How to match the feed formula of free-range chickens at all stages?

Chicken feed preparation, farmers can use locally available feed for preparation. The percentage is:

1, chicks: corn 45%, broken rice 18%, wheat 12%, bean cake 20%, fish meal 3%, fish meal 3%, bone meal 2%, salt.

2. Adult chickens (over 45 days old): corn 20%, broken rice 15%, wheat 10%, bean (bran) cake 30%, broken green feed 20%, trace elements 3%, salt and baking soda10%. Among them, fish meal and bone meal can be made by ourselves, such as mussel meat and livestock bones. Can be collected, dried, baked and crushed.

You can let the chicken eat whatever you want.