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Cooling and Drying: Controlling Moisture and Hardness. The extruded dog food pellets are still hot and must be immediately sent to a cooling system to lower the temperature to room temperature, preventing mold growth due to residual heat. Dry dog food requires further drying to control moisture content at 10%-12%, improving shelf life. The drying temperature must be below 80℃ to avoid damaging residual heat-sensitive nutrients. The cooling and drying speed must match the extruder's capacity, with an hourly processing capacity no less than that of a sinking fish feed making machine, to prevent pellets from piling up and sticking together.


Flavor Optimization: Enhancing Palatability. A post-oil spraying process is used to coat the cooled pellets with seasonings such as fish oil and chicken broth. This prevents the seasonings from oxidizing and deteriorating in the high-temperature environment of the extruder, while simultaneously improving palatability and attracting pets to eat. The coating amount is controlled at 5%-8%, and a stirring device ensures even coating, preventing localized over-saltiness or uneven flavor. For picky eaters, natural flavorings can be added to ensure safe and non-irritating seasoning.


Screening and Grading: Removing Substandard Products. After post-processing, the food is screened to remove defective products such as broken pieces and oversized/undersized particles. Broken pieces can be returned to the raw material warehouse for secondary puffing, reducing waste. Qualified particles are graded and packaged according to particle size, labeled with dog food type and applicable age group. The packaging must be sealed and moisture-proof to prevent moisture absorption and deterioration during storage, ensuring consistent quality of the final delivered dog food.
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FAQ
1. What is the price of the dog food manufacturing equipment?
The price ranges from approximately $1,500-$55,000
2. Do you provide maintenance services for your customers?
Yes, we offer comprehensive after-sales maintenance services to our customers.
If you would like to learn more about MIKIM machinery, please contact us. We offer one-stop service and welcome your inquiries!!!
