Different raw materials Feed pellets are mainly made from corn meal, grass meal, straw meal, cottonseed meal, soybean meal and rice husk etc. These materials are relatively soft and moist so they can be processed directly with a small amount of liquid. When the feed pellet machine working, there will be a heating process, after that, the feed pellets will be even more soft and smooth. Feed pellet machine can be divided into many types: poultry feed pellet machine, chicken feed pellet machine, pig feed pellet machine, cattle feed pellet machine, sheep feed pellet machine, etc.