What hazard is associated with zinc phosphide baits?

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Study for the Michigan Vertebrate Pest Management (Category 7D) Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

What hazard is associated with zinc phosphide baits?

Explanation:
Zinc phosphide baits pose a hazard to non-target wildlife because, when ingested, zinc phosphide reacts with stomach acid to release phosphine gas, causing rapid and usually fatal toxicity. Ground-feeding birds, especially waterfowl, are particularly at risk since they feed on seeds and grain on the ground and can readily ingest spilled bait or residues in fields or near water. This is why the primary hazard is to ground-feeding birds like waterfowl. It’s not limited to humans, and it does not attract beneficial insects, so those other options don’t fit.

Zinc phosphide baits pose a hazard to non-target wildlife because, when ingested, zinc phosphide reacts with stomach acid to release phosphine gas, causing rapid and usually fatal toxicity. Ground-feeding birds, especially waterfowl, are particularly at risk since they feed on seeds and grain on the ground and can readily ingest spilled bait or residues in fields or near water. This is why the primary hazard is to ground-feeding birds like waterfowl. It’s not limited to humans, and it does not attract beneficial insects, so those other options don’t fit.

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