Dry Type Fish Feed Extruder - Pioneer:Feed&Wood Pelletizing Sep 05, 2016 · The pelleting process includes the following steps: ♦ The mixed feed materials are fed into the fish feed extruder; ♦ The screw presses the material; ♦ Turning screw in the barrel causes a thermal energy (temperature is 110-130 °C); ♦ Finally, we have cooked