Product Description
Fish Feed Production Process
Fish feed production involves a series of steps to create nutritionally balanced, durable pellets tailored to the dietary needs of aquatic species. Here's an overview of the key stages:
1. Raw Material Selection
Ingredients Proteins (fishmeal, soybean meal), carbohydrates (wheat, corn), fats (fish oil, vegetable oil), vitamins, minerals, and additives (binders, antioxidants).
Quality Control Raw materials are tested for contaminants (e.g., heavy metals, pathogens) and nutritional content.
2. Grinding
Purpose: Reduce particle size for better digestibility and mixing uniformity.
Process: Ingredients are ground into fine powders using hammer mills or grinders.
3. Mixing
Equipment: Horizontal or vertical mixers blend ingredients homogeneously.
Additives: Liquid components (oils, enzymes) or heat-sensitive nutrients (vitamins) are added during this stage.
4. Conditioning
-Steam Treatment: Moisture and heat are applied to soften the mixture, improving binding and starch gelatinization.
-Temperature: Typically 80-95°C for 1-5 minutes.
5. Pelletizing
- Methods:
- Extrusion: High-pressure extrusion cooks the feed, creating floating (expanded) pellets. Ideal for species like tilapia or shrimp.
- Steam Pelleting: Compressed through a die using steam, producing sinking pellets. Common for carnivorous fish (e.g., salmon).
- Pellet Size: Adjusted based on fish species and growth stage (e.g., 1-8 mm diameter).
6. Drying
- Purpose Reduce moisture content (<10%) to prevent mold and extend shelf life.
- Equipment: Belt dryers or fluidized bed dryers use hot air (90-120°C).
7. Cooling
- Ambient or forced air cools pellets to room temperature, stabilizing their structure.
8. Coating (Optional)
- Post-Processing: Oils, vitamins, or probiotics may be sprayed onto pellets to enhance nutrition or water stability.
9. Packaging & Storage
- Packaging: Sealed in moisture-proof bags to preserve freshness.
- Storage: Kept in cool, dry conditions to avoid nutrient degradation.
fish feed production line
Company Profile:
Jinan Sunward Machinery Company is founded in 2009 .It is an industry and trade integrated enterprise. The company is committed to R & D extrusion machinery and related ancillary equipments. It is covering mainly machinery and equipment for puffed snack food machine, fried snack food machine ,corn flakes/breakfast cereal system, baby food system, pellets system, artificial rice system,soy nuggets system; as well as pet food/fish food system.
Jinan sunward machine after- sales department are always available for you.
| Model |
Capacity |
Main Motor power |
Price |
| TSE65 |
100KG/H-150KG/H |
22KW |
$22000-$29000 |
| TSE70 |
200KG/H-250KG/H |
37kw |
$39500-$41000 |
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