Reprinted from www.dogstardaily.com with permission of Dr. Ian Dunbar
Some dogs get extremely worked up when visitors ring the doorbell, or when dogs walk by the house. Some spaniels and terriers bark at the drop of a hat. And our good friend Larry Labrador will bark whenever a leaf falls from a tree three blocks away.
Barking is as characteristically doggy as wagging a tail or burying a bone. It would be inane and inhumane to try to stop your dog from barking altogether: "You’ll never bark in this town again!" After all, some barking is extremely useful. My dogs are much more efficient than the doorbell and much more convincing than a burglar alarm.
The goal then, is to teach dogs normally to be calm and quiet but to sound the alarm when intruders enter your property. The barking problem may be resolved to our advantage by management and education: first, immediately reduce the frequency of barking before we all go insane; and second, teach your dog to "Woof" and "Shush" on cue.
Reduce the Frequency of Barks
Give him stuffed chew toys
Don't leave him outdoors
Teach "Woof" and "Shush" on Cue
Station an accomplice outside the front door. Say "Woof" (or "Speak," or "Alert"), which is the cue for your assistant to ring the bell. Praise your dog profusely when he barks (prompted by the doorbell); maybe even bark along with your dog.
After a few good woofs, say "Shush" and then waggle a tasty food treat in front of his nose. Your dog will stop barking as soon as he sniffs the treat because it is impossible to sniff and woof simultaneously. Praise your dog as he sniffs quietly, and then offer the treat.
Repeat this routine a dozen or so times and your dog will learn to anticipate the doorbell ringing whenever you ask him to speak. Eventually your dog will bark after your request but before the doorbell rings, meaning that your dog has learned to bark on command. Similarly, your dog will learn to anticipate the likelihood of sniffables following your "Shush" request. You have then taught your dog both to speak and shush on cue.
Over repeated "Woof" and "Shush" trials, progressively increase the length of required shush-time before offering a food reward—at first just two seconds, then three, then five, eight, twelve, twenty, and so on. By alternating instructions to woof and shush, the dog is praised and rewarded for barking on request and for shushing on request.
Remember, always speak softly when instructing your dog to shush, and reinforce your dog's silence with whisper-praise. The more softly you speak, the more your dog will be inclined to pay attention and listen (and therefore, not bark).
Teach your Dog When to Bark
But when the visitor starts up the garden path, eagerly and urgently say "Speak! Speak! Speak!" Praise your dog when he woofs, and then instruct him to sit and shush at the front door while you welcome the visitor. If your dog exuberantly barks and bounces at this point, simply wait until he sits and shushes and then praise and offer a treat.
Have the visitor leave and come back a number of times. Eventually, your dog will greet him by sitting in silence.
This procedure becomes easier with each new visitor. Your dog soon learns to watch passersby in silence and to give voice when they step on your property, but to sit and shush when they are invited indoors—a trained neighborhood watchdog, which even non-dog-owning neighbors will welcome on the street where they live.
If you require a more detailed description, see our Barking page. To teach your dog to be calmer and bark less, you will need numerous stuffable chew toys. To teach your dog to "Woof" and "Shush" on cue, you need some freeze-dried liver treats. All of these products are available from your local pet store.