We NOW fully free ranger our cornishx. We too believed 100% from others that you could never free range CX. So we raised 3 batches of 50 in tractors. never really liked that either since they didn't move around much. Our change occured when we processed a friends 12 CX that she had in a net paddock. They looked great (slightly smaller than our CX chicks at the same age) and dressed out with "muscles". We still had 1 batch of 50 in the brooder ready to go out, so we get up a huge area with 2 rolls of poultry net, took the front off of the chicken tractor and moved the 3 week old chicks out. They are currently moved to another new area and are almost 7 weeks old. we are SOOOO pleased we did the free range. They venture around hunting grasshoopers and other treats. They nestle in the tall grass for shade. It's so good to see them be chickens when we were told they wouldn't. We feed them grain 2x day and feed them really far away from the tractor, and we pour the feed directly on the ground in a long line. They are scratch around for more morsels later in the day. They forage the most early morning and evening. The heat of the day seems to get to them. It's great to hear them making their happy chicken sounds. And yes they are comical running/waddling across the field wings flapping when it's feeding time. We did decided to wait an extra week to process, but I really don't see any difference in size than the tractor raised chicks.