How old before to put Chukars outside

[frank_lap_127]

Hi,
How old must be Chukars before to be put on an elevated floor pen?

Frank

[jchiar]

    "like all the galiformes, you can put them outside when you see the complete plumage and the wheather is not to cold. If you have a inside zone you can heat that zone and open a small hole and the birds get outside when they want and go inside when they have cold."