I just cant tell you enough how good this food is. I never had them poop pieces of Styrofoam. Its as if They suck every bit of food out of it. Its a lot like when I feed raw chicken quarters. It doesn't even stink, and I can pick it up with my bare hands. again, if you have to feed kibble, you cant go wrong with he Natures Variety Instinct with Raw Boost. I was paying 92.00 a bag,now 71 a bag.... Hell, I'm happier than a man that just made grand champion