Improving shrimp feed with intact aqua: field results
This pelleting trial on a shrimp feed in Latin America demonstrates how Intact Aqua improved production efficiency and pellet water stability compared to a synthetic binder.
The field trial included a control run of standard shrimp feed with a synthetic binder, followed by production runs with Intact Aqua. The control run was conducted at an average temperature of 95°C, while the production with Intact Aqua operated at 105°C.
Key takeaways:
- Water Stability: Pellets produced with Intact Aqua showed a 1.5% improvement in water stability compared to the control run.
- Temperature Control: The control production required a lower temperature to prevent blockages. With Intact Aqua, the temperature could be raised, resulting in smoother production.
Testing Method:
- Initial Dry Weight: Three replicate 25g samples were dried in an oven at 130°C to a constant weight.
- Water Stability Test: Three additional 25g samples of each feed were placed in separate flasks filled with seawater and shaken for 30 minutes at 200 rpm.
- Screening: After shaking, the pellets were screened by pouring the contents of each flask over a 0.85 mm sieve.
- Rinsing and Drying: The collected feed was rinsed with distilled water and dried to a constant weight at 130°C.
- Calculation: The dry weight of the recovered pellet material was divided by the initial dry weight to calculate the percentage of water stability.
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