Backyard chicken coop garden, nice design. All you need is a yard! http://bit.ly/itefl8
– Mark Bittman (bittman) http://twitter.com/bittman/status/87916441847873536
This is a cool design.
image near the bottom says 2lbs/chicken/week. For 6 chickens that works out to ~50lbs/month or ~$12