Waffles, our 7 month old girl, growled at another dog for the first time today! It started as a casual hello with a passing dog (as happens about 10-15 times every single day) and they circled a little sniffing each other and next think i know, Waffles is growling hysterically, almost shrieking, something i have never heard her do EVER, with people or dogs! The woman with the other dog said her dog brings out the worst in other dogs sometimes, but we were horrified/embarrassed about the whole ordeal. Can dogs put out a bad vibe? I suppose he could have nipped her without us seeing, but she is normally so friendly and playful!
Is this just one random incident, or the start of an aggressive phase? We pulled her away from the other dog immediately and held her to calm her down (she seemed fine once separated), but is that the right response should this situation ever come up again?