2008
DOI: 10.3354/dao01954
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Methods for investigating patterns of mortality and quantifying cause-specific mortality in sea-farmed Atlantic salmon Salmo salar

Abstract: Methods for investigating patterns of mortality and quantifying cause-specific mortality in Atlantic salmon Salmo salar farming were developed. The methods were further used to investigate mortality and patterns of mortality for the first 3 mo after sea transfer in the 2006 year-class autumn smolts (S0) of Norwegian farmed Atlantic salmon. In the study population, which consisted of 20 pens at 10 sites, cause-specific mortality was examined by 11 fish health professionals during 8 visits to each pen. Cause-spe… Show more

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Cited by 46 publications
(39 citation statements)
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“…Using the 50‐percentile curve as a benchmark gives a total mortality of about 11% at the end of production. This is considerably better than the total mortality value of 17% reported by the Norwegian salmon industry and the 21% reported by the Scottish Industry (Aunsmo et al. 2008a).…”
Section: Welfare Indicator Literature Review Ranking Of Levels and Wcontrasting
confidence: 60%
“…Using the 50‐percentile curve as a benchmark gives a total mortality of about 11% at the end of production. This is considerably better than the total mortality value of 17% reported by the Norwegian salmon industry and the 21% reported by the Scottish Industry (Aunsmo et al. 2008a).…”
Section: Welfare Indicator Literature Review Ranking Of Levels and Wcontrasting
confidence: 60%
“…Ulcers are also assigned as a main problem for smolt and baseline mortality where the majority of disease occurs as episodic outbreaks (Aunsmo et al . ). Winter‐ulcer disease refers to infection with the bacterial species Moritella viscosa (Lunder et al .…”
Section: Introductionmentioning
confidence: 97%
“…Presently, the majority of salmon producers use sophisticated IT software as a tool in production control and inventory accounting (Aunsmo et al, 2008), with computerised record systems at the farm level to facilitate data collection. The introduction of these programs has been of great importance in facilitating the monitoring of health data, including causespecific mortality (Aunsmo et al, 2008).…”
Section: Introductionmentioning
confidence: 99%
“…The introduction of these programs has been of great importance in facilitating the monitoring of health data, including causespecific mortality (Aunsmo et al, 2008). Fish weights, feed intake, fish movements, temperature and other environmental parameters and mortality numbers and biomass are examples of records found in fish production databases.…”
Section: Introductionmentioning
confidence: 99%