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Grinding of feed ingredients is a crucial aspect of feed processing. Grinding can increase the total surface area of raw material particles per unit mass, improve solubility of feed nutrients in the digestive juice of the animal, and improve digestion. At the same time, the particle size of the crushed raw materials is important for subsequent processes (such as granulation, etc.) . The level of difficulty and the quality of the finished product have a significant impact.

The size of the crushing particle size directly affects the production cost. When producing powdered compound feed, the power consumption of the crushing process accounts for 50% to 70% of the total power consumption. The smaller the pulverized particle size, the better for animal digestion and absorption, and the better for granulation, but at the same time, power consumption will increase, and vice versa. Properly mastering crushing technology and selecting appropriate crushing models are crucial issues in feed production.