behaviour problems

Hello Everyone! I need your help :(( I’ve had my Doberman for 9 months since he is already a year old. My cousin and I raised him ever since he was 2 months old. When he turned 4 months till 1 year old, we stayed with my parents who also had two other dogs. He hated our german chow and they have...

Hello so my Doberman is 19 weeks old, she is very mouthy. She bites us everytime we sit down & she tends to bite others too (but never outside the house). She was good till she started teething but I don't know anymore if it's the teething or if it's behaviour issues. Her bites aren't as painful...