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Citation

Soares S, Green D, Turnbull J, Crumlish M & Murray AG (2011) A baseline method for benchmarking mortality losses in Atlantic salmon (Salmo salar) production. Aquaculture, 314 (1-4), pp. 7-12. https://doi.org/10.1016/j.aquaculture.2011.01.029

Abstract
On-farm databases provide a large diversity of information regarding fish health and stock performance. Mortality records held in on-farm database are indicators of fish health status and of great interest for studying fish health, such as patterns of diseases. Mortality records from a Scottish Atlantic salmon production database of one company were used to develop a method of benchmarking production losses due to mortality. The records used concerned mortality loss numbers of Atlantic salmon in the seawater phase. The median, 10th and 90th percentiles of mortality were calculated for each week of production from 88 production recorded cycles. These values were used to delimit the range of a standard mortality curve through the production cycle. The effects of the different mortality losses from each cycle on production in terms of costs and time consumed were also described. Likewise, substantial interannual variation in mortality time series is described as well as the mortality variation associated with three diseases (Pancreas Disease, Cardiomyopathy Syndrome and Infectious Pancreatic Necrosis).

Keywords
Fish health; Benchmark; On-farm database; Mortality records; Population dynamics; Atlantic salmon Mortality; Atlantic salmon Growth

Journal
Aquaculture: Volume 314, Issue 1-4

• Manuscript_I.pdf