descriptive
Analysis v1
Farmers in the U.S. mostly feed corn and soy to chickens because they're cheap, easy to grow in large amounts, and used in all kinds of egg farming — even the more expensive 'premium' kinds.
Evidence from Studies
No evidence studies found yet.
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.