Just a question, where are you seeing this food rated with stars? Can you post the link? I am curious to see where pro plan was rated only 2.5 stars.
Nutro unfortunately has had horrible recalls over the past ten years. A lot of people have had problems with the food and have unfortunately moved on to bigger and better things. Here is some info -
NUTRO Pet Food Recalls 2015 - Pet Food RecallPet Food Recall
I suggest reading this thread that I created. There are 70 posts full of information in regards to dog food and how to choose food. My journey on finding the correct food for my working dog.
Dog Food Help - Fromm