Buy a dog can not be more than a few months old buy a dog is recommended not to buy a dog too big, such as after 1 year old. Such a dog behavior habits have been formed, if the behavior habits are very bad, the owner is difficult to temper over. If the dog behavior habits are very well developed in the previous owner, then you can still buy. Generally about three months of the dog is more suitable for our breeding, this time the cat has begun to vaccination, deworming, physical quality is better. And it is a good time to develop behavioral habits, the owner can be well-trained.
