There are pros and cons to adopting a dog of any age. Some believe it's best to get a puppy then you can shape the behavior any way you want. Others believe that it's better to get a dog that is one or two years old. They have most of the puppy wildness out of them, so you are dealing with a dog who has settled down a bit. I know people who only adopt Senior dogs as they want a dog that is mellow. If you had the choice, which would you prefer to start with, a puppy or an adult dog? What has your experience been? I'm mixed on this. All the dogs I've ohad came to me as puppies. Those first couple of years were difficult. There is so much work that goes into training a puppy. You need so much patience. On the other hand, an adult dog could have issues. You might be dealing with a dog who chews things up, digs in the garden, is afraid of people, etc. It may have come from a home where it was abused. I guess you don't always know what you will get with an adult. With a puppy, all the problems it has are on your shoulders.