Little friends™ food is produced by a technique called "Extrusion". With this method, the ingredients are cooked, expanded and formed under high temperature and pressure. Extruded food has an advantage over pelleted food because it creates more durable pellets.
In addition, extrusion makes more of the starches digestible so less starch gets into the large intestine to be fermented by the bacteria. Together, this means there is less chance of your animal getting diarrhea when eating "Extruded" foods.