Convenient, ready-to-use treatment for rabbits, guinea pigs, rats and ferrets. An approved veterinary preparation containing ivermectin in ready-to-use pipettes. Simply squeeze the contents of the pipette onto the back of your pet to control external parasites such as mites, lice, fleas and ticks, plus internal parasites such as roundworms. This size of treatment is suitable for use on animals over 300g, such as rats, guinea pigs, rabbits, and ferrets.