The causative agent is due to the yellow head virus (YHV) and gill-associated virus (GAV) complex. Currently, YHV is reported to have 6 different genotypes.
Infected shrimp show yellow or brown color in the gills, yellow in the head of the chest, the whole body is pale, swollen digestive glands make the head appear yellow. The disease causes high mortality, which can be up to 100% after 3 to 5 days of infection. PCR result positive for YHV/GAV.
Preventing and treating diseases
Applying methods of preventing diseases and preventing the spread of this disease by selecting and examining clean breeds before breeding, treating the quality of water sources and the surrounding environment accordingly.