attractant; Litopenaeus vannamei;