You can either use a bark collar or you can use a spray bottle that has water in it and every time the fog barks at someone spray it and say no or no bark with authority.
Sometimes they bark is because they might not know a person.Orr they might smell that the person is a bad person,there are many reasons why they bark at other people!
Many disabled people would like to lead an independent life without the assistance of a caregiver or family member. An assistance dog can bring medication, a drink to take the medication, open and...
Dogs bark at people mostly because they are trying to protect their "Master". Also, they could be excited but most often just to protect you! If your dog barks, don't always yell at them right away,...