Vibrionaceae:  

Yellow Vibrio: V. alginolyticus, V. cholerae, V. harveyi, V. anguillarum, Aeromonas Temperate;

Green Vibrio : V. parahaemolyticus, V. fluvius, Pseudomonas putida;

Blue-green Vibrio: V. vulnificus

Black Vibrio: Proteus bacillus

Cause:

Poor environment at the bottom of the pond  (excessive organic matter and lack oxygen )

Solutions:

Improve water: regular splash Aqua Culture （one of Clostridium butyricum’ s product）into pond

Improve the bottom: Use Super EM（one of Clostridium butyricum’ s product）. If the substrate of pond is in poor condition,, use strong oxidants to modify the bottom, but need to avoid using probiotics at same time.

Enhance immunity: Regular use Aqua Combo（one of Clostridium butyricum’ s product） mix with feed to protect the intestines and enhance immunity.