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Making Fish Feed Extruding Pellets

Fish Feed Pellets Benefits

processing pelleted fish feed, floating fish feed
Processing Pelleted Fish Feed (Sinking Feed, Floating Feed, and Slowly Sinking Feed)

Pellet feed is widely used in fish farming production. More and more fishing ground, fishing village and fish farmers will choose pelleted feed. The fish feed pellet is in increasing demand around the world. Currently, in many countries, the feed pellet mill is in expansion or construction to meet the demand of fish farming or production. It is recommended to actively improve the fish feed pellet production quality and efficiency, and gradually produce the fish feed that contains a variety of reasonable nutrition of full price so as to promote the development of fish production, improve economic efficiency, adapt to the new situation of fish production feed requirements. The benefits of fish feed pellets are as follows.

  • The nutrition of fish feed pellet is comprehensive since it contains all sorts of microelements (protein, adipose, crude fiber, vitamin, etc.) that is needed for fish growth.
  • The lost and waste of feed pellet is less and the feed utilization is high.
  • Keep the fish pond water in good quality and reudece production cost
  • Beneficial to the prevention and treatment of fish diseases.
  • Casting bait is convenient, labor saving, and suitable for automatic casting bait, which is conducive to the mechanization of fish farming


Fish Feed Pellet Types

  • Floating Fish Feed
  • Sinking Fish Feed
  • Slow Sinking Fish Feed / Fish Bait


Small Scale Fish Feed Extruding Production Line

small scale fish feed production line
Cost-effective Equipment Set for Starting Your Own Fish Feed Processing Business

The small scale fish feed pellet production line ABC Machinery provided featured simple structure and easy operation. It is suitable for different materials and production conditions, which makes it the perfect pellet making machine for small or middle size commercial feed pellet mill or people who is going to start aquaculture business. Click here if you are interested in Chicken Feed Making Machine.


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The complete small scale fish feed extruding line includes: crusher, mixer, extruder, dryer, flavor roller, cooling machine and packaging machine. (Related Equipment: Animal Feed Processing Machine >>)

Please Note: This feed pellet production line is also suitable to make feed food for pets, including dog and cat.


Fish Feed Production Process

fish feed production process flow chart
Fish Feed Production Process Design, Equipment Layout

  • Raw Materials Crushing

In order to ensure efficient feed pelletizing, the raw materials should be crushed into smaller pieces. For much smaller pieces, the airflow with high pressure in the rotating hammers can make the materials into smallest pieces.

  • Raw Materials Mixing

Crushed raw materials will be mixed to improve the nutrients and quality of the final produced fish feed pellets.

  • Feed Pelletizing

The feed extruder machine is adopted to make feed pellets. It has wide ranges of capacity, easy operation and less maintenance features. Most importantly, this types of feed extruding machine is equipped with conditioner that can produce the pellets in large quantity and ensure high quality. (Related Post: Feed Pellet Machine Price >>)

  • Feed Pellet Drying

Drying is necessary and indispensable in fish pellet extruding line since the feed pellet directly coming from extruder is of high content of moisture. Drying process can lower the temperature and remove most of the moisture.

  • Oil Spraying

This process is designed to improve the feed taste and smell. The oil spraying machine is used to spray atomized oil on the surface and inner of feed pellets.

  • Pellets Cooling & Packaging

Feed pellets after oil spraying process will become soft when the temperature is rising, so cooling process can make it hardened. Final produced fish feed at normal temperature will be packed by automatic bagging machine for storage or sales.

Fish Feed Extruder Machine at Factory Price

floating fish feed extruding machine manufacturer and supplier
Fish Feed Extruding Machine (Both dry-type and wet-type feed extruder can be offered)

Model  Screw diameter Capacity (kg/h) Main power Feeding power Cutting power Packaging Size Weight
BEM40 φ40mm 30-40 5.5kw 0.4kw 0.4kw 1400* 1100* 880 310
BEM50 φ50mm 60-80 11kw 0.4kw 0.4kw 1450* 1120* 900 360
BEM60 φ60mm 120-150 15kw 0.4kw 0.4kw 1470* 1150* 900 386
BEM70 φ70mm 180-250 18.5kw 0.4kw 0.4kw 1500* 1320* 950 640
BEM80 φ80mm 300-350 22kw 0.4kw 1.1kw 1800* 1500* 1000 790
BEM90 φ90mm 400-450k 30kw 0.6kw 1.5kw 2300* 1640* 1000 950
BEM120 φ120mm 500-700 55kw 1.1kw 2.2kw 2330* 2000* 1200 1850
BEM135 φ133mm 800-1000 75kw 1.1kw 2.2kw 2330* 2030* 1200 2050
BEM160 φ155mm 1200-1500 90kw 1.5kw 2.2kw 3100* 2650* 1800 3600
BEM200 φ195mm 1800-2000 132kw 1.5kw 3.0kw 3100* 2850* 1900 4322

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Extruder Die Temperature on Fish Pellets

Research was carried out to find the impact starch source and extrusion die temperatures have on the physical properties of the pellets. Its results proved that starch source has a tangible impact on extruder pellets. However, it is only floatability and the content of moisture that is not affected by these conditions.

  • Definition of Extrusion

Extrusion is a way of making food and feeds often applied by most companies that involve HTST food. In extrusion cooking, the raw materials have to change structure chemical. This process is quite complicated because its ingredients are of high quality and unsteady because it depends on barrel’s temperature profile, rate and of feed, the die profile, type of extruder, configuration and the speed of the crew.

  • Analysis of Pellet Durability, Expansion Ratio, and Water Absorption

After mixing taro and rice starch that is broken, separate this mixture by use of a single screw extruder. The profile of the barrel temperature has three zones, set each of the three zones at a constant temperature of seventy, ninety, and one hundred degree Celsius. By doing this, you will be able to analyze the moisture content, the ratio of expansion, density of bulk, floatability, durability and solubility index, and water absorption.

  • Results

From the results, it is clear that the physical properties of pellets are affected by high die temperature. Also, the conversion of the starch source from taro to broken ice was significant. The diet of fish with excess broken rice starch than diet had the most ER, PDI, and WAI. When the die temperature rose from one hundred and twenty-five to one hundred and seventy degree Celsius, there was an increase of the value percentages of MC by 7.0, ER by 3.5, F by 103.6, PDI by 0.1, and WAI by 13.5. Also, as the die temperature was rising, the values in BD fell by 9.4 and WSI by 12.2%.

Floating Fish Feed Production Video


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