This article from 5acresandadream is all about how they are trying to grow their own feed for their animal with the proper balance of protein without using gmo items. It is a very good article for folks with goats or chicken but what I loved was this diy sunflower de-seeder. There are no instructions on how they made it but the picture looks pretty self explanatory. This would be so much easier than picking the seeds out of sunflower heads by hand.