Is your dog’s non-stop barking driving you crazy ... and positive reinforcement. 8. Try Anti-Barking Tools (Gently!) Use a gentle ultrasonic device that emits a harmless sound when they bark.

Fed up with your dog's incessant barking every time someone knocks on the door? Fear not, pet parents! A pet charity has come to the rescue with top tips on how to curb your canine's noisy greetings.