Site Details: Bight of Foraness

Gremista
Lerwick
ZE1 0PX
Operator: Scottish Sea Farms Ltd
Water type: Seawater

Average female lice per fish

Source

Salmon Scotland mortality

Source

Cumulative mortality over full production cycle

Foraness Production cycle end date: Aug 2020
Total losses: 17.8 %

Foraness Production cycle end date: Jun 2022
Total losses: 38.9 %

Source

Fish Health Inspectorate mortality

Date:
10/01/22-16/01/22
Mortality:
5,427
Mortality Rate:
1.10%
Reason given: CMS, Sea lice
CMS, Sea lice
None - information collected during remote paperwork check on 21/7/23. Reports from following weeks submitted to FHI at time
Date:
17/01/22-20/02/22
Mortality:
21,379
Mortality Rate:
4.13%
Reason given: Viral Disease / Sea Lice Related
Viral Disease / Sea Lice Related
Mortality related to HSMI and physical lesions from recent hydrolicer treatments. FHI to monitor, site being visited 7/3/22
Date:
24/01/22-30/01/22
Mortality:
6,916
Mortality Rate:
1.35%
Reason given: Viral Disease / Sea Lice Related
Viral Disease / Sea Lice Related
Clinical HSMI has been diagnosed on the site, with histology results indicating impaired heart function likely during peak output. Recent thermolicer treatments have exacerbated mortality at the site. Treatment strategy has been reviewed by business and site is moving towards less intensive methods (tarp/wellboat) to treat remaining cages. First mortality notification received this year. FHI to monitor.
Date:
24/01/22-27/02/22
Mortality:
21,155
Mortality Rate:
4.12%
Reason given: Sea Lice Related / Predation / Viral Disease
Sea Lice Related / Predation / Viral Disease
updated to 5 week 24/7/23 when error noted.
Date:
21/02/22-27/02/22
Mortality:
4,769
Mortality Rate:
1.04%
Reason given: Sea Lice Related / Predation / Viral Disease
Sea Lice Related / Predation / Viral Disease
Date:
25/04/22-01/05/22
Mortality:
7,094
Mortality Rate:
1.70%
Reason given: Seal predation
Seal predation
Mortality returned below 1% in week 18. FHI to monitor.
Date:
02/05/22-08/05/22
Mortality:
4,921
Mortality Rate:
1.2%
Reason given: Virus disease, Predation by seals
Virus disease, Predation by seals
CMS, Destocking through harvesting
Seal predation has increased and CMS confirmed on site. Destocking site through harvesting. FHI to monitor.
Date:
09/05/22-15/05/22
Mortality:
8,125
Mortality Rate:
2.00%
Reason given: Viral Disease
Viral Disease
CMS, Destocking through harvesting
CMS confirmed on site. Destocking site through harvesting. FHI to monitor.
Date:
07/08/23-13/08/23
Mortality:
6,916
Mortality Rate:
1.40%
Reason given: Predation by seals
Predation by seals
Site contacted for further information : Mortality predominatly due to predation by seals. The site are changing nets next week (wk34).
FHI to monitor.
Date:
11/09/23-17/09/23
Mortality:
6,488
Mortality Rate:
1.3%
Reason given: Predation
Predation
Predation by seals
Contacted operator who stated that nets were changed to Saphire Seal Pro nets with a second barrier net in wk 34-5, and they are also currently adding additional weights to increase the tensioning of the nets further. FHI to monitor.
Date:
20/05/24-26/05/24
Mortality:
5,538
Mortality Rate:
1.30%
Reason given: Wellboat damage; destocking affected pen through harvest
Wellboat damage; destocking affected pen through harvest
First report this year, FHI to monitor in coming weeks following harvest of affected pen.
Date:
03/06/24-09/06/24
Mortality:
4,187
Mortality Rate:
1.1%
Reason given: Virus disease; Predation by seals
Virus disease; Predation by seals
CMS; post FW wellboat treatment
FHI to monitor.
Date:
29/07/24-04/08/24
Mortality:
2,668
Mortality Rate:
1.1%
Reason given: Viral disease
Viral disease
CMS; Destocking through harvest
FHI to monitor.
Date:
05/08/24-11/08/24
Mortality:
2,714
Mortality Rate:
1.1%
Reason given: Viral disease
Viral disease
CMS; Destocking through harvest. Business contacted: Site anticipated to fallow end of September, subject to change.
FHI to monitor.
Date:
09/09/24-15/09/24
Mortality:
1,325
Mortality Rate:
1.30%
Reason given: Viral disease
Viral disease
CMS; Destocking through harvest
Business contacted for additional information. FHI to monitor. Update 19/9 from business; working to fallow all Setter sites within next 7 weeks, so by end of 10th Nov at latest.
Date:
16/09/24-22/09/24
Mortality:
1,713
Mortality Rate:
1.7%
Reason given: Viral disease
Viral disease
CMS; Destocking through harvest. Business previously contacted, site currently expected to fallow mid-November.
FHI to monitor.
Date:
23/09/24-29/09/24
Mortality:
1,996
Mortality Rate:
2.1%
Reason given: Viral disease
Viral disease
CMS; Destocking through harvest. Business previously contacted, site currently expected to fallow mid-November.
FHI to monitor.

Source

Inspection reports

Case Number: 2021-0228


Download VMD fish looked health when opened.
Remote inspection was carried out on the 27/07/21 by . Physical inspection was carried out on the 22/07/2021 by , observed by . VMD sampled by , observed by .
Site has had some issues with seal predation. No damage to equipment - seals predating on fish at side of cage, or in dead sock. The site has trialled Seal Pro nets in the past, but did not find them effective.
AGD has been found on site and freshwater treatment is scheduled to begin 02/08/2021.
Issues raised - Documentation received on the 26/08/2021. [Original PDF]

Case Number: 2023-0322


Download Pen 10 being particularly affected by seal predation - tensioned nets in place, but planning to put on predator nets on whole site at next freshwater treatment while fish are on the boat being treated.
Mortalities removed daily by staff and feeding response observed using cameras. Divers visit monthly for net inspections. Take daily water samples Monday to Friday to monitor for plankton. Fish are live harvested.
Stock on site from Girlsta Hatchery and Barcaldine Hatchery.
SLICE treatments for this cycle of fish in April (4-10th), May (22-28th) and July (11-17th)
One weekly mortality above reporting levels not reported at time of incident (10/1/22), but this was under previous operator.
Recorded as mortality event MRT04167 and no further action required. Not raised in fish health report as occurred under previous operator.
Operate boats out of Setterness base, but office for this site and Poseidon located further along road.
Fish feeding deep in water, but no moribunds observed. Unable to catch fish for VMD during initial inspection so returned following day. All fish sampled appeared healthy.
Mortality and sea lice records completed remotely on 21/7/23, other paperwork and inspection completed on 24/7/23. VMD sampling completed on 25/7/23. [Original PDF]

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