Dog behavior problems can start with a breeder Dog behavior problem is very often associated with certain breeds and it is very important that future dog owner do little bit of homework before getting his first dog.
Many dog behavior problems can be avoided if right people choose right breed.
For example, so-called "macho guys" are more suitable for more aggressive breeds (Pit bull, Doberman, Rottweiler etc.
) while more quite and mellow guys will be better for more "friendly" breeds (Golden Retrievers, Border Collies, etc.
) So first step, after choosing the breed is to talk to breeder.
That is the place where some of dog behavior problems can start.
These are some of the questions you should ask breeder, before you decide to buy from him:

• How long have they been breeding this breed?
• How many different breeds do they have?
• How many litters have they had last year and altogether?
• Are there any and what are the most significant problems within the breed?
• What is the average lifespan for this breed?
• What temperament problems can be encountered?
• Is it an easy breed to train and housebreak?
• Is the breed good with children and towards other dogs?
• What type of contract conditions and guarantees are involved in the sale of the puppy?
• Do they have any references from previous customers?

A personal recommendation from a satisfied owner is an excellent way to find a reputable breeder.
You should ask any of your dog-owning friends, a veterinarian or your chosen breed clubs.
They may have a client who breeds and would know about the quality of the pups or they can, at least, give you useful information what to look for when buying puppy.
Somebody, who already experienced bog behavior problem with certain breed, can give you lots of tips how to deal with the problem.