... feeding, health of shrimp ... were not interested well. Following the risk of the coastal province of Mekong delta, Baclieu was not out of the affect of the death of shrimp so that the provincial ... found, they are the indicators of the organic pollution of water bodies. They can cause the death of shrimp by their toxic. At Ninhthanhloi village, the farmer kept the haline water in the pond ... culturing shrimp in the whole year, the water could not refresh then it is easy polluted. On the other hand, They wanted to farm the tiger shrimp in the low salinity water bodies in the rainy season....