OK, Sally has not so far had any resource guarding issues with people. We can take awat fresh marrow bones with no issue, I have shared her treats with other dogs during group play, she doesn't get guardy when other dogs come up to me, and the vets where we board her has never reported any issues with guarding.
However, there are 2 incidents that give me pause--one was a scuffel between her and a beagle we were watching (she tried to steal the beagle's treat, and he came after her and she fought back)--we broke it up, no one was hurt, and they were fine together. The second is when she growled at one of our cats who can within a few inches of her food bowl while she was eating.
Nothing else has happened, but I would like to prevent any future issues, especially since we may or maynot have kids in the next 5-10 years. She does well with kids, the the guarding seems to be limited to other animals, but I want her to be bombproof.
Does anyone have any advice in improving this?