Is my dog becoming aggressive due to us bringing home a new Puppy?

4344526751 4237b6b57a m Is my dog becoming aggressive due to us bringing home a new Puppy?
by hmmlargeart

Question by Jodi G: Is my dog becoming aggressive due to us bringing home a new Puppy?
Okay, here is my problem. I have a two year old male Puggle. He has always been a really friendly dog, would not hurt a fly. His only problem up until now has been getting him to stay in the yard. We recently bought a 10 wk old Boston Terrier. Our male puggle gets along fine with him. He is not mean or anything, actually they play quite well together.
However, ever since we brought home the puppy if i am taking the dogs outside and if there is someone walking down the street alone or with their dog, my male puggle with run after them aggresively and will try to bite them. What is going on with him. I am really starting to get worried and want to correct this bad behavior before it gets worse.
Any thoughts or ideas. Thanks

Best answer:

Answer by Jasmine
I think he’s becoming possessive of the puppy. You need to firmly correct him when he does that.

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