Site Details: Setterness North (Bomlo)

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

Average female lice per fish

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Salmon Scotland mortality

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Cumulative mortality over full production cycle

Bomlo Production cycle end date: Nov 2018
Total losses: 24.5 %

Setterness North Production cycle end date: Sep 2020
Total losses: 26.1 %

Setterness North Production cycle end date: Nov 2022
Total losses: 22.8 %

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Fish Health Inspectorate mortality

Date:
15/08/22-21/08/22
Mortality:
5,509
Mortality Rate:
1.30%
Reason given: Virus disease
Virus disease
CMS, destocking through harvest
First notification this cycle, FHI to monitor.
Date:
12/09/22-18/09/22
Mortality:
3,544
Mortality Rate:
1.20%
Reason given: Virus disease; Predation by seals
Virus disease; Predation by seals
CMS; destocking through harvest
Site due to be fallow by 30/09/2022
Date:
19/09/22-25/09/22
Mortality:
4,526
Mortality Rate:
1.50%
Reason given: Virus disease; Predation by seals
Virus disease; Predation by seals
CMS; destocking through harvest
Site due to be fallow end Sept.
Date:
26/09/22-02/10/22
Mortality:
5,186
Mortality Rate:
1.80%
Reason given: Virus disease; Predation by seals
Virus disease; Predation by seals
CMS; destocking through harvest
Harvest delayed due to prioritisation of Nevis sites. Fallow by end of week 44. FHI to monitor.
Date:
02/10/22-09/10/22
Mortality:
9,477
Mortality Rate:
3.3%
Reason given: Virus disease; Predation by seals
Virus disease; Predation by seals
CMS; destocking through harvest
Advanced CMS attributing to mortality, site curently destocking through harvest and due to fallow by mid November, FHI to monitor.
Date:
10/10/22-16/10/22
Mortality:
4,426
Mortality Rate:
2.10%
Reason given: Virus disease
Virus disease
CMS; destocking through harvest
Mortalities have reduced from last report. Due to be fallow wk 45. FHI to monitor
Date:
17/10/22-23/10/22
Mortality:
4,940
Mortality Rate:
2.40%
Reason given: Virus disease
Virus disease
CMS; harvesting to fallow
Mortalities have increased slightly from last report. Due to be fallow wk 45. FHI to monitor
Date:
24/10/22-30/10/22
Mortality:
2,967
Mortality Rate:
2.10%
Reason given: Virus disease
Virus disease
CMS; harvesting to fallow
Due to fallow 15/11/2022
Date:
31/10/22-06/11/22
Mortality:
3,213
Mortality Rate:
2.50%
Reason given: Virus disease
Virus disease
CMS; harvesting to fallow
Due to fallow 15/11/2022. FHI to monitor.
Date:
07/11/22-13/11/22
Mortality:
1,307
Mortality Rate:
2.10%
Reason given: Virus disease
Virus disease
CMS; harvesting to fallow in wk 46
Due to fallow end of Wk 46. FHI to monitor.
Date:
03/06/24-09/06/24
Mortality:
5,854
Mortality Rate:
1.1%
Reason given: Sea Lice related; Virus disease
Sea Lice related; Virus disease
CMS, post wellboat treatment
FHI to monitor.
Date:
19/08/24-25/08/24
Mortality:
5,940
Mortality Rate:
2.0%
Reason given: Viral disease; Sea lice management
Viral disease; Sea lice management
CMS; Post Salmosan wellboat treatment
FHI to monitor.
Date:
02/09/24-08/09/24
Mortality:
4,792
Mortality Rate:
1.7%
Reason given: Viral disease
Viral disease
CMS; Destocking through harvest. Business contacted: expected to be fallow by 17th November, subject to change.
Business contacted for additional information. FHI to monitor.
Date:
09/09/24-15/09/24
Mortality:
4,645
Mortality Rate:
1.80%
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:
4,730
Mortality Rate:
1.9%
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:
3,874
Mortality Rate:
1.9%
Reason given: Viral disease
Viral disease
CMS; Destocking through harvest. Business previously contacted, site currently expected to fallow mid-November.
FHI to monitor.

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Inspection reports

Case Number: 2020-0154


Download Reported mort events;02/03/2020 08/03/2020 3.5kg 1.41% Treatments/CMS 8165
Contacted company for further information, site was treated with the optilicer but due to underlying CMS some pens had increased mortality. Mortality rate is now reducing. FHI to monitor following weeks mortality rate. Site was inspected 3/12/19
(case 20190715) and elevated mortalities were recorded also following optilicer treatment.
09/03/2020 15/03/2020 3.5 kg 1.59% Treatments/CMS 9079
Slight increase on previous weeks mortality report. FHI to monitor following weeks mortality rate. Should mortality remain above reporting levels an inspection will be organised.
16/03/2020 22/03/2020 3.5 kg 3.43% CMS 18270
Post-treatment losses following optilicer treatment w/b 2nd March 2020. Contacted site for further information. Full scale harvest will begin next week (30/03/2020), specifically targeting pens with larger fish and where CMS is causing higher mortalities. This will be reviewed in 2-3 weeks’ time by site management staff. FHI to monitor mortality levels in the coming weeks.
23/03/2020 29/03/2020 3.6kg 2.79% CMS 14387
Harvests started Contacted site manager. Harvest began yesterday. Harvests are restricted due to factory through put and
COVID19 situation but plan to harvest 3-4 times a week. Mortalities still continuing from the treatments at beginning of the month and CMS (very low CT values ).
30/03/2020 05/04/2020 3.6kg 1.88% CMS 9220
Site manager contacted previously. Harvests underway. Starting 30/3/20 and planned for 3-4 times per week. Combination of
CMS and harvest mortalities.
06/04/2020 12/04/2020 3.6 kg 2.8% CMS 12,816 -PSI to be conducted
Morts slightly down so far this week; 3000 for last 5 days.
Treatments since last visit; 23/2/20- 5/3/20 Optilicer , 14/12/19-22/12/19 peroxide/salmosan in wellboat, 16/4/20 salmosan tarp treatment of the Girlsta fish.
Harvesting ongoing 2-3 harvests per week, limited by COVID19 situation only allowing 10000 tonnes a load but now accepting
15000 tonnes per load. Next week 3 harvests scheduled.
Three stocks on site, Landcatch in two pens, Kames in 6 pens and Girlsta in 2 pens. Grilsta input were later stocked and are smaller average wt (2.6kg). Girlsta fish appear not to be as badly effected by CMS and it is hope these will remain on site until
October. Target harvesting the Landcatch fish currently.
The 2 Girlsta pens were given a salmosan tarp treatment yesterday and it appears to have gone well with little mortalities in these pens. No mechanical treatments planned for the site due to CMS. Lice levels have been kept low with company treatment triggers of 0.8 average female.
PSI case conducted as unable to visit site due to COVID19 situation. [Original PDF]

Case Number: 2021-0148


Download Ownership of site about to change so uncertain regarding next input date.
Wk 10 2020 mortality reported 1.41% record is 1.77%. The company biologist explained this was due to human error and should be 1.77% (10,303 fish). This does not affect any actions taken by the FHI at the time of initial reporting.
No mention on FMS that the area is stocked with a single year class but stated in VHWP.
Remote inspection on 13/07/21 done by , observed by .
Physical inspection and VMD sampling carried out by observed by .
Fish appeared healthy, exhibiting normal behaviour. No dead fish observed and less than one moribund/lethargic fish per cage noted. The fish sampled for VMD looked healthy, no clinical signs noted. No sea lice present on the fish. [Original PDF]

Case Number: 2023-0324


Download IPN detected recently in routine health monitoring samples, but no elevated mortalities and no clinical signs observed.
Mortalities removed daily by staff and monitor fish using cameras in cages. Divers on site monthly to conduct net checks.
SLICE treatments of current cycle in April (5-11th), May (16-22nd) and July (11-17th). Plan to undertake hydrogen peroxide tarp treatment for AGD in August.
Take daily water samples (Monday-Friday) to monitor plankton. Samples sent to lab in Lerwick.
All stocks on site from Barcaldine, but a variety of ova sources (Fanad, Aquagen and Benchmark).
Fish sampled for VMD appeared healthy. Fish deep in water and difficult to catch even using box net.
Mortality and sea lice records completed remotely on 21/7/23, other paperwork and inspection completed on 25/7/23. [Original PDF]

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