protective aggession

I have this male and two female dogs (they are all spayed/neutered). They are all from a shelter and this shelter-dogs-adoption of mine started a year ago with one of those females (Laika) when she was a pup. A year later I adopted another two dogs (female-Sissi; male-Marlow, who is from the...

I am getting an aussie pup soon and I know this breed is likely to be protective and wary of strangers. This isn't my first time dealing with some variation of the breed- my other dog is a blue heeler/aussie mix. I'm not sure why I'm more nervous this time around- it might be because I'm older...

Hi, I am new to this forum with the hope of understanding more about protective aggression in dogs. I have had dogs all my life and for the last 15 years Golden Retrievers. After my last girl passed I decided to adopt and older dog, a 9 month old bitch and not long after that a 5 year old...