A food source whose cultivation, from soil to animal, requires only natural, non-chemical, non-genetically modified, non-synthetic inputs and procedures is a definition of organic feed. It generally takes the form of pellets whose contents include naturally mined trace minerals, such as monocalcium phosphate, and organic herbs and soils, such as garlic and rosemary oil. It will focus upon the combination of such ingredients as organic corn, peas, stabilized rice bran and wheat millrun.
The better question is "What ISN'T in organic chicken feed" because they exclude stuff like antibiotics in their feed.
Because there is not enough farmland in the world to feed everyone off of organic foods
Organic feed can have no additives and should be made from ingredients that have not been grown with artificial fertilizers or any sort of pesticide. Medicated feed has had certain preventative medication added to the feed to keep the chicks or hens healthy. This medication is usually a general all purpose broad spectrum antibiotic. Not all un-medicated feed is truly "organic" and if this is important to you, you must make inquiries as to the source of the ingredients. True organic feed will be certified as organic, not just labeled "organic"
Layena is not organic. It is as close as you can get but it does contain some GMO's.
Organic Beef
they feed on dead or decaying organic matter and are classified as saprophytes
An organic hen is the hen whose feed grown with only natural inputs.
Decomposers consume detritus, dead organic matter. Parasites dwell in (organic) hosts and feed off of them.
They filter feed on bacteria, protozoans, unicellular algae, and bits of organic matter.
Organic grain or just let her out on pasture to eat grass that hasn't been sprayed with herbicide.
That depends on the volume of the farm.
Using Cilia