Why does my dog not like her siblings?

asked 2021-05-02 11:41:18 -0500

I just brought my 2 year old dog to meet her siblings for the first time since they were adopted at 3 months old. When they came in contact with each other they became angry and aggressive. My dog and the other dogs don’t act like this towards other dogs. Why did they act like this to each other?

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