Site Details: Sian Bay
Loch Eriboll, Port Chamuill, Laid
Lairg, Sutherland
IV27 4UE
Water type: Seawater
Cumulative mortality over full production cycle
Production cycle end date: Nov 2019
Total losses: 13.4 %
Production cycle end date: Oct 2021
Total losses: 16.5 %
Production cycle end date: May 2023
Total losses: 45.2 %
Production cycle end date: Apr 2024
Total losses: 12.4 %
Fish Health Inspectorate mortality
25/04/22-01/05/22
9,403
2.40%
31/10/22-06/11/22
5,704
1.50%
07/11/22-13/11/22
12,648
3.50%
14/11/22-20/11/22
7,726
2.2%
21/11/22-27/11/22
14,225
4.10%
28/11/22-04/12/22
11,348
3.40%
05/12/22-11/12/22
6,554
2.00%
12/12/22-18/12/22
3,304
1.10%
17/04/23-23/04/23
7,141
2.5%
24/04/23-30/04/23
55,403
20.20%
01/05/23-07/05/23
13,636
8.80%
08/05/23-14/05/23
4,277
4.70%
15/05/23-21/05/23
2,653
3.50%
18/09/23-24/09/23
383
2.90%
02/10/23-08/10/23
153
1.2%
15/01/24-21/01/24
170
1.40%
11/03/24-17/03/24
94
1.10%
18/03/24-24/03/24
107
1.20%
Inspection reports
Case Number: 2021-0087
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increased mortality after input in 2018 was reported to FHI as well as mortality event in 2019 due to enviromental insult.
Movement of Lumpfish from out width GB onto site from Bantry at end of 2020. Health certificates inspected on site.
Visibility poor on day of site visit. Fish had been fed already in the morning so feeding response was quite poor. Unable to catch fish for VMD samples.
Remote inspection conducted by , Observed by [Original PDF]
Case Number: 2022-0505
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Mortality events:
9th August 2021 - 1.5% (2,611)
16th August 21 - 1.9% (3,215)
23rd August 21 - 2.8% (5,484)
30th Aug 21 - 1.8% (2,706)
4th Oct 21 - 3.2% (339)
25th Apr 22 - 2.4% (9,403)
All attributed to gill health and viral disease
Aquagen stock. Site manager has reported good growth rates and reports that fish are performing well.
Peroxide treatment completed in wk40 to promote gill health.
A seal was observed by site staff in pen 7 on 26/09. Reported to have entered the net over the handrail and was directed out over a lowered side net. Net has been checked with cameras and ROV and site manager has confirmed no holes have been discovered. The site was satisfactory with regards to containment on the day of inspection.
Fish came on from Barcaldine smolt unit.
Internal biologist visits the site every quarter. Last report from Q3 details AGD as the main cause of morbidity on the site.
Fish will be split down between Sian Bay and Kempie Bay end of November. Live haul harvests.
Lumpfish are due to arrive on the site in November 22 from Otterferry. No cleanerfish were stocked at the time of inspection.
Fish were sitting deep in the water so were difficult to observe. Fish that were captured in the box net were inspected and appeared in good physical health. 2 runt mortalities observed across the site. Fish sampled for VMD appeared healthy externally and internally and demonstrated a strong feeding response. [Original PDF]