Site Details: Calva Bay (Calbha Beag)

Badcall Salmon House
Scourie, Lairg
Sutherland
IV27 4TH
Operator: Loch Duart 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

Calbha Bay Production cycle end date: Apr 2018
Total losses: 39.6 %

Calbha Bay Production cycle end date: May 2020
Total losses: 41.2 %

Calbha Bay Production cycle end date: Jul 2024
Total losses: 11.8 %

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Fish Health Inspectorate mortality

Date:
07/02/22-13/02/22
Mortality:
2,134
Mortality Rate:
1.54%
Reason given: Predation
Predation
Spoke with business correspondant. The site is still experiancing some predation loss. They are managing the morts daily. FHI to monitor.

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Inspection reports

Case Number: 2021-0168


Download Remote inspection done on the 28/05/21 by , supervised by . Physical inspection done on 02/06/2021 by supervised by .
Mortality event wk 34 2019 to wk 8 2020 - reported - gill health issues
2020 wk 10 - 665 fish (1.04%) wk 17 490 fish (1.06%) - not reported at the time, report received 28/05/2021
Freshwater treatments 28 - 30 April and 1 - 7 May 2021 for AGD
Paramove 50 treatments in Nov and Dec 2020 for AGD
No issues on site. Fish looked healthy when sampled for by for VMD (observed by ). [Original PDF]

Case Number: 2024-0007


Download Paperwork completed remotely on 25/01/2024 by , observing. Physical inspection lead by on 07/02/2024, observed by .
Primary cause for mortality is predation
Apr, Jun, Aug 2023: freshwater treatments. Jan 2023 and Mar 2023: Paramove 50 treatments. Both treatments used to combat gill health issues. All cages treated within the same week. Area treated synchronously.
Mostly wild origin wrasse on site caught off coast of Skye, Sutherland and Cornwall. Some WRS from Otter Ferry
Optomease used to anaesthetize closer to harvest time.
ADDs on site licensed by NatureScot as they company hold a research license. The license allows the company to use an
ADD to deter cetaceans in exchange for information.
In the process of replacing all nylon nets with anti-predator nets. At the time of the inspection two cages had already had the anti-predator nets installed, the others will be installed in due course.
Approx 6 fish observed with signs of predator attack.
Fish sampled for VMD appeared clinically healthy and no signs of disease internally.
Hides for wrasse in place.
Calibrated site thermometer used to take temperature. Due to sub-zero temperature, temperature was not displayed on inspectors field thermometer. FHI 045 Thermometer fail sheet completed. [Original PDF]

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