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My large breed puppy keeps mouthing everything. Is this normal?

Updated on September 23rd, 2025

Pet's info: Dog | Rottweiler | Female | spayed | 1 year and 7 months old | 80 lbs

My 19 mo old rottie girl is still picking up everything and putting it in her mouth. We constantly have to watch her and I mean constantly. All toys are kong and we have to put her in her crate when we leave the house. We also have a 3 yr old german shepard male. Do you have any suggestions as to why she is doing this?

1 Answer

Most Helpful Answer

Jennifer Summerfield, DVM CPDT-KA

Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on March 27th, 2017

It's very normal for young dogs to pick up objects, carry them around, and sometimes even chew or eat them - this is how they explore the world :) At 19 months old, Rayne is still a puppy in many ways. Many large breed dogs aren't fully mature until 2-3 years of age, so it's normal that she still has some puppy habits like this. I would continue to crate her when she can't be supervised, and make sure that she has plenty of toys and chew items to provide an appropriate outlet for this behavior. Most dogs do eventually grow out of this, but you will need to be patient and continue to manage her carefully in the meantime.
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