older male behavior

  1. tmcarson

    Taming aggression in older dog and puppy.

    Davinci is 9 yrs old. He is extremely nice to people, but when dogs bark at him he goes crazy and is unforgiving in the future. He can be cool with a dog, play with him/her, and then out the blue days or weeks later he wants to brawl with him/her. Mainly it is a him. I believe he is an alpha...
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