I consider our free-ranging flock quasi-feral. We call it "our" flock only because our family has been supplementing their diet with some corn for thirty years. But, they go where they want.
Their numbers stabilize at about a dozen to fifteen hens, a reigning rooster and a few...
Copy that, but to make it more confusing, maybe the conversion from cattle to chickens should not be based on their weight alone.
Like you say, protein has to come into play. Chickens eat a diet of about 15% protein. Good pasture will provide cattle about 1% protein in their diet...
From what I can tell, fully free range chickens need about 5,000 square feet per bird on fairly productive ground without predators. They will still need some supplemental feed because without it the birds will be impossible to control and manage. I'm curious if others think this figure is in...