1 Month

  • Milk teeth are coming in

  • Weaning can begin

 

1 ½ Months

  • Nipping, play fighting, chewing

  • About 70% of adult brain mass is present

 

2 Months

  • Typical adoption time

  • Begin housebreaking and integration with household (including children and other pets)

  • Begin talking with your veterinarian about vaccinations and the benefits of spaying/neutering

  • Puppy classes can begin at 6-8 weeks after a first vaccine

 

3 Months

  • Chasing animals, thrown objects, own tail

  • Recognizes own name

  • About 90% of adult brain mass is present

 

4 Months

  • Responds to “come”

 

5 Months

  • Approaching adult height and weight for small breeds (up to 20 lbs.)

 

6 Months

  • Fetching; toys remain important through adulthood

  • Can respond to “heel,” “down,” “sit,” “fetch,” “stay”

  • Sexual maturity for some small breed dogs

 

7 Months

  • Milk teeth are lost; permanent teeth are in

 

8 Months

  • Puppy can be expected to hold elimination for about 8 hours

 

9 Months

  • Puppy training classes complete

 

12 Months

  • Approaching adult height and weight for large breeds (more than 50 lbs.)

 

18 Months

  • Sexual maturity reached for some large breed dogs

  • Approaching social maturity, adult behavior (all dogs)

RELATED ARTICLES

More Articles Like This