Site Details: Ardessie A

Ardessie
Dundonnell, By Garve
Ross-shire
IV23 2QU
Operator: Wester Ross Fisheries 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

Production cycle end date: Feb 2019
Total losses: 65.7 %

Production cycle end date: May 2020
Total losses: 5.2 %

Production cycle end date: May 2021
Total losses: 6.6 %

Production cycle end date: Apr 2022
Total losses: 34.1 %

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Fish Health Inspectorate mortality

Date:
01/08/22-07/08/22
Mortality:
1,013
Mortality Rate:
1.52%
Reason given: Gill Health Related
Gill Health Related
Site experiencing a continuation of gill health issues from a plankton bloom in the area. Histology samples have verified the plankton insult. Freshwater treatments have occurred at the site. Site is still feeding well. FHI to monitor.
Date:
08/08/22-14/08/22
Mortality:
2,673
Mortality Rate:
4.07%
Reason given: Gill Health Related
Gill Health Related
FW treatments are ongoing
Site experiencing a continuation of gill health issues from a plankton bloom in the area. Freshwater treatments are ongoing and mortalities are reducing.
Date:
15/08/22-21/08/22
Mortality:
1,857
Mortality Rate:
2.95%
Reason given: Gill Health Related
Gill Health Related
FW treatments are ongoing
Site experiencing a continuation of gill health issues from a plankton bloom in the area. Freshwater treatments are ongoing and mortalities are reducing.
Date:
22/08/22-28/08/22
Mortality:
1,254
Mortality Rate:
2.06%
Reason given: Gill Health Related
Gill Health Related
FW treatment planned for wk 37
Mortalities reducing, FHI to monitor
Date:
19/09/22-25/09/22
Mortality:
3,590
Mortality Rate:
6.08%
Reason given: Gill Health
Gill Health
The high mortality was a result of AGD treatments combined with the ongoing proliferative gill damage experienced by plankton blooms.
Mortality decreased in week 39 to 0.61%. FHI to monitor.
Date:
25/03/24-31/03/24
Mortality:
117
Mortality Rate:
1.24%
Reason given: Maturation
Maturation
FHI visited 27/3/24. FHI to monitor.
Date:
01/04/24-07/04/24
Mortality:
200
Mortality Rate:
2.15%
Reason given: Physical damage (handling/grading of broodstock)
Physical damage (handling/grading of broodstock)
FHI visited 27/3/24 (2024-0069). No moribund fish observed during the inspection. FHI to monitor.
Date:
08/04/24-14/04/24
Mortality:
166
Mortality Rate:
1.83%
Reason given: Physical damage (handling/grading of broodstock)
Physical damage (handling/grading of broodstock)
FHI visited 27/3/24. No diagnostic samples collected. FHI to monitor.

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Inspection reports

Case Number: 2020-0445


Download Case paperwork completed by on 14/10/2020, Inspection by on 20/10/2020
PD (SAV 5) reported in stock earlier in the year but not causing issues some AGD treated with peroxide
Mortality event had not been reported earlier in the year as site contact thought only unexplained events were to be reported.
2020, week 30 1.95% 1,322 Ardessie A, AGD treatment with peroxide resulted in increased morts, background PD considered a contributing factor.
Mortality data collected for the Ardessie B site during the inspection, 2020 week 30 Ardessie B 2.68% 3417 AGD treatment with peroxide resulted in increased morts, background PD considered a contributing factor.
Site inspected and VMD sampled by - Fish looked health and feeding well. Very little fouling on nets. A few mature fish spotted but no health concerns observed. [Original PDF]

Case Number: 2021-0330


Download Following the mortalities due to gill health issues and handling for husbandry operations, there has been a return to normal mortality, with fish shoaling as normal and no moribund fish observed. The site has planned to start harvesting from the end of this week. A seal was observed close to the pens but predator mitigation was in place. Lions mane jellyfish observed on site.
Records show observed cleanerfish mortality is very low. Nets are kept clean by swim-through and air drying. Although registered separately, the two Ardessie sites are operated as one for production purposes. Inspection and remote paperwork undertaken by supervised by [Original PDF]

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