Site Details: Loch Carnan

Hebrides Office
The Pier, Lochmaddy
North Uist
HS6 5AA
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

Loch Carnan Production cycle end date: Jan 2018
Total losses: 28 %

Loch Carnan Production cycle end date: Jun 2019
Total losses: 10.8 %

Loch Carnan Production cycle end date: Jun 2021
Total losses: 21.1 %

Loch Carnan Production cycle end date: May 2023
Total losses: 76.8 %

Source

Fish Health Inspectorate mortality

Date:
01/08/22-07/08/22
Mortality:
5,209
Mortality Rate:
1.51%
Reason given: Gill Health
Gill Health
Increasing levels of gill amoeba; freshwater treatments underway
First report this cycle. FHI to monitor.
Date:
08/08/22-14/08/22
Mortality:
8,928
Mortality Rate:
2.63%
Reason given: Gill Health
Gill Health
Increasing levels of gill amoeba; freshwater treatments underway
FHI contacted the company, the FW treatments are having a positive effect on the mortality rates. FHI to monitor.
Date:
15/08/22-21/08/22
Mortality:
4,535
Mortality Rate:
1.37%
Reason given: Gill Health
Gill Health
AGD confirmed onsite, site treated with freshwater on the 24/08/2022. Site considering a peroxide treatment if gill health issues persist. FHI to monitor.
Date:
22/08/22-28/08/22
Mortality:
6,460
Mortality Rate:
1.98%
Reason given: Gill Health
Gill Health
very low red blood cell counts
Forth week over the threshold. FW treatment conducted within reporting period. To monitor and see if mortalities reduce following treatment.
Date:
29/08/22-04/09/22
Mortality:
32,337
Mortality Rate:
10.13%
Reason given: Gill Health
Gill Health
very low red blood cell counts
FHI to monitor, inspector schedule to be in area W/B 03/10/22 (Mortality rates and numbers amended 28/11/2022 following submission of amended data)
Date:
05/09/22-11/09/22
Mortality:
43,235
Mortality Rate:
15.08%
Reason given: Gill Health
Gill Health
very low red blood cell counts
Site Contact - contacted. Mortalities still elevated and divers on site every few days. There is nothing out of the ordinary idetified in water samples and fish aren't able to cope with handling acitivities at present limiting action site can take. FHI scheduled to inspect w/b 03/10/22. (Mortality rates and numbers amended 28/11/2022 following submission of amended data)
Date:
12/09/22-18/09/22
Mortality:
28,871
Mortality Rate:
11.86%
Reason given: Gill health
Gill health
Mortality rate still high but has fallen from previous week. FHI scheduled to inspect w/b 03/10/22. (Mortality rates and numbers amended 28/11/2022 following submission of amended data)
Date:
19/09/22-25/09/22
Mortality:
47,994
Mortality Rate:
22.34%
Reason given: Gill health
Gill health
Site being visited next week (wk40). (Mortality rates and numbers amended 28/11/2022 following submission of amended data)
Date:
26/09/22-02/10/22
Mortality:
36,978
Mortality Rate:
22.19%
Reason given: Gill Health
Gill Health
FHI visitied 5/10/22 and diagnositc samples taken. Await results - case 20220469. (Mortality rates and numbers amended 28/11/2022 following submission of amended data)
Date:
03/10/22-09/10/22
Mortality:
21,679
Mortality Rate:
16.72%
Reason given: Gill Health/ Plankton
Gill Health/ Plankton
Mortality levels have decreased from previous week. FHI visitied 5/10/22 and diagnositc samples taken. (Case 20220469) Continue to monitor.
Date:
10/10/22-16/10/22
Mortality:
1,379
Mortality Rate:
1.28%
Reason given: Gill Health / Plankton
Gill Health / Plankton
Site inspected 05/10/22 and diagnostic samples taken. AGD and CGD identified. >90% reduction in reported mortalities from previous week.
Date:
17/10/22-23/10/22
Mortality:
3,806
Mortality Rate:
3.57%
Reason given: Gill Health / Plankton
Gill Health / Plankton
Site inspected 05/10/22 and diagnostic samples taken. AGD and CGD identified.
Date:
31/10/22-06/11/22
Mortality:
7,144
Mortality Rate:
6.98%
Reason given: Gill Health Treatment
Gill Health Treatment
Paramove 50 treatment
Site inspected 05/10/2020 and diagnostic sampled taken. AGD and CGD identified. Paramove 50 treatments ongoing. FHI to monitor.
Date:
07/11/22-13/11/22
Mortality:
1,085
Mortality Rate:
1.14%
Reason given: Gill Health
Gill Health
Site inspected 05/10/2020 and diagnostic sampled taken. AGD and CGD identified. Mortality levels down on previous weeks figures.

Source

Inspection reports

Case Number: 2022-0115


Download Wildcaught wrasse caught around Uist and Skye stocked at 2%. Mortality since input in September/October 2021 <1%.
Sealice levels have been low since input. Paramove treatments completed in December 2021, January and February 2022.
Crop last cycle was harvested early due to persistant high sea lice burdens following consecutive treatments that failed to signfiicantly reduce the loads.
Gill scores have been low to moderate and fish are reported to be performing well.
Deadhaul harvests will be done for the site.
Fish were sitting deep in the water but appared to be in good condition and were responsive to feed.
Fish sampled for VMD appeared healthy externally and internally. [Original PDF]

Case Number: 2022-0469


Download Paperwork completed by 29/09/22, shadowed by . Disgnostic sampling F1-F5 by , supervised by .
Cleaner fish movement records kept seperately electronically. Copies received.
Vet visit 28/09/22 no report available yet.
Beginning of August first successful freshwater treatment. Second freshwater treatment attempted in the middle of August.
Fish did not handle the dewatering well for pumping onto the boat. Treatment was abandoned and not completed for the whole site. Peroxide tarp last week and this week. Peroxide treatment for AGD. [Original PDF]

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