The Economics of Salmon Aquaculture

Asche, Frank; Bjørndal, Trond

doi:10.1002/9781119993384

Cited by 130 publications

(114 citation statements)

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“…Disease has also been noted to affect ova supplies and employment. The importance of diseases to the salmon farming industries in Norway and Chile has been highlighted (Tilseth et al, 1991;Asche et al, 2009;Forster, 2010;Asche and Bjørndal, 2011;Asche and Roll, 2013) and FAO (2012) note the common importance of disease to aquaculture. Effective disease management -via reduced stress in stocks, vaccination, fallowing, area management agreements, biosecurity etc.…”

Section: Trends During the Development Of Scottish Salmon Farmingmentioning

confidence: 99%

“…Since the 1980s, there have been substan tial reductions in the use and discharge of i) chemicals used to control sea-lice and algal fouling and ii) antibiotics in Norwegian seawater farms (Asche et al, 1999;Tveteras, 2002;Forster, 2010;Asche and Bjørndal, 2011); the latter reduction is attributed to the introduction of vaccines and improved disease control (Shepherd and Little, 2014). …”

Section: Reducing Resource Inputs and Environmental Pressuresmentioning

confidence: 99%

“…Farmed salm on have now been selectively bred over more than eight generations for a number of traits (growth rate, resistance to disease, age at sexual ma turity, feed conversion efficiency, fillet yield, flesh quality and colour) and represent one of the most genetically improved stocks within aqua culture (Asche and Bjørndal, 2011;Telechea and Fontaine, 2014).…”

Section: Selecting Appropriate Genotypesmentioning

confidence: 99%

“…Farms provide a reliable and consistent source of supply suited to processing and retailing (Naylor and Burke, 2005;Asche and Bjørndal, 2011;Shepherd and Little, 2014). …”

Section: Scottish Salmon Farming As a Case Studymentioning

confidence: 99%

“…a high fillet yield and a product that can be sold in diverse forms, e.g. fresh, sushi, cured, ready-meals, frozen (Forster, 2010;Asche and Bjørndal, 2011;Seafish, 2012). Farming has changed salmon from a luxury product to a global commodity that is an affordable staple seafood product for consumers in the industrialised world (Pelletier and Tyedmers, 2007;Forster, 2010).…”

Section: Introductionmentioning

confidence: 99%

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Trends during development of Scottish salmon farming: An example of sustainable intensification?

et al. 2016

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Commercial farming of Atlantic salmon in Scotland started in 1969 and has since expanded to produce N 179,000 t year −1 . A government department has published annual statistics and information on the seawater and freshwater sub-sectors of the Scottish salmon farming industry since 1979, and this review collates and dis cusses metrics covering aspects of production, farm sites and systems, fish performance, socio-economics and en vironmental pressures. Trends illustrated in this case study of aquaculture development include: initial increases in numbers of farms and companies, followed by decreases due to industry consolidation; increases in average farm size, and productivity of systems and employees; increases in survival, size at age and productivity of fish (yield per smolt, ova per broodstock); reduced dependence on wild stocks for ova. This case study also illustrates the importance of disease management, control of biological processes to overcome natural seasonality (i.e. pro duction of out-of-season smolt), and the international nature of aquaculture. Improvements in fish survival, growth and productivity are attributed to progress in vaccination and health management (including fallowing), husbandry, system design, feed formulation and provision, and introduction of technology and mechanisation. Salmon farming is discussed in relation to the challenging strategy of "sustainable intensification". Improved growth and survival over a period of increasing rearing unit size, farm size and output and decreasing relative staff input counters the common assumption that intensification compromises animal welfare. The value of cap turing time series data on industry wide metrics is illustrated as it enables identification of trends, underperformance and bench-marking, as well as assessment of resource use efficiency, environmental pres sures, and ultimately sustainability. Statement of relevance: This review is an original collation of a comprehensive set of time series of official statistics on an entire, discrete and regionally important sector of commercial aquaculture.Crown

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Section: Trends During the Development Of Scottish Salmon Farmingmentioning

confidence: 99%

Section: Reducing Resource Inputs and Environmental Pressuresmentioning

confidence: 99%

Section: Selecting Appropriate Genotypesmentioning

confidence: 99%

“…Farms provide a reliable and consistent source of supply suited to processing and retailing (Naylor and Burke, 2005;Asche and Bjørndal, 2011;Shepherd and Little, 2014). …”

Section: Scottish Salmon Farming As a Case Studymentioning

confidence: 99%