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I am not currently keeping chickens, although two other members of my survival team are. I have enjoyed eggs from their efforts and during a collapse fresh eggs are great food as well as a barter item.
I do however have a pre-made chicken hootch still in the box as well as some other materials on hand so if I have enough time when the warning signs for the collapse are imminient, or if survival team members arrive at my site, I can house and raise the chickens.
Here is the link to Prepared Society's Chicken Forum