The insecticide was used to control spruce budworm, which mainly feeds on balsam fir and white spruce, and is a natural pest ...

For the study, researchers analyzed fish, invertebrates and sediment ... as Indian and Northern Affairs Canada said DDT acts as a nerve poison to kill insects, but its exact effect on the nervous ...

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new research shows the insecticide DDT is still found in “alarming” rates in trout in the province’s lakes, potentially posing a danger to other wildlife and humans that eat the fish.

The guidelines say up to 14 nanograms of DDT per gram of trout, for example, would not be expected to cause adverse effects in wildlife that eat the fish. Five of the seven lakes Kurek studied ...