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What they’re continuing to do is baiting with zinc phosphide.

The advantage of zinc phosphide is that it doesn’t accumulate in the environment, so the danger of other animals having long-term exposure to some poison is minimized.

He’s battling them with zinc phosphide baits, the only legal chemical control for mice used in broad-scale agriculture in Australia.

Many of the illegal growers use fertilizers and pesticides long restricted or banned in the United States, including carbofuran and zinc phosphide.

Many of the illegal growers use fertilizers and pesticides long restricted or banned in the United States, including carbofuran and zinc phosphide.