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Advantages and cases of small fish ball feed extruder in India

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Advantages and cases of small fish ball feed extruder in India
fish ball feed extruder in India

What is Fish Feed Extrusion Process

Commercial fish feed extrusion process refers to cook the mixture of feed ingredients under high temperature, moisture and high pressure by means of fish feed extruder within short time, whereby the high temperature is a direct result of friction(dry extrusion) or preconditioning and steam injection (wet extrusion). As a technological treatment, extrusion can make it possible to process a variety of fish feed ingredients, such as soybean, corn, rice, peas and raw materials with high water content. According to the moisture content of raw materials treatment, fish feed extrusion process can be divided into two types – dry type extrusion and wet type extrusion.

Dry type extrusion process: in the process of extruding, it adopts the heat from friction for warming materials, forces materials to pass through die hole and gets certain pressure simultaneously under the action of screw extrusion. After extruding out of die hole, materials pressure will decrease sharply and moisture will evaporate so as to achieve the goal of extrusion. During this whole process, water content is always about 15% – 20%.

Wet type extrusion process: its principle is similar to that of dry type extrusion, but it needs to add water and vapor to make moisture up to 20% or even over 30% because the rising of materials temperature depends on the addition of vapor.

Fish Feed Extruder Cases

Nigeria 100-150KG/H Floating Fish Feed Pellet Line

Name: Floating Fish Feed Line

Country: Nigeria

Capacity: 100-150KG/H

Date: Aug 27th,2018

Installation cycle: 10 Days

Feed Pellet Size: 3mm,4mm,5mm,6mm, fish feed pellet

Workshop size(L*W*H):8m*3.5m*4m

Main Raw material:Corn, Soybean Meal, Fish Meal, Black Meal, and other grain

Main Machines List:1.feed hammer mill*5.5KW; 2.feed mixer*250kg/batch; 3.feed pellet extruder*15kw; 4.dryer machine; 5. coating machine and other subsidiary equipment, no packing machine . It's not full automatic contral system.

Advantages and cases of small fish ball feed extruder in India
Advantages and cases of small fish ball feed extruder in India

Adavantage of Extruded Fish Feed

The basic function of fish feed produced through extrusion process is to kill the germ, mycete and fungus in feed ingredients, improve the hygienic quality and provide safe fodder for fish and other aquatic animals. Besides, there are some other obvious advantages of extruded aqua feed:

High digestive utilization ratio: in the process of extruding, the heat, steam, pressure and other mechanical actions can promote the degree of starch pasting, break and soften the cell wall part of fiber structure and release some digestible materials, which is in favor of the digestion and absorption for aquatic livestock.

Slight pollution to environment: with good stability in water, extruded fish feed makes it possible to decrease the dissolution and sediment of feed nutrition and then reduce loss and waste, alleviating water pollution.

Convenient feeding management: extruded fish feed can float on water for a long time, which makes it easier to observe fish ingestion so as to adjust feeding quantity timely and master fish growth and health state.

In addition, with longer and easier storage period, fish feed via extrusion process, including floating, sinking and slow sinking types, also can satisfy different demands of aquatic animals with various ingestion habits. All in all, extruded fish feed has gained great popularity among fish farms and other aquaculture industry around the world.


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