▁out do ors ▁and ▁far row ▁in ▁h uts ▁on ▁their ▁range . ▁ ▁E gg ▁lay ing ▁h ens : ▁C age - free ▁egg ▁production ▁includes ▁bar n , ▁free - range ▁and ▁organ ic ▁systems . ▁In ▁the ▁UK , ▁free - range ▁systems ▁are ▁the ▁most ▁popular ▁of ▁the ▁non - c age ▁alternatives , ▁account ing ▁for ▁around ▁ 5 7 % ▁of ▁all ▁eggs , ▁compared ▁to ▁ 2 % ▁in ▁bar ns ▁and ▁ 2 % ▁organ ic . ▁In ▁free - range ▁systems , ▁h ens ▁are ▁hous ed ▁to ▁a ▁similar ▁standard ▁as ▁the ▁bar n ▁or ▁av i ary . ▁ ▁Free - range ▁re aring ▁of ▁pul lets : ▁Free ▁range ▁re aring ▁of ▁pul lets ▁for ▁egg - lay ing ▁is ▁now ▁being ▁pione ered ▁in ▁the ▁UK ▁by ▁various ▁p oul try ▁re aring ▁far ms . ▁ ▁In ▁these ▁systems , ▁the ▁pul lets ▁are ▁allowed ▁outside ▁from ▁as ▁young ▁as ▁ 4 ▁weeks ▁of ▁age , ▁rather ▁than ▁the ▁conventional ▁systems ▁where ▁the ▁pul lets ▁are ▁re ared ▁in ▁bar ns ▁and ▁allowed ▁out ▁at ▁ 1 6 ▁weeks ▁of ▁age ▁ ▁Me at ▁ch ick ens : ▁Free - range ▁bro ilers ▁are ▁re ared ▁for ▁meat ▁and ▁are ▁allowed ▁access ▁to ▁an ▁out door ▁range ▁for ▁at ▁least ▁ 8 ▁hours ▁each ▁day . ▁ ▁Free - range ▁bro iler ▁systems ▁use ▁slower - g row ing ▁bre eds ▁of ▁ch icken ▁to ▁improve ▁w elf