Pet flea treatments poisoning rivers across England, scientists find. https://www.theguardian.com/environment/2020/nov/17/pet-flea-treatments-poisoning-rivers-across-england-scientists-find
A worrying report although I do wonder if some of these chemicals are still used illegally as pesticides.
That is a very worrying report. I thought flea treatments were absorbed into the animals skin and I don’t think dogs are bathed that regularly, certainly not cats. Not every dog goes swimming either, so it is a puzzle as to how so much of the insecticides get into the waterways.
Flea treatment contamination of rivers ‘conjecture’ – NOAH
https://www.vettimes.co.uk/news/flea-treatment-contamination-of-rivers-conjecture-noah/
Chemicals in spot-on flea controls pollute water, studies show. https://news.vin.com/default.aspx?pid=210&catId=614&id=10033489