Data Dashboard

All the latest data and charts from Fish Health Inspectorate and Salmon Scotland in one handy place.

Salmon Scotland - Average mortality rate

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Salmon Scotland - Most deadly sites in 2024/25*

  1. Culnacnoc 86.8% (Jul 24)
  2. Soay 76.1% (Aug 24)
  3. Loch Alsh 65.6% (Jun 24)
  4. Noster 58.7% (Jul 24)
  5. Tanera 56.4% (Aug 24)
  6. Geasgill 52.2% (Mar 24)
  7. Meil Bay 47.3% (Sep 24)
  8. Camas Glas 42.8% (Aug 24)
  9. Bay of Holland 40.6% (Jan 25)
  10. Colonsay 40.1% (Sep 24)

* Highest Cumulative mortality over production cycle.
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Salmon Scotland - Production cycle mortality*

Highest figures for February '25
  1. Strone 24.2%
  2. Furnace Quarry 14.1%
  3. Vidlin 9.5%
  4. Shapinsay 5.8%

* Highest Cumulative mortality over production cycle from sites reporting in February '25.
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Salmon Scotland - Monthly mortality

Highest figures for February '25
  1. Invertote 8.1%
  2. Culnacnoc 6.5%
  3. Nevis A 3.8%
  4. Olna South 3.6%
  5. Lismore West (B) 3.4%
  6. Westerbister 3.4%
  7. Stulaigh 3.2%
  8. Greshornish 3.1%
  9. Maaey 3.1%
  10. Marulaig Bay 3%

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FHI Cumulative Mortality

Freshwater & seawater Source

FHI Cumulative Seawater Mortality

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FHI Cumulative Freshwater Mortality

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FHI Seawater Mortality

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FHI - Worst weekly mortality events 2024/25 (seawater)

  1. Aird 114,678 deaths (05/08/24) ▼ Reason given: Bacterial Disease (ERM)
  2. Aird 101,016 deaths (29/07/24) ▼ Reason given: Bacterial Disease (ERM)
  3. Culnacnoc Salmon Farm 77,750 deaths (09/12/24) ▼ Reason given: Handling/AGD/Post barbed wire jellyfish
  4. Invertote Salmon Farm 64,316 deaths (23/09/24) ▼ Reason given: Freshwater Treatments / Handling
  5. Muck 64,152 deaths (14/10/24) ▼ Reason given: SRS
  6. Muck 52,934 deaths (28/10/24) ▼ Reason given: SRS / Jellyfish
  7. Muck 52,932 deaths (21/10/24) ▼ Reason given: SRS / Jellyfish
  8. Invertote Salmon Farm 52,476 deaths (07/10/24) ▼ Reason given: Freshwater Treatments(Delayed Wellboat) / Handling/Seals/Low level - Yersinia ruckeri (Yersiniosis)/CMS
  9. Culnacnoc Salmon Farm 51,285 deaths (02/12/24) ▼ Reason given: AGD/Post barbed wire jellyfish
  10. Aird 45,800 deaths (12/08/24) ▼ Reason given: Bacterial Disease (ERM)

Source

FHI - Worst weekly mortality events 2024/25

  1. Inverpolly 432,935 deaths (01/04/24) ▼ Reason given: RTFS
  2. Inverpolly 384,366 deaths (08/04/24) ▼ Reason given: RTFS
  3. Inverpolly 384,366 deaths (15/04/24) ▼ Reason given: RTFS
  4. Applecross Hatchery 382,624 deaths (02/09/24) ▼ Reason given: Water Quality
  5. Inchmore 296,057 deaths (22/01/24) ▼ Reason given: Poor egg quality
  6. Inchmore 295,991 deaths (13/05/24) ▼ Reason given: Fungus
  7. Applecross Smolt Unit 258,701 deaths (03/06/24) ▼ Reason given: Bacterial Disease (Furunculosis)
  8. Applecross Hatchery 213,558 deaths (09/09/24) ▼ Reason given: Water Quality
  9. Applecross Smolt Unit 192,609 deaths (13/05/24) ▼ Reason given: Bacterial Disease (Furunculosis)
  10. Applecross Smolt Unit 2 174,607 deaths (11/11/24) ▼ Reason given: Fungus; Transfer

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Number of aquaculture sites above CoGP lice threshold

Code of Good Practice suggests between February and Jun the threshold is lowered from an average of 1 to 0.5 adult female L. salmonis per fish during this period.

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