This sounds like a very small study that is based on some subjectivity, but I have to say… I’ve wondered about this, too.
“Stress makes dogs go grey as well as humans” by Henry Bodkin from The Telegraph 19 Dec 2016 (http://www.telegraph.co.uk/science/2016/12/19/stress-makes-dogs-go-grey-humans-new-study/)
Hmmm, I am no expert, but doesn’t that seem like entirely too small of a sample size to draw such sweeping conclusions from? While it may have some (or even a lot) of truth to it, I worry that it could cause some dog owners to feel shame about a greying pet – that they will feel the need to explain how they could allow their dog’s life to be so stressful. It is interesting though!
That’s an excellent point, Bridget. Thanks for bringing it up. I hadn’t thought about it from that angle. I had wondered how much of a role genetics play. Some of us (people, dogs, cats) are natural worriers and maybe that contributes? It can’t be 100% related to stress or anxiety. And it definitely needs further study before we draw strong conclusions.