Acronym NA
Category
Aquaculture
Title Luseskjørt: Dokumentasjon av praktisk bruk og nytteverdi - Lice skirt: Documentation of practical use and utility value Programme National Programme
Instrument (FP6)
Contact Type (FP7)
Strand (Interreg)
NA
Theme (FP7)
Activity Area (FP6)
Regional Area (Interreg)
Action (COST)
NA
Specific Programme (FP7)
NA
Funding source National Coordinator Tor Anders Elvegård Coordinator email tae@nordlaks.no
Coordinator institution
NA
Institutions involved
NA
Start year 2012 End year 2013 Funding (€) € 621,478 Website https://www.fhf.no/prosjekter/prosjektbasen/900834/ Summary Salmon lice are a major challenge for the aquaculture industry and the development of resistance to current drugs requires that a long-term strategy for controlling salmon lice includes the use of non-medicinal measures. The use of plankton cloth as protection around farming cages against the addition of salmon lice has in this project been tested in the field. In the project, the use of 6 and 10 meter deep plankton cloths has been carried out in six experimental setups. In five of the experiments, some cages per locality were clad with 6 and / or 10 meter skirts. In the sixth experimental setup, all the cages at a locality were clad with 10 meter deep skirts. Environment and health parameters such as oxygen, salinity, mortality, growth and disease outbreaks have been observed and the connection between the use of plankton cloth and the addition of lice in the 6 experiments has been investigated by regression analysis. The results show that the use of both 6 and 10 meter deep skirts made of plankton fabric significantly reduces the load on copepods, with the greatest effect of 10 meter deep skirts. However, it is important to bear in mind that the effect of plankton cloth is likely to vary between localities and periods of the year. In this field trial, no significantly low oxygen levels or a negative health condition have been observed as a result of the use of plankton cloth, and the practical experiences have been good. However, it is recommended to ensure good monitoring of oxygen levels when using plankton cloth, as there may be different conditions at different locations. This is especially true when using plankton cloth combined with large fish / tall biomasses. Good use of plankton cloth can effectively contribute to reducing infection pressure at locality level, as shown by the use of skirts on the entire Storfjell locality in this project. Good use of plankton cloth as a continuous protection against infectious copepods is a new tool against salmon lice.
Keywords
Cage aquaculture;
Open sea aquaculture;
Engineering;
Salmon;
Fish;
Parasite;
Marine Region
41
Norwegian Sea (27.IIa)
13
Northern North Sea (27.IVa)
42
Barents Sea (27.I)
14
Skagerrak, Kattegat (27.IIIa)
4
Marine Region Map
