Site Details: Loch Spelve (B)

South Shian
Connel
Oban, Argyll
PA37 1SB
Operator: Scottish Sea Farms Ltd
Water type: Seawater

Average female lice per fish

Source

Salmon Scotland mortality

Source

Cumulative mortality over full production cycle

Production cycle end date: Oct 2018
Total losses: 14.5 %

Production cycle end date: Oct 2019
Total losses: 40.6 %

Production cycle end date: Oct 2021
Total losses: 32.8 %

Production cycle end date: Sep 2022
Total losses: 34.3 %

Source

Fish Health Inspectorate mortality

Date:
18/07/22-24/07/22
Mortality:
553
Mortality Rate:
2.6%
Reason given: Gill Health related
Gill Health related
CGD, aeration system in use
Seasonal mortalities, but low numbers stocked.

Date:
25/07/22-31/07/22
Mortality:
470
Mortality Rate:
2.20%
Reason given: Gill Health related
Gill Health related
CGD, aeration in use, FW treatment scheduled
FHI visit planned week 12/9/22. FHI to monitor Update 5/8/22; low number of fish on site as part of broodstock selection programme, planned fallow Q1 2023.

Date:
01/08/22-07/08/22
Mortality:
489
Mortality Rate:
2.4%
Reason given: Gill Health related
Gill Health related
CGD, aeration in use, FW treatment completed in wk 32
FHI visit planned week 12/9/22. FHI to monitor Update 5/8/22; low number of fish on site as part of broodstock selection programme, planned fallow Q1 2023. FHI to monitor.

Date:
08/08/22-14/08/22
Mortality:
739
Mortality Rate:
3.7%
Reason given: Gill Health related
Gill Health related
CGD, aeration in use, FW treatment completed
FHI visit planned week 12/9/22. FHI to monitor

Date:
15/08/22-21/08/22
Mortality:
575
Mortality Rate:
3.00%
Reason given: Gill Health related
Gill Health related
CGD, aeration in use, destocking through harvest
FHI visit planned week 12/9/22. FHI to monitor

Date:
22/08/22-28/08/22
Mortality:
1,125
Mortality Rate:
6.1%
Reason given: Gill Health related
Gill Health related
CGD, aeration in use, harvesting to fallow
Site due to be fallow by 06/09/2022

Date:
29/08/22-04/09/22
Mortality:
689
Mortality Rate:
4.00%
Reason given: Gill Health related
Gill Health related
CGD, aeration in use, harvesting to fallow
Site now fallow. Remaining fish were harvested not held as broodfish as was originally planned

Date:
05/09/22-11/09/22
Mortality:
290
Mortality Rate:
2.90%
Reason given: Gill Health Related
Gill Health Related
Site fallow in week 36
Site now fallow

Date:
17/06/24-23/06/24
Mortality:
22
Mortality Rate:
1.5%
Reason given: Sea Lice related
Sea Lice related
Post Physical delicing. Business contacted: Mortality count confirmed on 03/07/24. Small population being held intended for broodstock.
Business contact to confirm count. FHI to monitor.

Date:
29/07/24-04/08/24
Mortality:
340
Mortality Rate:
9.6%
Reason given: Gill health related
Gill health related
AGD; post FW wellboat treatment. Business previously contacted: Small population being held intended for broodstock.
FHI to monitor.

Date:
05/08/24-11/08/24
Mortality:
463
Mortality Rate:
14.6%
Reason given: Bacterial disease; Gill health related
Bacterial disease; Gill health related
Antibiotic in-feed treatment underway
Small number of fish remaining on site. FHI to monitor.

Date:
12/08/24-18/08/24
Mortality:
104
Mortality Rate:
3.8%
Reason given: Bacterial disease; Gill health related
Bacterial disease; Gill health related
Antibiotic in-feed treatment underway
Small number of fish remaining on site. FHI to monitor. (Start and End date corrected 6/9/24)

Date:
19/08/24-25/08/24
Mortality:
38
Mortality Rate:
1.5%
Reason given: Bacterial disease; Gill health related
Bacterial disease; Gill health related
Antibiotic in-feed treatment underway
Small number of fish remaining on site. FHI to monitor.

Source

Inspection reports

Case Number: 2020-0536


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Peroxide treatment on the 05/11/2020 for AGD. The treatment was successful and there was no mortality.
Sea lice issues during the last cycle. Compromised gills meant the fish could not be treated and sea lice numbers increased.
This led to the stock being removed early, however there has been improvments during this cycle. Site does not have access to slice
Stock on site looked healthy and VMD fish looked healthy when sampled.
Site thermometer used as inspectors failed.
Due to covid-19 physical inspection of the site took place on the 08/12/2020 and paper work was completed remotely on the
02/12/2020. [Original PDF]

Case Number: 2021-0132


Download
Site paperwork inspected remotely by on 12/05/2021. Physical inspection done by on 14/05/2021. During physical ins
Site inspection conducted due to a complaint from Scottish salmon watch. Whilst group were on site they filmed some moribund fish and fish with lesions that appear to be winter ulcers. The complaint was that a breach of the Animal Welfare Act
2006 had occurred.
WRS caught from wild. Caught in west coast of Scotland.
25/03 - 28/03 Paramove for AGD
28/04 - 30/04 Paramove for AGD
Lice levels low since start of cycle and two prophylactic treatments using azamethiphos (Salmosan)
Wk 9 mortality threshold exceeded to 1.29% 5,155 fish. Associated with a azamethiphos treatment combined with higher than average levels AGD and PGD.
Billy Bowie called onto site during peak in mortality to remove excess mortality that could not be incinerated. Fish disposed of at Barkip Biogas plant.
Ulcers first observed in end of March once fish were crowded for treatment
Some deformities observed by sites staff in February in stock, specifically a compressed head. Other deformities observed during site inspection including shortened snouts, shortened opercular, deformed fins and deformed spines.
Sub-population of runted fish developed, formed predominantly of deformed fish. Planned to bring runt fish off site using a grader on board a well boat that will visit on 17/05/2021. Fish taken off live and will be harvested. Larger fish will be left on site.
Two particular cages affected are 12 and 7. Worst cages will be graded first on Monday.
Divers on site on Friday before inspection (07/05/2021) asked to look for deformities during a routine net inspection.
Deformities were observed and communicated to site manager.
Deformities not observed by site staff in all cages.
Proactively been removing runts and moribund fish since April using a hand net.
Complex gill issues diagnosed by FVG on 10/03/2021. FVG called onto site following mortality event. AGD diagnosed by FVG via swabs.
AGD scores improving since mid-April
Fish on site positive for salmonid gill pox, branchiomonas cysticola, piscine reovirus and AGD. Histo results from 13/05/2021, from Pharmaq Analytiq Ltd. Also tested for CMS, HSMI, IPNv but not detected.
ADD was removed from the site after the a change in policy that required a license before using an ADD. Site in the process of
Feed called "Assist-Skin" (from Biomar) has been used on site since the observation of lesions at the end of March this reported
Thermolicer visits: 02/04/2021: cages 3 and 6 treated. 14/04/2021 - 16/04/2021 cages 1, 4, 7, 10, 11 and 12 treated.
During site inspection, 31 moribund fish were removed from the site using a hand net [Original PDF]

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