In the aquatic feed extrusion processing, the feedstuff actually go through the condition of high temperature, high humidity and high pressure. When the feed pellets are discharged from the pellet die holes, the pressure is dropped from high pressure, and the moisture in the feedstuff immediately transforms from liquid to gas and distributes out of the feed. As a result, the feed materials expand and form the so-called extrusion feed. Fusmar Machinery is a professional fish feed pellet making machine manufacturer.
Dry-type Fish Feed Extruder And Wet-type Extruder
Our dry-type feed extruder machines are designed with auto feeding system, auto temperature control system and electric heating device to improve production efficiency. Besides, it is easy to control the feed floating time by adjusting the puffing degree. The wet type fish feed extruder is designed with a conditioner. Compared with the dry type ones, wet type extrusion machines have higher production capacity. This is also wet type extruders are suggested in most large scale production line.
Aquatic Feed Processing Plant
The processing of aquatic feed is far more demanding than that of livestock and poultry feed processing, since aquatic animals such as fish and shrimps have small gastrointestinal tracts and poor digestion and absorption. This also why it is particularly important to select the right equipment for setting up aquatic feed processing plant.
Extrusion Feed And Compressed Feed
Extrusion feed is made by feed extruder, while compressed feed is made by feed pellet press. Common Points: Both the extrusion feed and compressed feed have the advantages of good palatability, avoid picky eaters, easy to transport, help digestion, reduce waste in the feeding process, etc. But extrusion feed also has some unique advantages listed below. Extrusion Feed Superiority: Starch gelatinization in the feed is high, the protein is more easily digested, and the utilization rate of the animal feed is improved. What’s more, expanded feed has excellent floating property, and it is more convenient for the observation of the feeding condition. Besides, the water pollution can be controlled to the maximum extent. These are also the main reasons for the widespread use of extruded feeds.
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