In this study, a total of 19 water samples from aquaculture ecosystemcomprising 3 creeks, 10 shrimp culture ponds, 3 shrimp broodstock tanks and 2 larval rearing tanks ofshrimp hatcheries and a sample from a hatchery effluent treatment tank were subjected to concentrationof viruses by ultrafiltration (UF) using tangential flow filtration (TFF).