In addition to these requirements, free-range systems must also provide the following: One hectare of outdoor range for every 2500 hens (equivalent to 4m^2 per

In addition to these requirements, free-range systems must also provide the following: One hectare of outdoor range for every 2500 hens (equivalent to 4m^2 per hen; at least 2.5 m^2 per hen must be available at any one time if rotation of the outdoor range is practiced) From the wikipedia page you linked. That's not too bad, is it?