Good information, but surf around the rest of the page and be aware of who is putting it up there. I'm not saying you shouldn't look at it because of the affiliations or actions the API takes, just to know who's involved and to read the information with a grain of salt. Specifically check out the "Wildlife Campaigns" button to the left, then scroll down to, or click on the link for "Other WIldlife related issues". Here you will find some writings and opinions of this group.
They are quite accurate about dogfood, and raise legitimate concerns. I know people who wont feed their dog anything but chicken and rice. (which by the way; IAMs is getting into this market too, with a new "savory" sauce to add to dry dog food or homemade meals for dogs.) Good luck in finding what works best for you and your dog(s).