Farmers are looking for the cause of mass death of fish

Owners of fish farms on Lake Taal, about 60 kilometers from the capital of the Philippines, count losses. Once the oxygen level in the water has fallen sharply, started dying fish. Has already killed more than 750 tons. Since last week, dead fish floating on the water surface. In the city of Talisay it is collected in rice bags. One of the farmers said that lost all his fish. [Danilo Panganiban, the owner of a fish farm]: "I came to the cages in the morning and saw the fish — tilapia and hanos — which floated on the behavior …

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