Pollution behind mass fish deaths incident in Dong NaiSouthern Dong Nai Province’s agriculture department said the unsual high level of NH4 (Amoni) and NO2 (Nitrite) may be the reason behind Monday’s mass fish deaths on the La Nga River based on a test done on water sample collected at the site. Mass fish deaths on the La Nga River. The test showed a NH4 level 5.6-11 times higher than farm fish tolerance level while NO2 was found to be at 10-20 times higher. It was possible that a large volume of water heading from upstream carried enough pollution, which in combination with NH4 and NO2 was deadly to the fish. Vinh also said if natural causes were the cause of mass fish deaths, around 80 fish farming households would eligible for support from the Government.

Source: VietNamNet News May 23, 2018 09:33 UTC