Research what kinds of foods, vitamins, minerals and other nutrients are essential for the optimal health of the type of bird you are feeding.
Collect the necessary pellet ingredients. Common ingredients include shelled corn, roasted soybeans, wheat grass, barley grass, alfalfa, oats, wheat germ, fruits and vegetables.
Place the ingredients in a food processor. Add any necessary vitamin supplements beneficial for the particular type of bird as discovered in the research conducted in Step 1, such as calcium, niacin, riboflavin, vitamin A, vitamin E or vitamin B12.
Add approximately 1 tbsp. of a natural preservative per 16 oz. of pellet ingredients. Types of natural preservatives include rosemary extract, salt and citrus peel extract.
Process the desired pellet ingredients into powder form in a food processor.
Place the powder into the hopper of a pellet press. Set the pressure setting to high and run the powder through the press. Pellets are extruded and cut from a pellet die.