As modern technology gives us more options, individual fish farms have selected from these technologies and adapted them in order to be as effective as possible with the minimal effect to the local environment. Therefore, it is not surprising that there is a large diversity in how these farms function technically. In fact, not two farms are the same!
A farm’s specifications are dependent on many factors, including the species they farm, the size of production, resource availability, and location relative to protected and sensitive habitats, to name but a few.
In recent years, the Danish fish farming industry has incorporated many of these new technologies, in order to meet the requirements needed for a modern, effective and responsible form of farming.
Here you can see a small film from Vellingskov - one of our smallest land-based farms:
The modern fish farmer - a multitalent
Today, even small farms are technologically complex, as well as being subjected to tight environmental regulation. Therefore, it is not enough that the fish farmer is able to take care of his fish - he must also be able to control and document his farm’s role in the larger society.
The fish farmer especially devotes much of their time to updating, maintaining and repairing the equipment on the fish farm as well as ensuring the correct documentation and sampling needed - to ensure their farm is upholding the requirements set by the local authorities.
Most fish farms in Denmark recirculate a significant percentage of their water, i.e. they reuse some of their water after some kind of water treatment. The percentage of water reuse can vary from farm to farm. Some farms have a modest recirculation of water, while others recirculate almost all their water.
Our fresh water fish farms utilize both surface and groundwater, ensuring it is properly treated prior to reusing it for the fish or returning it to the catchment system. There are several ways to treat the water, and often the farms combine several methods to achieve the best possible results.
Examples of types of treatment:
The physical filter (also known as microfilter) – sifts particles from the water.
The biofilter converts the dissolved waste products into a less toxic form, allowing the water to be reused.
The constructed mini wetland removes dissolved nutrients and other products from the water and allows a final sedimentation process.
Degassing and Oxygenation: Ensuring the water has the correct oxygen saturation before being returned to the fish and/or the environment.
Lars Ditlev Hansen, Bratbjerg Trout Farm
Our farms on land
AquaPri has 16 fresh water farms, located in Jutland, DK.
Our fish are processed at our own plant, Aqua Production, located in Aarøsund near the German border.