Leading liver vet says there's too much copper in dog food

The number of dogs now at risk for fatal liver diseases has skyrocketed over the past decade and the culprit is excess levels of copper in commercial dog diets.

The number of dogs now at risk for fatal liver diseases has skyrocketed over the past decade and the culprit is excess levels of copper in commercial dog diets. That's what the world's go-to authorit…