Ivermectin is an antiparasitic agent with a broad spectrum of activity against nematode worms and ectoparacites in animals and has benin use for long time, fenbendazole is a broad spectrum fenbendazole anthelmintic effective against roundworms, tapeworms, and flukes of domestic animalsRollworm medicine for animals is a deworming treatment formulated to eliminate parasitic roundworms (commonly known as rollworms) from the digestive tracts of livestock and pets.