Billund Aquaculture

Billund Aquaculture

- Water Recirculation System (RAS)


A water recirculation system is defined as a production system that uses water more than once in the same unit of cultivation, after being treated and renewed to a determined percentage. This way, a farming system that incorporates water recirculation technology consists of two major clearly defined units: one devoted to the cultivation of organisms and another for the treatment of irrigation water.

The degree of recirculation within a system is defined by the amount of make-up water required for each kilogram of feed delivered daily.

Semi intensive RAS
  • 600 - 800 L/KG FEED
Intensive RAS
  • 300 - 600 L/KG FEED
Super Intensive RAS
  • 30 - 300 L/KG FEED

  • Minimum water requirement
  • Control over farming parameters
  • Stable, predictable production
  • Reduced use of antibiotics
  • Isolation from environmental and climate-related factors
  • Allows production at optimal locations
  • Captures 90% of the solids produced in the system
  • 100% escape control
  • Reduced environmental impact

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