Granular feed storage. Granular feeds are steamed (also with water) granulation and kill most microorganisms and pests. The water content is low and vitamins are easily destroyed by light. Therefore, the pelleted feed must be kept dry during storage. The packaging should use double-layered bags, airtight plastic bags, and external textile bags. Store feed at temperatures below 10°C.
Powdered feed storage. Most of powdered formula feeds are cereals, with large surface area, low porosity, poor thermal conductivity, and easy to absorb moisture and mold. The loss of vitamins increases with increasing temperature. Vitamins, vitamins and minerals have different ways of matching, and their losses are different. In addition, light is also one of the major factors causing vitamin loss. Therefore, powdery feeds should not be kept for a long time and should be used as soon as possible. The general storage time in the factory should not exceed 1 month.
Concentrated feed storage. This feed is rich in protein and contains nutrients such as vitamins and various trace elements. Its poor thermal conductivity, easy to absorb moisture, so vitamins and insects easy to breed, vitamins vulnerable to heat, oxidation and other factors and failed. When appropriate, an appropriate amount of antioxidant can be added. Store it in a dry, cold place.
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