Whats a concentrated animal farm? I live on a hundred acre farm I sell hay, eggs, veggies , quail & whatever else I can find. My birds range everyday when I'm out working which is everyday. They have been confined more than usual because half of Texas was burned from all the fires last year. Guess that's pushed alot of hawks my way.I didn't want to loose my birds to a stinking hawk. There's not much for them to forage on & I have three vegetable gardens to feed the birds greens such as Kale, Greens, Broccoli cauliflower, tops of carrots.Once the trees come back which I'm praying they come back after the worse drought we've ever had I will let them range alot more. Last year suxed fires everywhere, 6 inches of rain for the entire year, & triple digit heat for over three months I'm lucky the birds are still alive & me as well. I'm really glad my farm wasn't burned from the fires.why are you picking on 7L farms? They have well over 4 sq feet per bird in the coops and they said they free range. And I think when most people think of a caged bird they think of a bird in a small cage where they can't fly. I can't imagine criticizing people who have to keep their birds in a run, such as people who have chickens in their backyard (which is, by the name of this site, what it's all about....) or people who, due to predators, can't leave their chickens running all over. I really hate it when people judge.
So. many unfortunate farmers lost everything they had worked their whole life for. They cried alot but most picked up & started over.Kinda, like the song says country boy can survive.
Coop is 10X10 so approx 7 sq feet per hen; the run is 200X200, minus the space for coop so about another 7 sq feet per hen. Free range is around 1/2 acre minus the patio which has a fence to keep us inside and the hen poop outside. Fence is nowhere near 100% effective on either count LOL. 
