I completely understand what you are talking about. When Cyrus was with us, and they ate their normal food all was ok they were practically side by side, but if there was a treat involved then Cyrus would give Dixie a warning that this one was his...never really an ugly attack, but Cyrus would...
I think as far as rescue dogs go it also depends on the severity of the situation the dog was in. Alot of dogs just have to take so much that they are beyond saving. My Heeler/lab, Dixie was rescued from the actual owner. She had to endure alot at her previous home. We found her posted at a pet...
I have mixed feeling on this because I see pros and cons of the situation. When my hubby was off of work for injury he had to fight the insurance company for 6 months. All the money we had coming in at the time was my measley support checks. But we still managed to get the dogs feds, and yes...
Maybe something is out of sorts for her. Dogs are so incredible in picking things up that are different for them. Maybe another animal outside? Hope you discover what is going on.