I went to Polyface farm a couple of weekends ago...
It was awesome to say the least.
This video will give you a quick flavor of Joel Salatin
The stream of people hiking the hill to hear the farmer preach
are raised in these mobile shelters
which are moved to fresh "salad" every morning at sunrise
This building is one of many canvas laden industrial tents which house
rabbits and laying hens
in a symbiotic relationship to one another.
Rabbits above, Chickens below
Ever seen hogs raised like this?!
He discusses his method in the above video.