Whole Earth cat food?

http://m.petco.com/product/127107/Whole-Earth-Farms-Grain-Free-Real-Chicken-Cat-Food.aspx?CoreCat=couponsHPFeatured_shopWEFCat

Anyone ever investigate into Whole Earth cat food? I've looked at the ferret food chart and didn't see this particular one on the list. I'm looking at getting our 2 younger ferrets on to something better besides Zupreem or atleast mixing a better brand with it. 

any information is great :)

They have peas listed as the fourth ingredients.  (pea fiber contributes to urinary blockage).

I just saw it while scrolling trying to find a better kitty food for the cat... wasn't sure how the peas would be for a ferret but am considering it for the kitty