The advantages of an extruded product include minimal dust and low bacterial counts because of pasteurization at high temperatures. This disadvantage is that the heating process destroys some vitamins. Pellets are formed by combining ground ingredients, then heating the mixture to approximately 180 degree F and extruding it under high pressure to form the pellets. There is little loss of nutrients to heat, but bacteria counts may be higher because of the low temperatures used in the processing. Formulated bird foods come in various shapes, sizes and colors.
Some pellets resemble basic rabbit food, while others look and smell like fruity breakfast cereals.
Most come in several seizes to suit small, medium and large birds. Handfeeding and medicated formulas are also available. Storing Formulated Bird Foods Instructions for proper storage are printed on the packaging of most manufactured avian diets, and the shelf life of the specific product is often indicated. Read product labels, and follow any special instructions for storage. Basically, food should be kept in a cool, dry area, protected from rodents, insects and animals.