Browsing NR vitenarkiv by Author "Helgesen, Kari Marie Olli"
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Consequences of reduced effectiveness of salmon lice treatments for lice control
Stige, Leif Christian; Huseby, Ragnar Bang; Helgesen, Kari Marie Olli; Aldrin, Magne Tommy; Qviller, Lars (Peer reviewed; Journal article, 2024)The effective control of ectoparasitic salmon lice, Lepeophtheirus salmonis, in fish farms is challenged by the salmon lice having developed resistance towards several antiparasitic drugs and by the effectiveness of ... -
Effects of regional coordination of salmon louse control in reducing negative impacts of salmonid aquaculture on wild salmonids
Stige, Leif Christian; Jansen, Peder A; Helgesen, Kari Marie Olli (Peer reviewed; Journal article, 2024)Parasitic salmon lice (Lepeophtheirus salmonis) are a constraint to the sustainable growth of salmonids in open net pens, and this issue has caused production to level off in recent years in the most aquaculture-intensive ... -
Estimated effectiveness of treatments against salmon lice in marine salmonid farming
Aldrin, Magne Tommy; Huseby, Ragnar Bang; Stige, Leif Christian; Helgesen, Kari Marie Olli (Journal article; Peer reviewed, 2023)We here estimate the effectiveness of ten types of salmon lice treatments currently used in the salmonid industry by analysing daily and cage-wise data from 90 full production cycles from farms spread along the Norwegian ...