Site Details: Flaeshins
Unst
ZE2 9DL
Water type: Seawater
Cumulative mortality over full production cycle
Flaeshins Production cycle end date: Feb 2018
Total losses: 5 %
Flaeshins Production cycle end date: Dec 2019
Total losses: 20.6 %
Flaeshins Production cycle end date: Dec 2021
Total losses: 11.9 %
Flaeshins Production cycle end date: Nov 2023
Total losses: 21.5 %
Fish Health Inspectorate mortality
28/08/23-03/09/23
3,983
1.37%
09/09/23-15/09/23
2,732
1.17%
11/09/23-17/09/23
3,101
1.66%
09/10/23-15/10/23
803
1.34%
Inspection reports
Case Number: 2021-0142
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A mortality event for week 44 2019 was reported as 1.3% but the farm record indicates it was actually 1.45%. More mortalities were added to FishTalk shortly after the figures were reported to Marine Scotland. This does not affect the actions taken by the
FHI at the time.
Remote inspection carried out 15/07/2021 by observed by .
Physical inspection and VMD sampling carried out by observed by .
Fish appeared healthy and behaving normally, no dead fish observed. Less than one moribund/lethargic fish per pen.
The fish removed for VMD sampling appeared healthy, with no clinical signs observed. No sea lice present. [Original PDF]
Case Number: 2023-0238
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Site inspected in calm weather with good visibility. Stock were observed shoaling and responding positively to routine feeding regimes.
Four fish in cage 3 and three fish is cage 5 were observed as moribund / lethargic. No further clinical signs of disease were observed during the inspection. Fish sampled for VMD appeared healthy both externally and internally.
The site completed a cycle of Slice treatments at the end of May and are planning to conduct a further FW treatment scheduled to commence 10/06/2023. [Original PDF]
Case Number: 2025-0072
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Recent health surveillance (01/03/2025) conducted by business showed no significant results and fish were feeding and behaving well, although a low number of fish were observed to be lethargic and have winter sores.
Florocol treatment was conducted in February 2024 following input.
SLICE treatments were conducted in August 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 and had a good feed response. Low number of fish were observed to have lesions but were healing well. There was a low number of fish that were lethargic. 5 moribund fish were observed across site and were dispatched at time of inspection. 4 runts and 1 spinal deformity was 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 and containment records were inspected on 19/03/2025 by whilst supervised by . VMD was sampled by whilst supervised by .
Records relating to the enhanced containment inspection were received on the 09/05/2025. The records were found to be satisfactory. Records were inspected remotely by whilst supervised by on 09/05/2025.
Records relating to the enhanced containment inspection were received on the 25/06/2025. The records were found to be satisfactory. Records were inspected remotely by and on 25/06/2025. [Original PDF]