05/31/2026
A new review published in Animals, a peer-reviewed Q1 veterinary science journal, highlights growing evidence linking environmental chemical exposure to bladder cancer in dogs. Researchers identified lawn herbicides as a potential risk factor and note that many of these chemicals can be absorbed through the paws and skin, ingested during grooming, and ultimately concentrated in the bladder through urine.
đ§ď¸ Rain doesnât automatically wash pesticides away. Many are designed to stick to grass and soil long after rainfall.
đž Wet grass can actually increase exposure by helping residues transfer onto your dogâs paws, fur, and eventually into their mouth.
âł Some herbicides leave residues for days, while certain insecticides can persist for weeks or even months.
â ď¸ âSafe after dryingâ doesnât mean the chemicals are goneâit simply means immediate contact risk is lower.
To reduce exposure:
⢠Avoid freshly treated lawns, especially when wet
⢠Wipe or rinse paws after walks
⢠Clean wet bellies and fur
⢠Prevent paw licking until cleaned.
The concern isnât one exposure, itâs years of small exposures adding up from parks, sidewalks, treated lawns, and other everyday environments.
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