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freeze-drying pet feed
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Three important precautions for freeze-drying pet feed
The eutectic point of meat is usually between -15 ℃ and -20 ℃, and the final temperature of pre freezing should be 8-10 ℃ lower than the eutectic point, usually lowered to -30 ℃ to -45 ℃. The freezing speed should be fast to allow the water to form small ice crystals and avoid large ice crystals piercing the cell structure, otherwise the finished product is prone to looseness and poor taste after rehydration.
Four drawbacks of freeze-drying pet feed
The freeze-drying process requires specialized low-temperature vacuum equipment, and the production process has extremely strict maintenance standards for sterile and dust-free workshops. Due to the high energy consumption and complex process links of the equipment, its overall production cost remains high. Compared to conventional puffed dry grains or low-temperature baked grains
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