Dogs pollute water with pesticides even weeks after flea treatment
Dogs treated for fleas release insect-killing chemicals into water when they swim Natalya_Maisheva/Shutterstock If your dog will jump in the nearest river, pond or lake given half a chance, don’t use spot-on treatments for fleas and ticks, say researchers. A study has shown that when dogs are immersed in water, their skin and fur can…
