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Average female lice per fish

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Salmon Scotland mortality

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Cumulative mortality over full production cycle

Fishnish (A) Production cycle end date: Jun 2018
Total losses: 5.6 %

Fishnish (A) Production cycle end date: Oct 2020
Total losses: 6.7 %

Fishnish (A) Production cycle end date: Jun 2022
Total losses: 8.1 %

Fishnish (A) Production cycle end date: Jun 2024
Total losses: 24.9 %

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Inspection reports

Case Number: 2021-0483

Download Fish came onto site in December 2020 from the Barcaldine Smolt Unit.
Site had a Salmosan treatment in June, a thermolicer treatment was done in July, peroxide in September and Slice towards the end of September, beginning of October 21.
Fish were sitting deep in the water, but those osberved appeared to be healthy and were active. Lots of wrasse observed in the cages which also appeared to be in good health. 18,014 wrasse were input over June, July and August 21 and only 135 mortalities have been recorded since then. Site manager reported their effectiveness in keeping lice numbers low.
1 mortality and 1 moribund were observed across the site. Moribund was removed and culled. No clinical signs of disease so fish was not sampled. [Original PDF]

Case Number: 2023-0147

Download The stock at Fishnish A have performed very well this cycle in the 160m pens so far, mortality on site has been low since input and the fish are developing well. Upon the physical inspection of the stock fish were observed shoaling well with no clinical signs of disease observed. Internally, fish sampled for VMD were healthy. [Original PDF]

Case Number: 2023-0543

Download Fish came on from Barcaldine Smolt Unit, mix of Stofinfisker and Aquagen (cage 2 and 4) and aquagen only (cage 3). Site manager reported a significant variation in size between stocks, with the stofinfiskers not performing as well as they Aquagens.
Furunculosis, AGD and PGD have been detected on site. Fish were reported to have had lesions resulting from the infection however a course of Aquatet was completed in September and the fish have been reported to be feeding well again and gaining weight. Lesions had reportedly healed well following course of treatment.
Farmed lumpfish were imported from Ireland in December 2022 but staff struggled to remove them before a 12hr FW treatment so all were lost as a result, with none remaining on site. APHA have been made aware of this.
Wildcaught wrasse were stocked onto neighbouring Fishnish B site before being moved into Fishnish A in Dec 22. The site was also stocked with wrasse during the summer months over several inputs in June, July, August and September. Since input the site has lost ~50% of the wrasse. A total of 26,206 was input into the site, and the majority (12, 854) were lost during a FW treatment in December 22.
The wrasse that were observed on site generally appeared in good physical health. There were a handful of individuals observed across the site were slightly lethargic.
Mortality events above reporting threshold:
Wk37 2023: 4,364 (1.11%), wk38: 11,319 (2.92%), wk39: 5229 (1.39%), wk40: 4160 (1.12%), wk43: 5587 (1.54%).
Slice was administered in June, followed by a FW treatment in May, thermolicer treatments in June and July and an Aquatet treatment in September.
Moribunds were observed in all cages, but low numbers (~1-2). 5 moribunds were removed from cage 2 which was the worst affected cage in terms of mortality and diagnostic samples taken. Several poor performing fish were observed, particularly in cage 4. These were not moribund but were anorexic and some spinal deformities were noted.
Fish sampled for VMD appeared in good physical health externally, internally and responded well to feed.
Site staff informed inspector during visit that a seal had entered one of the cages on site recently. This had not been reported to the FHI as required and a retrospective notification was requested. Cage 4 was slightly mishapen which the site manager had attributed to strong currents at the site and a spell of bad weather recently. This had resulted in the top net being stretched and it had lifted away from the bottom net, leaving large gaps where predators could ingress.
Inspection and paperwork completed by , observed by [Original PDF]

Case Number: 2025-0264

Download E-mail from business correspondent to follow up call to on call inspector to report 7/8 PCR positive for BKD, PCR conducted based on histological observation. IDN to be placed. [Original PDF]

Case Number: 2025-0373

Download Vast majority of stock were clean of lice and in very good condition. A few moribund fish were observed across site, these had a slightly higher lice load and were thinner but were not especially lethargic and could not be caught. Fish sampled for VMD appeared healthy externally and internally.
Mortality sitting around 1% in each pen last few weeks, gill related post treatment losses at A group - freshwater treatments at
B group still to be undertaken. Wrasse mortality 1.43% wk 41 - week of recent fw treatment (handling), 0.1-0.3% all other weeks since stocking. Mortalities removed by Foover, installed at start of cycle and proving to be very effective.
Wrasse collected in creels and removed from pens and taken to the other pen groups when conducting freshwater treatments.
Freshwater treatments conducted in January, April, June, July and October by wellboat - 4 hours treatment. 4 loads/pen - overall treatment time 7 days treat A group, B group 5 days.
Salmosan treatment in Feb. Slice treatments Dec, March, August. Regular health sampling undertaken and samples sent to
Pharmaq - AGD, PRV, PMCV identified in samples analysed by Pharmaq,
Pole mounted top nets on all pens, and seal blinds. 2 seals observed on site during visit. Current measures are successful in preventing damage to site equipment.
Surveillance frequency high due to CDN for BKD. Should be reassessed when order removed as on the cusp of low and medium. [Original PDF]

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