In reply to girlymonkey:
Years ago when we had two dogs, one would ignore anything smelly, not avoid them just not bothered. It was perhaps understandable as she was a Bearded Collie and for her, water was by far the most interesting thing.
The other dog, a cairn terrier loved to roll in cow pats and long dead animals.
Our current dog, a crossed fell terrier is not interested in dead animals but it keen on rolling in, and eating(!) fox poo.
Dave