It's pretty reductionist to look at this from a pure calorie input / output point of view. Keeping a few pastured chickens to feed food waste can provide pest c

It's pretty reductionist to look at this from a pure calorie input / output point of view. Keeping a few pastured chickens to feed food waste can provide pest control in a garden, an additional source of nutrition for people (which is a complete protein) and a rich fertilizer from their waste.