•
By five to seven weeks they’re developing curiosity and exploring new experiences. They need positive
“people” experiences during this time.
•
By seven to nine weeks they’re refining they’re physical skills/coordination (including housetraining)
and have full use of senses.
•
By eight to ten weeks they experience real fear – when puppies can be alarmed by normal objects and
experiences, and need positive training.
•
By nine to 12 weeks they’re refining reactions, social skills (appropriate interactions) with littermates,
and are exploring the environment, spaces, and objects. They are beginning to focus on people. This is
a good time to begin training.
3 - 6 months
•
Most influenced by “littermates” (playmates now include those of other species).
•
Beginning to see social relationships.
•
Teething (and associated chewing).
•
At four months they experience another fear stage.
6 - 18 months
•
Most influenced by humans and dogs.
•
At seven to nine months they go through a second chewing phase – part of exploring their
environment.
•
Heightened exploration of assertion; testing limits, challenging human and dog relationships.
•
If not spayed or neutered, beginnings of sexual behavior.