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Home > Blog > Fish Feed Pellet Line

Feed Extruder Machine In Fish Feed Pellet Production

By:Fusmar
Date: 2021-01-12
There are two types of aquatic food pellets commonly sold for farming fish or other aquatic species. The pellets have enough density to allow them to sink into the water, which is necessary for crustaceans or bottom-feeding fish, or they have a reduced density to allow them to float on the surface of the water. By the way, Fusmar Machinery can produce high-quality floating fish feed pellet machine
fish feed pellet machine

Floating Fish Food Pellets


Floating pellets are usually produced by fish feed extruder machine rather than conventional pelleting, because extruders can significantly reduce the bulk density of some starch-protein mixtures caused by starch gelatinization form the presence of moisture, temperature and pressure conditions in extruder. However, conventional pellet mill do not usually reduce the bulk density of these mixtures. So far, all of these floating aquatic food pellets have been made on extruders.
aquatic feed pellets
Although these extrusion products are very satisfactory, they require a large amount of capital input through the feed mill machine, which is usually used only for pelleting of the feed and not for extrusion. Therefore, it would be advantageous if floating aquatic food pellets could be produced on traditional pellet mills.
fish feed pellets for aquatic farming

The Differences Between Fish Feed Extruder And Pelleting Machine


An extruder is a device for pushing or pulling materials through a forming die to form a product with a predetermined continuous length of cross section. Pelletizing is the process of compressing or molding material into pellet shapes. Various materials are pelleted, including chemicals, iron ore, animal compound feed, etc.
1. 
Fish feed extruder does not need the steam boiler.
2. The feed pellet made by pelleting machine is more smooth and with better quality.
3. The capacity of extruder is lower than pelleting machine. 
fish feed pellets

 Extrusion Has Several Advantages Over Pelleting 


1. Buoyancy can be controlled, so floating and slow sinking feeds can be produced.
2. Extruded feed is usually capable of carrying higher fat levels than pelleted feed.
3. For many species extrusion increases carbohydrate availability.
4. Extruded pellets generally have greater physical integrity and produce less fines.
5. Wet materials such as fresh minced fish can be readily incorporated into extruded products. 
fish feed production line
Fusmar Machinery is a professional manufacturer of fish feed machine and fish feed production line, this article is mainly about the different between Pellet Mills and Extruder in Fish Feed Production. If you want to buy machines for fish farming or fish feed making, pls contact us.
 
Fish Feed Pellet Mill
Floating Fish Feed Machine
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