Floating Fish Feed Machine

1. What is fish feed? Fish feed as known as fish food, is a product used as feed meal to farmed fish and pet fish. Fish feed usually contain vitamins, vegetable proteins, wheat to maintain the fish healthy. The shape of fish feed are pellets, granule and tablet. 2. How to make floating fish feed? Fish food is made by extruding the mixed material through the holes on a metal mould. Basically, there are two type of machines for fish food production: Ring die pellet mill and twin screw extruder: Twin screw extruder makes floating fish feed, it deliver the mixed fish food powder smoothly by double screw inside, during this process, the fish food can reach more than 100 °C in the screw. When the fish food is extruded through the metal mould, fish feed is suddenly cooled down by meeting the room temperature, the shape will be expanded than original. The expanded fish food has a light weight, the pellet can float on the water. Twin screw extruder is the key equipment for floating fish feed production. A complete production line also needed to process different fish food recipe into ready-to-sale packaged fish food.