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Study Reveals Environmental Risks of Popular Pet Treatments

2/28/2026

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Summary

Story summary

A study published in Environmental Toxicology and Chemistry identifies potential environmental risks from isoxazolines, popular flea and tick treatments for pets.
Isoxazolines were introduced in 2013, and researchers tracked 20 cats and 20 dogs over three months.
The study found residues remained in feces long after treatment ended, risking dung-feeding insects.
Exposure could disrupt ecological processes and harm insect populations.

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Story summary

A study published in Environmental Toxicology and Chemistry identifies potential environmental risks from isoxazolines, popular flea and tick treatments for pets.
Isoxazolines were introduced in 2013, and researchers tracked 20 cats and 20 dogs over three months.
The study found residues remained in feces long after treatment ended, risking dung-feeding insects.
Exposure could disrupt ecological processes and harm insect populations.