To prevent parasites in Irish Wolfhounds, you must keep the dog's body clean and tidy, and feed less raw and cold food; when the dog is infected with parasites, it must be dewormed internally and externally. If there are parasites in the hair, it must be applied externally. Bactericidal drugs. If the parasites are severe, take the dog to a pet shop for medicinal bath treatment. After that, the dog will be dewormed every 3 months to avoid reinfection with parasites.