I don't know the scientific answer to that William, but I reckon dogs are smarter than us when it comes to eating stuff. I reckon the dog knows what it's doing.
Animals are their own herbalists Artichokes ( leaves) and similar herbs in the family (St Mary's Thistle seeds) are excellent, in fact amazing, liver 'tonics' Perhaps something worth remembering this holiday season?
>Jerusalem Artichoke leaves >Artichokes ( leaves) and similar herbs in the family (St Mary's Thistle seeds) Psst! Different family.