Puppies–who doesn’t love the sweet breath and attitude of a wiggly, adorable pup? But, puppies grow up quick. And to keep them sweet and willing, owners must understand a little bit about the growth and development of their charges.

The following is a general discussion of critical periods in a dog’s emotional, mental, and physical
development. If a critical learning period is missed, although a dog may be trained, its basic and natural reactions are permanently affected and its full potential will never be reached. Missing one or all of these periods may cause a puppy to become emotionally and mentally handicapped in its social interactions with other animals and humans–for life.

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