First Critical Period:
Birth to nineteen and a half days avg. Needs survival, warmth, food, massage and sleep. Outside stimulus is entirely unprocessed in the immature and underdeveloped brain. Has no effect or memory if raised by human or dog mother until twentieth day.
Second Critical Period:
Fourth to seventh week. Environment plays enormous part in development. Strong socialization with mom and mates develop attitudes towards other dogs. Serious permanent antisocial effects if taken from mom during this period. Dominance order develops. Human socialization is at its peak between five to seven weeks. Best time to socialize by removing pup from mom and litter mates for five to fifteen minute periods per day at same time each day to encourage individuality and self confidence. May start some play training in sixth week.
Third Critical Period:
Seventh to twelfth week. Best time to form life long man/dog relationships. Highly discourage breeder owner transfer in eighth to tenth week due to fear imprinting period. New and unfamiliar surrounding may cause permanent lowering in areas of self confidence. Ideal transfer is in seventh week to form optimal dog/owner bond. Continue with generous individual interaction to bolster dogs sense of individuality.
Fourth Critical Period:
Twelfth to sixteenth week. Cutting age. Declares independence. Best time to establish who is the boss. Play training ends and discipline training begins. Needs to be free of distraction at this period during training. Group training not recommended. Needs consistent individual time for maximum results. The breeder should not do their own tests for the best accuracy as the pups are overly outgoing with him/her because they are accustom to them. Tests should be done by a trained professional who has never been with the litter. This is the most accurate way to test.