Blar i NIVA Open Access Archive på forfatter "Åsnes, Helga Øen"
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Does sedation with AQUI-S® mitigate transport stress and post transport mortality in ballan wrasse (Labrus bergyltae)?
Calabrese, Sara; Jonassen, Thor Magne; Steigum, Endre; Åsnes, Helga Øen; Imsland, Albert; Saude, Carolina Serra; Wergeland, Truls; Höglund, Erik (Peer reviewed; Journal article, 2024)Ballan wrasse (Labrus bergylta) are commonly used as cleaner fish in salmon farms as a biological treatment to mitigate sea lice infestation. Improved welfare for cleaner fish both during production of these fish and when ... -
Sulphate removal by membrane filtration minimizes the risk of hydrogen sulphide formation in fixed bed biofilters
Fernandes, Paulo; Rojas-Tirado, Paula Andrea; Åtland, Åse; Åsnes, Helga Øen; Letelier-Gordo, Carlos Octavio; Aalto, Sanni L (Peer reviewed; Journal article, 2024)Hydrogen sulphide (H2S) is one of the suspected reasons behind sudden mass fish mortalities in recirculating aquaculture systems (RAS) in recent years. H2S production in aquaculture systems depends on sulphate and organic ...