• A model system to evaluate the economic performance of two different dietary feeding strategies in farmed Atlantic salmon (Salmo salar L.) 

      Weihe, Runi; Rørvik, Kjell-Arne; Thomassen, Magny Sissel S.; Asche, Frank (Journal article; Peer reviewed, 2019-07)
      This paper evaluates the feed cost differences in salmon farming based on two energy dense feed strategies: one resembles the industrial preference of using high-fat diets (LP:low protein-to-lipid ratio) whereas in the ...
    • The development of large scale aquaculture production: A comparison of the supply chains for chicken and salmon 

      Asche, Frank; Cojocaru, Andreea-Laura; Roth, Bjørn (Peer reviewed; Journal article, 2018-08)
      The supply chain for salmon is, in many respects, the world's most efficient seafood supply chain. Adopting new technologies and expanding the scale of production have improved competitiveness leading to increased production ...
    • Evaluation of photodegradable chitin synthetase inhibitors for the treatment of salmon lice (Lepeophtheirus salmonis) 

      Sydnes, Magne Olav; Eikemo, Vebjørn; Espedal, Per Gunnar; Sydnes, Leiv K.; Nilsen, Frank (Peer reviewed; Journal article, 2023)
      Some photolabile ethanolamine analogues of the chitin synthetase inhibitors diflubenzuron, teflubenzuron, and lufenuron were tested for activity as anti-lice compounds towards salmon lice (Lepeophtheirus salmonis). Two ...
    • Factors influencing production loss in salmonid farming 

      Pincinato, Ruth Beatriz; Asche, Frank; Bleie, Hogne; Skrudland, Aud; Stormoen, Marit (Peer reviewed; Journal article, 2021-02)
      Using a unique dataset, this paper investigates factors influencing production loss in Norwegian salmonid farming. The factors can be grouped into fish-specific factors (e.g. species, genetics, and generation), input factors ...
    • The impact of parasitic sea lice on harvest quantities and sizes of farmed salmon 

      Zhang, Dengjun; Sogn-Grundvåg, Geir; Tveterås, Ragnar (Peer reviewed; Journal article, 2023-07)
      Sea lice infections are recognized as a primary challenge for both salmon farming and adjacent stocks of wild salmon and sea trout, triggering strict regulations at farm sites and in larger coastal production areas. In ...
    • Impacts of Covid-19 on Norwegian Salmon exports: A firm-level analysis 

      Straume, Hans-Martin; Asche, Frank; Oglend, Atle; Abrahamsen, Eirik Bjorheim; Birkenbach, Anna M.; Langguth, Johannes; Lanquepin, Guillaume; Roll, Kristin Helen (Journal article; Peer reviewed, 2022-08-02)
      A rapidly growing literature investigates how the recent Covid-19 pandemic has affected international seafood trade along multiple dimensions, creating opportunities as well as challenges. This suggests that many of the ...
    • Import demand under price and exchange-rate uncertainties: The case of U.S. Atlantic salmon imports 

      Zhang, Dengjun; Fang, Yingkai; Liu, Yiyang (Peer reviewed; Journal article, 2023-05)
      This study investigates the impacts of price and exchange rate volatilities on Atlantic salmon imports in the U.S. market. We first derive an extended Rotterdam demand model, revealing how risk factors affect import demand ...
    • Intermediaries in Norwegian salmon exports 

      Straume, Hans-Martin; Asche, Frank; Øglend, Atle (Peer reviewed; Journal article, 2024)
      Production of a number of important aquaculture species is highly export oriented, and intermediaries play an important role in the supply chains facilitating the trade. This paper examines the role of intermediaries (e.g. ...
    • Is capture-based aquaculture viable? The case of Atlantic cod in Norway 

      Pettersen, Ingrid Kristine; Asche, Frank; Bronnmann, Julia; Sogn-Grundvåg, Geir; Straume, Hans-Martin (Peer reviewed; Journal article, 2023)
      Capture-based aquaculture (CBA) is an important branch of the aquaculture industry that differs from closed cycle farming in that the stocking material consists of captured wild fish or other aquatic organisms. By skipping ...
    • “It gives me peace of mind”. A new perspective on the identification of quality cues on salmon fillet products in Japan and the USA 

      Altintzoglou, Themistoklis; Cordeiro, Cheryl Marie; Honkanen, Pirjo; Onozaka, Yuko (Peer reviewed; Journal article, 2022-05)
      The way in which perceived quality affects consumer food choice is complex due to variations in intrinsic and extrinsic product attributes that interface with personal factors and the socio-cultural context. Taking the ...
    • Numerical simulation of oxygen transport in land-based aquaculture tank 

      Yin, Guang; Ong, Muk Chen; Lee, Jihoon; Kim, Taeho (Peer reviewed; Journal article, 2021-10)
      Dissolved oxygen is an important indicator of the water quality and important for fish survival in aquaculture. The distribution of the dissolved oxygen is highly dependent on the flow motions, the pressure and the temperature ...
    • Product forms and price transmission in major European salmon markets 

      Straume, Hans-Martin; Asche, Frank; Landazuri-Tveteraas, Ursula; Misund, Bård; Pettersen, Ingrid Kristine; Zhang, Dengjun (Peer reviewed; Journal article, 2023)
      Product development is often an important component in increasing demand for successful aquaculture species. However, this topic has not received much attention due to limited data availability. In this paper, we investigate ...
    • Production cost and competitiveness in major salmon farming countries 2003–2018 

      Iversen, Audun; Asche, Frank; Hermansen, Øystein; Nystøyl, Ragnar (Peer reviewed; Journal article, 2020)
      This paper investigates the development of production costs in aquaculture of Atlantic salmon between the five main producer countries. A unique data set allows us to analyse the development in the period 2003 to 2018. ...
    • Production growth, company size, and concentration: The case of salmon 

      Pandey, Rudresh; Asche, Frank; Misund, Bård; Nygård, Rune; Adewumi, Olugbenga Michael; Straume, Hans-Martin; Zhang, Dengjun (Peer reviewed; Journal article, 2023)
      The largest companies in salmon aquaculture are rapidly getting bigger due to organic growth as well as mergers and acquisitions, and the largest are now multi-national companies. There are two main explanations for this ...
    • Production growth, company size, and concentration: The case of salmon 

      Pandey, Rudresh; Asche, Frank; Misund, Bård; Nygård, Rune; Adewumi, Olugbenga Michael; Straume, Hans-Martin; Zhang, Dengjun (Peer reviewed; Journal article, 2023-08)
      The largest companies in salmon aquaculture are rapidly getting bigger due to organic growth as well as mergers and acquisitions, and the largest are now multi-national companies. There are two main explanations for this ...
    • Serving the industry or undermining the regulatory system? The use of special purpose licenses in Norwegian salmon aquaculture 

      Hersoug, Bjørn; Olsen, Marit Schei; Gauteplass, Asle Årthun; Osmundsen, Tonje C.; Asche, Frank (Peer reviewed; Journal article, 2021-05)
      Aquaculture governance can be challenging as a number of stakeholders have different objectives and visions for the industry. A license is an important tool in ensuring an orderly development of an industry, providing ...
    • Stochastic modeling and financial viability of mollusk aquaculture 

      Moor, Jordan; Ropicki, Andrew; Anderson, James L.; Asche, Frank (Peer reviewed; Journal article, 2022)
      Compared to finfish and crustaceans, limited attention has been given to the economic modeling and production risk analysis of mollusk aquaculture. Given mollusk aquaculture's sensitivity to environmental factors, understanding ...