That depends on the quantity of supplemental feeding, the climate, shelter provided, the availability of natural food, manure management procedures, and about a hundred other things. read more
James Dryden’s classic and still helpful 1916 book, Poultry Breeding and Management (republished by me under my Norton Creek Press label), he recommended 50 chickens per acre as the safe, sustainable level, and thought that maybe, just maybe, 100 chickens per acre can be sustained if the “night manure” under the perches is disposed of elsewhere, and several other special steps are taken. read more