The Cost of Lice: Quantifying the Impacts of Parasitic Sea Lice on Farmed Salmon

By Jay Abolofia, J. Wilen, Frank Asche. Marine Resource Economics, 2017

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Utilization of feed resources in the production of Atlantic salmon (Salmo salar) in Norway: An update for 2016 (2019, background): “Frequent delousing operations increase stress and mortality and reduce feed intake and growth in salmon (Oppedal et al., 2011; Stien et al., 2012; Øverli et al., 2014; Abolofia et al., 2017; Overton et al., 2018).”
Production cost and competitiveness in major salmon farming countries 2003–2018 (2020, background): “This led to similar price increase in all markets, demonstrating that there is a well-integrated global market for salmon (Asche et al., 2018a). Hence, while the disease issues were highly problematic for Chile, it was largely beneficial for producers in the other countries through increased prices ”
Emerging indicators of fish welfare in aquaculture (2021, methodology): “For example, a machine vision system was recently tested for the monitoring of sea lice burdens 132 , which is a major welfare 133 and economic issue 134 in aquaculture.”
Collateral diseases: Aquaculture impacts on wildlife infections (2020, background): “For example, sea lice infections of salmon in Norway generate economic costs equivalent to 9% of farm revenues and have led to damages estimated at > US$ 400 million in 2011 alone (Abolofia et al., 2017).”