Dog Health Questions: Don Sullivan Dog Training System?

I'm watching t.v. as i'm typing this, and there's a Don Sullivan Dog Training System commercial on. It seems pretty cool, but you can never trust them. And it's just a collar? I don't understand how it would change a dog's attitude. Has anyone used it or heard about if it works or doesn't?

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Electric dog collars are primarily used to curb a dog's penchant for excessive barking. The idea behind the collar's use is to provide consistent, negative feedback to that action. Over time, this feedback gradually eliminates the behavior. There is substantial confusion about the use of these collars. Some professional trainers support their use and offer case studies that prove the collars' effectiveness. Other trainers support the widely-held belief that their use is cruel and abusive.

How They Work

Electric collars work by identifying the vibrations emitted from a dog's vocal cords. When your dog barks, the vibrations stimulate the collar through probes attached to its inner portion. These probes are in continuous contact with your dog's skin. When vibrations from barking are identified, the probes deliver a short, electrical charge. The shock is typically low-level and causes no lasting damage to the dog.

Benefits Of Electric Dog Collars

First, electric collars can curb excessive barking. Many dogs are prone to "nuisance barking" (i.e. incessant barking without obvious reason) which can be frustrating to their owners. And specific breeds are more prone than others. These collars can effectively modify this behavior. Second, while nuisance barking can arguably be eliminated through other training systems, the use of an electric collar is usually less maintenance for owners. Third, due to how these collars work, an owner does not have be present or in close proximity to the dog. The collar enforces the new behavior even if the owner is absent.

Potential Drawbacks

While there are obvious benefits to using electric collars, there are also a number of drawbacks. First, dogs typically learn new behaviors more effectively through positive reinforcement. A treat given for good behavior promotes that behavior more reliably than punishment doled out for poor behavior (i.e. barking). Second, owners often have a difficult time understanding why their dog is barking. Dogs bark for a number of reasons that include territorial dominance, response to perceived threats, or anxiety. If an electric collar is used indiscriminately to curb the barking, a dog may become confused about how to express itself.

Making The Decision

Using an electric dog collar continues to be a controversial issue. While some experts argue that their use is inhumane to dogs, others contend that the collars are an effective tool for behavior modification. That said, as with any tool, they can be used inappropriately, causing lasting damage.

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• It looks like an electric collar of some sort.
  
  I don't like how he brags about the "perfect dog". I also don't like how he says to buy his system w/o any other training needed, though it's no surprise--he wants to sell his product.
  
  It seems too good to be true.