Average female lice per fish

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Salmon Scotland mortality

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Cumulative mortality over full production cycle

Burrastow Production cycle end date: May 2019
Total losses: 5 %

Burrastow Production cycle end date: Apr 2023
Total losses: 15.2 %

Burrastow Production cycle end date: Apr 2025
Total losses: 11.7 %

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Inspection reports

Case Number: 2021-0454

Download Remote inspection carried out on 27/10/2021 by under observation by . Site inspection carried out on 03/11/2021 by
under supervision of .
Fish waste currently being held by TWMA Shetland and is to be used to produce biofuel by SEM once fully approved and operational.
Upon inspection of stock, fish appeared health with no signs of clinical disease. Fish taken for VMD showed no visual signs of disease internally or externally. [Original PDF]

Case Number: 2023-0014

Download Paper work and site inspection conducted by .
Burrastow have had a successful cycle, very low mortality has occurred onsite since input. There are currently 4 cages stocked and the site plans to fallow the site by July of this year.
From the physical inspection of the stock, fish appeared healthy and were observed responding positively to routine feeding regimes and shoaling well. No clinical signs of disease were observed during the inspection.
The site has recently had a spike in sea lice, sea lice counts were last taken on 03/02/2023 and an average of 4.35 AF was recorded for the site. The site are planning to conduct a hydrolicer treatment as soon as possible. This will be the first sea lice intervention treatment this cycle, prior to this spike the site have had good success keeping sea lice at low levels by employing sea lice skirts at each cage. No physical damage, typical of a high burden of sea lice infestation was observed on the date of inspection. [Original PDF]

Case Number: 2025-0073

Download Site is harvesting stock.
Recent health surveillance (05/02/2025) showed no significant results and fish were feeding and behaving well, although some fish were observed to be lethargic.
SLICE treatments had been conducted in October 2023 and April 2024.
During site inspection the general population were observed to be shoaling well and were in good condition. Stock were swimming deep in the water column. Low number of fish were observed to have lesions but were healing well. 5 moribund fish and 2 runts were observed across site.
1 fish was sampled for VMD and was in good condition externally and internally
Mortality, Sea lice and treatment records, FMS were inspected remotely on 12/03/2025 by whilst supervised by .
Site inspection and VHWP/ BMP, records of health surveillance and movement records were inspected on 17/03/2025 by whilst supervised by . VMD was sampled by whilst supervised by . [Original PDF]

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