According to a Dietitian

Not entirely the sunshine and pasture. Range free and cage free barns are. Inside The Caged Egg Vs Free Range Debate Like free-range chickens they are less likely become obese. Free range vs cage free . According to All About Eggs by Rachel Khong cage-free facilities have more hen-on-hen violence and lower air quality than facilities that use cages. Note that this doesnt mean theyre able to roam completely free and might just have access to the outdoors at certain times of the day. Free range hens are fed a grain mixture the same as in battery and cage-free farms but they can supplement their diet with greens and insects as they can roam for a certain amount of time per day around a yard a shed or an enclosed chicken coop. Its one step more humane than cage-free in philosophy but according to NPR it might just mean that the hens had a few small doors that lead to a screened-in porch with cement dirt or a modicum of grass To be free-range and certified humane there must be