Site Details: Holms Geo
Taing Burra Isle
Shetland
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Water type: Seawater
Cumulative mortality over full production cycle
Holms Geo Production cycle end date: Sep 2019
Total losses: 31.8 %
Holms Geo Production cycle end date: Jul 2021
Total losses: 25.5 %
Holms Geo Production cycle end date: Aug 2023
Total losses: 22.6 %
Fish Health Inspectorate mortality
24/04/23-30/04/23
3,369
1.30%
01/05/23-07/05/23
3,225
1.40%
22/05/23-28/05/23
4,758
2.20%
29/05/23-04/06/23
4,270
2.0%
05/06/23-11/06/23
3,834
1.90%
12/06/23-18/06/23
4,413
2.8%
03/07/23-09/07/23
2,867
1.90%
10/07/23-16/07/23
2,255
1.5%
17/07/23-23/07/23
7,687
5.3%
24/07/23-30/07/23
1,901
1.50%
31/07/23-06/08/23
1,289
1.60%
21/08/23-27/08/23
191
1.40%
28/08/23-03/09/23
176
4.30%
Inspection reports
Case Number: 2020-0382
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When fish were transferred from Teisti Geo to Holms Geo in August 11th 2020, a fire occurred on the well boat. The fire cut all power to the well boat and the wells could not be oxygenated. The fish could not be removed from the wells. This caused the death of 29,000 fish.
In the last cycle of fish 28,000 (19.08%) fish died in July 30th 2018. A crash in oxygen levels over night (reportedly due to a plankton die off) caused the death of 6,500 fish. The fish were immunocompromised due to CMS. Fish killed as a result of
CMS numbered 21,500 fish.
No sea lice treatments yet this cycle.
Caligus numbers on the way up, so SLICE has been ordered for the site and they will be treating using SLICE on the week of the physical inspection.
Caligus numbers elevated, but Lep numbers still very low.
Treatment intiated on individual cages once the lice count hits average of 0.01 adults females per fish. Bath treatments not synchronised between sites.
Currently no AMA in place as regional manager recently left and there was no body to conduct meetings between the two companies. In the meantime Greig and SSF have written up FMS's and are willingly sharing those between each other. Once new regional manager starts a new AMA will be drawn up. Reportedly, sealice data currently shared with Grieg on a weekly basis.
Remote inspection carried out by on 11/09/2020 via Microsoft Teams
Site inspection and sampling by
No issues noted on site, sea lice skirts not installed on site at present, may put these on, but this is still to be decided. Sea lice extremely low, with an extremely low trigger for treatment. 100 fish counted per cage per week and trigger is 0.01 adult female, treatments are being targeted to specific cages that reach the treatment level.
Hoping to get another site manager in to share management of the sites, after the promotion of previous site manager. weather changeable during the inspection. [Original PDF]
Case Number: 2022-0238
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Fish from Barcaldine (Aquagen)
28/05/2022 - 3/06/2022 SLICE all pens treated
VMD samples taken from pens 3 and 10 by .
During site inspection no dead fish were observed. Fish deeper in water but those observed looked healthy with good feed reaction.
Remote inspection carried out by on 15/07/2022, supervised by . Site inspection carried out by on 21/07/2022, supervised by . [Original PDF]
Case Number: 2024-0211
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At time of inspection net washer was present due to this there was a slight increase of fouling on site.
General population of fish were shoaling as expected, responded to external stimuli and had a good feed response. On average 3 deformities were observed per pen, but responded to stimuli.
There has been an increase in jellyfish numbers across the site.
Last treatment - Slice 07/05/2024
Wrasse were wild caught. No Wrasse mortalities since input.
3 healthy fish were removed from 1 pen for VMD sampling. During VMD sampling visual inspection was conducted on the fish, the fish were observed to be healthy. Sampled VMD fish in withdrawal from tricaine.
Inspection and paperwork was conducted by whilst supervised by . VMD sampled by [Original PDF]