I am looking to raise chickens on my 100 acre farm. I live in USDA Zone 4 which gets long, cold winters.
I am wondering how I can keep free-range chickens in those conditions, with minimal intervention on my part - i.e. only checking in on them when picking eggs from their coops and otherwise letting them forage and look after themselves.
What do I need to do to have chickens survive harsh winters in a free range method?