company news about Is It Possible to Make Homemade Fish Food with a wet fish food making machine?

Raw material pretreatment: Adapted to the operating standards of wet fish feed making machines

Basic raw materials need to be crushed to 80-100 mesh. Insufficient particle size in starchy raw materials such as corn flour and soybean meal will lead to incomplete puffing, while excessively coarse particle size in protein raw materials such as fish meal can easily wear down the puffing machine screw. The moisture content of the raw materials should be controlled at 12%-14%, which is the optimal operating range for the puffing machine. Too high a moisture content can cause sticking to the equipment, while too low a moisture content will increase energy consumption and result in poor puffing effect. Simultaneously, impurities should be removed by screening to prevent clogging of the puffing machine die head.

Simplified home-cooked recipes: Precisely tailored to different fish species

For mid-to-upper-level fish (bass, tilapia): 40% cornmeal + 15% wheat flour + 20% fishmeal + 15% soybean meal + 10% oil. The high starch content is suitable for the high-temperature, high-pressure conditions of wet fish feed production equipment, ensuring stable buoyancy. For bottom-level fish (grass carp, common carp): 30% cornmeal + 25% soybean meal + 15% fishmeal + 10% wheat flour + 15% vegetable meal + 5% oil. The starch content is reduced, and the extruder parameters are adjusted to produce sinking feed. For juvenile fish: the fishmeal content is increased to 25%, and the raw materials are ground to at least 100 mesh, suitable for the low-temperature, low-speed conditions of the extruder.

Raw material compatibility with wet fish feed pellet extruder machine: Avoid process interference

Avoid adding too much high-fiber raw material (such as straw powder); the addition amount should be ≤5%, otherwise it will hinder starch gelatinization and affect the extrusion effect. Oil is added post-processed, sprayed after the extruder discharge and cooling, to avoid high-temperature oxidation and deterioration. Stable compound vitamins are selected as additives to compensate for nutrient loss during extrusion.

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