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Economy

Better feeding control. Utilize the fish’s growth potential. Avoid overfeeding.

Environment

Reuse of feed. Collection of sediment. Reduce nutrient salts in the fjord systems. Major local improvements. Reduces the environmental impact in Norwegian fjords.

Fish health

Collection of excess feed inside the cage which prevents wild fish from accessing feed and particles. This prevents the spread of infection via wild fish between localities.

The concept consists of four parts:

1. Leading net
Internal net which leads particles and dead fish to the dead fish collector.

2. Pellet separator
The pellet separator separates surplus feed from the water stream. The feed is rinsed and led directly back to the desired depth in the cage.

The leading net is patent protected. Other parts are patent pending.

3. Filter
Residual particles in the water flow are passed on to filtration, before the transport water is returned to the sea. The filter has been developed specifically for the purpose and will provide a dry matter content that is manageable in large sacks. The dead fish are separated from the water flow in the same way as today.

4. Salmon lice collection system
The pellet separator is designed for connection to a future collection system for salmon lice. 

Ledenot

Pellet separator

Calculation of savings

Change the numbers to see your savings. The figure for the economic feed factor is 1.32, and is taken from the Directorate of Fisheries’ latest public profitability survey. Figures for feed price are NOK. 15. There is an expected price increase for many raw materials in the future, so this calculator will show minimum savings.

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