High Efficiency Extrusion Granulator

Compared with powdered or granular feed, extruded floating fish feed can save 8% to 15% of feed. In addition, it can also significantly remove toxins and anti-nutritional factors in the material, such as antitrypsin and urease, thereby improving the digestibility and absorption rate of feed and the utilization rate of nutrients.
In addition, when protein is subjected to high temperature in an alkaline environment, lysine alanine is formed. If overheated or the pH value is too high, some amino acids will undergo racemization reaction to produce D-type amino acids, which significantly reduces the digestibility of protein. Among them, lysine, arginine and histidine are the most vulnerable amino acids during heating.

The extrusion process may cause the loss of vitamins, including VA, VD, folic acid, etc. Secondly, since the activity of enzyme preparations will be significantly reduced under high temperature and high pressure, the enzyme preparations in extruded feed may be lost. In addition, microbial preparations such as Bacillus and Lactobacillus are also extremely sensitive to temperature. When the temperature exceeds a certain level, their activity will be completely lost. Finally, high temperature may also lead to partial loss of protein and amino acids, reducing the utilization rate of protein.