Update to my previous post.. we dissected some of the Wellness food and sure enough, found fish bones embedded in the kibble!! (they claim on the ingredients that it is 'deboned'. I am now giving my dog Solid Gold and he is doing better.
I have been giving Wellness to my 7 month old pitbull since he was 8 weeks old. I chose it because it is supposed to be a good and natural food. It's very expensive and I thought I was giving my puppy the best. Wrong......