Site Details: Barcaldine On-Growing Unit

Barcaldine Hatchery
Barcaldine
Oban Argyll
PA37 1SE
Operator: Scottish Sea Farms Ltd
Water type: Freshwater

Fish Health Inspectorate mortality

Date:
19/08/24-25/08/24
Mortality:
31,895
Mortality Rate:
2.2%
Reason given: Saprolegnia
Saprolegnia
Bath treatmemts on going.
Historic notification picked up through a routine site inspection (case 2026 0123)
Date:
09/09/24-15/09/24
Mortality:
58,407
Mortality Rate:
2.6%
Reason given: Saprolegnia
Saprolegnia
Treatments ongoing - mortality reducing through following wk 38.
FHI to monitor.Update 17/4/2026 following a site inspection (case 2026 0123) it was determined that the original mortality event notification submitted was incorrect due to an administrative error and included mortalities from another unit. Mortality numbers and % updated.

Source

Inspection reports

Case Number: 2021-0574


Download Site thermometer used due to operators biosecurity practices.
Although registered as 1 site, it is operated as two separate units (2 units of 8 tanks), each has a separate access points, separate PPE, separate equipment and separate RAS.
Mortalities
On-growing Unit 1
WK 45 - 1,490 (0.11%),
WK 46 - 2,451 (0.18%),
WK 47 - 1,899 (0.14%),
WK 48 - 1,960 (0.14%)
On-growing Unit 2
WK 45 - 1,201 (0.1%),
WK 46 - 1,411 (0.1%),
WK 47 - 1,346 (0.1%),
WK 48 - 822 (0.06%)
Very good biosecurity practices in place incl controlled access. Feeding is controlled from central stores and pumped to hoppers at each tanks
No dead or moribund observed, fish appeared in very good condition. Water was very peaty, although good visibility from observation deck. [Original PDF]

Case Number: 2024-0089


Download Treatments; Aquacen /formalin- Cress /bronopol - (pyceese out of stock) - 500oc day withdrawal - on withdrawal - for fungus
9/4-11/4
Case paperwork and inspection by , observed by
Site thermometer used for biosecurity reasons. Site thermometer checked between inputs against a calibrated thermometer
(annual calibration). Records were not available for inspection.
Mort figures for site split into units 1 and 2. Units 1 wk15 0.42%, wk14 0.12%, wk 13 0.16%, wk 12 fallow - Unit 2 wk 15 0.12%, wk14 0.08%, wk13 0.04%, wk 13 0.02%
PCR tested negative for salmon gillpox, flavobacterium and ERM.
About 4 or 5 dead fish were observed in the mort collection tanks associated with about five tanks. These were observed with
Saprolegnia. [Original PDF]

Case Number: 2026-0123


Download The site is split into two areas ongrowing 1 and ongrowing 2, mort records are split between the two so mortality records are kept separate, data was combined post inspection to determine mortality levels across the site.
Peaks in mortality 2024, wk 23 26359 (1.02%), wk 24 28457 (1.12%), wk 25 26859 (1.07%), wk 34 31895 (2.16%), wk 35
27932 (1.18%), wk 36 32848 (1.42%), wk 37 (58407 (2.60), wk 38 (32329 (1.49%), wk 39 25834 (1.24%), wk 40 21573
(1.05%) fungus the main cause.
Peaks in mortality 2025, wk 46 15086 (1%) fungus.
Peaks in mortality 2026, wk 8 28717 (1.10%) fungus.
Treatments for fungus in 2024 included bronopol and formalin. Due to the impacts of treatments on the biotower no treatments have been administered since October 2024.
Fish appeared in good health.
Site thermometer used due to biosecurity measures.
Site reference thermometer is calibrated by ETI (specialist company) and then site thermometers are calibrated against the reference thermometer. [Original PDF]

Source