: Tested and safe for herding breeds with the MDR1 mutation (avermectin-sensitive collies).
: Available online with free 3-day delivery and "40% off 1st Autoship" deals. buy revolution for dogs
: Carries 6-month supplies for various weight classes. Product Options & Pricing : Tested and safe for herding breeds with
: Covers heartworms, fleas (adults and eggs), ear mites, sarcoptic mange, and American dog ticks. fleas (adults and eggs)