the benefits of fermented feed come with feeding grain, not pelleted commercial feed.
"The feed can be any good-quality dry mash or straight grains." https://projects.sare.org/wp-content/uploads/Factsheet_Foothills-Farm-fermented-feed_final-1.pdf
But the hens on fermented feed lay 9% more eggs, so "The model indicated that the Fermented feed system was the most profitable owing to greater egg production, despite extra labor costs."