Site Details: Lyrawa Bay

Lyness
Hoy
Orkney
KW16 3NT
Operator: Cooke Aquaculture Scotland Ltd
Water type: Seawater

Salmon Scotland mortality

Source

Cumulative mortality over full production cycle

Lyrawa Bay Production cycle end date: Aug 2020
Total losses: 7 %

Source

Fish Health Inspectorate mortality

Date:
19/09/22-25/09/22
Mortality:
5,079
Mortality Rate:
1.98%
Reason given: Jellyfish/Gill Damage
Jellyfish/Gill Damage
First report this cycle. FHI to monitor.
Date:
26/09/22-02/10/22
Mortality:
3,705
Mortality Rate:
1.47%
Reason given: Jellyfish/Gill Damage
Jellyfish/Gill Damage
Mortality decreased from first report the previous week. FHI to monitor.
Date:
03/10/22-09/10/22
Mortality:
16,078
Mortality Rate:
6.50%
Reason given: Jellyfish/Gill Damage
Jellyfish/Gill Damage
Trying to contact business/site.
Date:
10/10/22-16/10/22
Mortality:
13,084
Mortality Rate:
5.95%
Reason given: Jellyfish/Gill Damage
Jellyfish/Gill Damage
Numbers decreasing from previous week, FHI to monitor.
Date:
17/10/22-23/10/22
Mortality:
1,630
Mortality Rate:
1.24%
Reason given: Jellyfish/Gill Damage
Jellyfish/Gill Damage
Numbers continue to decrease

Source

Inspection reports

Case Number: 2021-0054


Download Paperwork completed remotely by , shadowed by 18/06/21
Site inspection by and (supervised by ) 23/06/21
VMD sampling by
8 fish removed for VMD sampling, all appeared healthy and in very good condition. Flesh colour varied between different pens, which surprised the site manager.
No issues reported or observed on site, site is a nursery site for Chalmers Hope.
Site thermometer used due to issue with FHI thermometer display
It was reported that Chalmers Hope is going to be moved further from the shore to a slightly more exposed location this cycle.
No sea lice observed on any fish. [Original PDF]

Case Number: 2023-0253


Download Site was fallowed in Wk51 2022. Site was inspected to confirm and can now be made inactive at the request of the business.
Mortality events since last inspection and fallow:
Wk38 22: 5,079 (1.98%), Wk39: 6,553 (2.61%), Wk40: 24,622 (10.06%), Wk41: 13,084 (5.95), Wk42: 1,738 (1.32%)
Movement records collected. [Original PDF]

Source