Normal weather condition:
A small portion of the cage is out of water. The net dries in sun/air.
Self-cleaning of nets by sun and air:
At the period of fingerling stocking, the cage shows 1/3 out of water.
The net tries in sun and air. Dry remains are jet of by water power.
Cage is half out of water for grading, harvesting, dead fish lifting,
Cage is permanently below water trough – fish lives stress-free.
Feeding: A liquid feeder feeds each section in any depth position
of the cage.
Oxygenation: Diffuse-pipes at the bottom of the cage for air or liquid oxygen. The propeller of the ship streams water through the cage.
Grading of fish: Each section has a radius-net with fixed mesh sizes.
By revolving the cage, fish is graded. Big fish is leaded to the fish pump.
Harvesting of fish: The section-nets for grading fish,
are used for harvesting by revolving the cage.
Dead fish lifting: 30cm net-strip along length-buttress.
By revolving the cage, the dead fishes are collected.