Fish feed machine is suitable for the production of fish feed equipment, can produce floating or sinking characteristics of nutritional feed. There are two types of fish feed machines: one is a dry fish food extruder. The other is a wet fish food extruder. Both are widely used in pets such as fish, catfish, and shrimp. It is important to understand the function of fish feed extruder.

What is the difference between dry and wet fish feed extruder?

1 The capacity of dry feed pellet machine is lower than that of wet fish pellet machine, so usually dry feed pellet machine is suitable for small and medium-sized users or factories, and wet fish feed extruder is mainly used for large and medium-sized feed processing facilities and farms. Of course, dry feed pellet machine is cheaper than wet feed pellet machine.

2 Wet fish feed extruders need to work with steam boilers and require water or steam to raise moisture levels to 20% or more. Dry fish feed extruders do not require steam boilers, are easier to use and operate, moisture content can range from 15% to 20%, dry particles will float in the water for about 24 hours, wet particles can float for more than 24 hours without settling.

3 The feed pellets produced by the wet fish feed pellet machine are smoother and better quality than those produced by the dry extruder, because the material is fully matured and mixed in the conditioner.

4 Wet particles are more easily digested by fish than dry particles, and the mineral and vitamin content in the particles can be reduced through the drying process, so the fish feed produced by the wet fish feed extruder has higher nutritional value and can improve the growth rate of fish.

5 Wet fish feed extruders produce wet feed that does not last long and deteriorates quickly, which poses challenges for storage and transportation. In addition, wet fish feeders are expensive to set up and maintain, making them unaffordable for small fish farmers or hobbyists.

The two machines complement each other. Dry fish feeders are more affordable and pellets are easier to store and transport. On the other hand, wet fish feed extruders are more nutritious and easier for the fish to digest, thus reducing waste. Therefore, it is up to fish farmers to decide which machine best suits their farm needs.

In conclusion, fish farming is an important global industry that requires adequate feed to increase fish growth rates. Dry fish feed machine and wet fish feed extruder are two kinds of feed preparation equipment commonly used in fish farming. The dry fish feed machine is cost-effective and more comfortable for grain storage and transportation. However, the food it produces is less nutritious and has a higher waste rate, as fish digestion can be challenging. The wet fish feed extruder is more nutritious, easier to be digested by the fish, and less waste. However, due to storage and transportation challenges, it is more expensive to set up and maintain. Fish farmers must choose the machine that best suits their farm needs based on the fish they produce and the resources of the fish farm.

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