Infection success of salmon lice related to temperature and implications for regional size of salmon production areas
MetadataShow full item record
Original versionThis report is not to be cited without prior reference to the author
The development rate for salmon lice larvae is highly temperature-dependent. Hence, the time from hatching of nauplii to an infectious copepodid will vary with the natural cycles in the sea. The salmon lice life span is prolonged at lower temperatures. This has implications for dispersal of larvae in the environment and the subsequent decision of what is the sensible regional size of salmon farming areas. The dispersion of salmon lice larvae in Norwegian coastal waters are being studied by means of mathemathical hydro dynamic models. To further extend on the model, biological data for the salmon lice are being implemented. The life expectancy for free living larvae at different temperatures will be important to include to model how long the larvae should be considered infective in the water masses.