Being involved in “everything dog”, sometimes I think that I have heard it all.  Sure, I know that there are ingredients in dog food and dog treats that are less than edible, unhealthy and unappetizing.  But after researching an ingredient I found in a dog food on our supermarket shelf, I was floored.  Propylene Glycol? Isn’t this the stuff they use in some anti-freezes?  Sure.  Is.  Although the websites of the food containing this ingredient state a long explanation skirting around the issue,  likening this ingredient to salt.  Is this acceptable to you?  It’s not to us. Why do dog...