For the health and wellbeing of your dog, training should really not ever be considered an option when owning a dog. Well trained dogs are more likely to be behaved and listen, be void of behavioral issues, be good in public, and are less likely to bite. Owners also have a much closer connection with the dog when the time is taken to form a relationship through training.
When you decide to get a dog, you are doing so with the expectation that your new canine companion is going to be with you for many years to come. But how many years, exactly? This is something that all prospective pet owners would like to know. The average lifespan for a dog is about 12 years, but this fact by itself tells you very little. In reality, there are a number of variables that will help determine how long the newest member of your family is likely to be with you.
The best tool for breeders in the fight against canine hip dysplasia (CHD), to come along in years, is the SV's HD Zuchtwert, or Breed value assessment number (HD ZW). The HD ZW number is an estimation of the probability that a dog will produce progeny with CHD.