Bravecto Chewable for Large Dogs is a long-lasting protection from fleas and ticks for 20-40kg dogs. A single dose of Bravecto Blue pack treats fleas for 3 months, controls paralysis ticks for 4 months, and protects against brown dog ticks for 8 weeks. Plus, it treats infestations caused by bush ticks, sarcoptes, demodex, and ear mites.