If you Google "Consumer Affairs Nutro", I'm sure you will see enough to make you want to switch immediately. This food is being blamed on illness and death in many dogs.
If you spend some time in the health and diet section, you should find lists and more lists of acceptable treats.
I bathe only when Ellie gets dirty or I feel like it. Bathing often can deplete natural oils, so I would only do it more than once a week if necessary.