Site Details: Inverpolly

Finfish Ltd
Inverpolly
Ross-shire
IV26 2YB
Operator: Finfish Ltd
Water type: Freshwater

Fish Health Inspectorate mortality

Date:
10/04/23-16/04/23
Mortality:
60,870
Mortality Rate:
1.95%
Reason given: Poor Performers - Runts
Poor Performers - Runts
Business correspondent contacted for further information. Fish will be transferred to freshwater lochs in week 27 and week 28. FHI to monitor. Update 25/04/2023: updated business name.
Date:
01/05/23-07/05/23
Mortality:
84,809
Mortality Rate:
2.87%
Reason given: RTFS
RTFS
Below the reporting threshold. FHI to monitor
Date:
08/05/23-14/05/23
Mortality:
217,641
Mortality Rate:
8.26%
Reason given: RTFS
RTFS
Date:
15/05/23-21/05/23
Mortality:
159,979
Mortality Rate:
6.05%
Reason given: RTFS
RTFS
Called for further information - treatment for RTFS coming to an end but as fish are so small many still not feeding as they have been compromised at such an early stage. This batch likely to be culled. FHI to monitor.
Date:
22/05/23-28/05/23
Mortality:
169,704
Mortality Rate:
7.53%
Reason given: RTFS
RTFS
Smaller fish culled
Health director called for more information. Problem has been ongoing and health team decided to cull smallest fish in the tanks that were not feeding, leaving the larger healthier fish. This has resolved the problem. All fish are now feeding and there is very little sign of the disease. FHI to monitor.
Date:
19/06/23-25/06/23
Mortality:
121,649
Mortality Rate:
6.23%
Reason given: Suspected parasitic challenge, water temperatures were too high to perform treatments (25oC)
Suspected parasitic challenge, water temperatures were too high to perform treatments (25oC)
Treatments are underway now, and mortality levels are dropping. Business contacted: this appears to be a Saprolegnia infection, high temperatures made treatment impossible. Treatments have since been conducted and business will provide an update on mortality after health meeting.
Business contacted for additional information. FHI to await further details. FHI to monitor.
Date:
25/03/24-31/03/24
Mortality:
118,217
Mortality Rate:
3.10%
Reason given: Poor performers
Poor performers
FHI visit scheduled. Update 24/04/2024: Only Q4 2024 fry population on site affected.
Date:
01/04/24-07/04/24
Mortality:
432,935
Mortality Rate:
11.73%
Reason given: RTFS
RTFS
FHI visit scheduled. Update 24/04/2024: Only Q4 2024 fry population on site affected.
Date:
08/04/24-14/04/24
Mortality:
384,366
Mortality Rate:
11.79%
Reason given: RTFS
RTFS
Florocol treatment completed on 13th April
FHI visit scheduled. Update 24/04/2024: Only Q4 2024 fry population on site affected.
Date:
15/04/24-21/04/24
Mortality:
384,366
Mortality Rate:
7.54%
Reason given: RTFS
RTFS
FHI joint visit with APHA 17/4/24 (case number 2024-0107). Diagnostic samples collected, results outstanding.

Source

Inspection reports

Case Number: 2021-0164


Download Remote inspection completed 26/05/2021 by , supervised by . Physical inspection completed 31/05/2021 by , supervised by
Since last inspection the site has moved away from producing a combination of organic and non-organic fish and is now rearing solely organic fish.
Site now owned by MOWI Scotland Ltd.
Recent issues: PCR positives for Costia and SGPV in the Q4 fish and Flavobacterium sp. in the Q2 fish. Not causing mortalities, with Aquacen formaldehyde and Bronopol treatments being carried out under veterinary advice.
Peaks in mortality: Wb 19/08/2019 site mortality 2.22% due to high temperature and spate conditions and PKD positive fish - reported to Marine Scotland on the 06/09/2019. Wb 17/08/2020 2.48% mortality in Q2 standard fish once again due to high temperature and spate conditions with fish PCR positive for PKD. Overall site mortality was 1.3%, therefore below reporting threshold.
Site thermometer used due to biosecurity measures.
No issues on site. Fish looked healthy. [Original PDF]

Case Number: 2022-0567


Download Site inspection and paper work conducted by , supervised by .
VMD feed mixing inspection conducted, no issues raised. [Original PDF]

Case Number: 2023-0478


Download Morts ensiled on site and moved off once a year. Ferguson to Barkip
2024 Q2 fish on site being moved to Arkaig this year. Were input as ova from Ireland- Kindrum. Next input Jan 2024 from
Kindrum.
Brood fish were in LLB but have now moved to Carnasserie for stripping. last treatment May 2023 -Aquasen - Formalin, Cress Bronapol.
22/5/23 - 22/5/23 Florfenical for RTFS. -1000 degree days. Medicine mixed on site.
Paperwork and sampling , Inspection and (supervised) [Original PDF]

Case Number: 2024-0107


Download Stock origin: Q4 2024- Kindrum Ireland, input as ova 12/01/2024. Q2 2025- Kindrum Ireland, input as ova 28/03/2024.
Site operates as a flow through system, fed from the River Polly.
Increased Mortality since wk 13 2024: Following report of increased mortality within the Q4 fish, received on 11/04/2024. Initial report for w/b 25/03/2024 noted poor performers in Q4 fish. Following samples being taken on 26/03/2024 and 28/03/2024, results returned on 02/04/2024 positive for Flavobacterium psychrophilum (RTFS). Under veterinary advice, site started treating for RTFS with florfenicol on 04/04/2024 (10 day prescription inspected; end date 13/04/2024; 500DD withdrawal).
Health report from 13/03/2024 was also inspected - showed that samples were taken from fry within the hatchery, to screen for
Flavobacterium, salmon gill pox virus, IPN, SAV, PRV, PMCV and Yersinia. This increased surveillance was conducted due to health challenges in previous cohorts.
Health sampling by business was conducted 15/04/2024 and confirmed salmon gill pox virus and Costia in Q4 fish, as a secondary infection. Treatment began in all tanks on 17/04/2024 with Aquacen formaldehyde and Pyceze/Bronopol under veterinary advice (200ppm and 400ppm respectively).
Mortalities occurred in all tanks similarly; A site inspection and diagnostic test was carried out on 17/04/2024, where 5 tanks were sampled (~60 fish removed). During site inspection, the I-J tanks with fish experiencing increased mortality were inspected and in all tanks, a few fish were seen with pale bodies and darker heads. Few mortalities were observed in the top hat of the tanks. In general, fish were observed to be swimming well and noted to be feeding better.
Site is currently planning to improve and stabilise the water input from environmental influences by installing new filters/disinfection equipment. Currently there is no filtration in I-J rows, except for in the hatchery. Plans to review and improve filtration on side currently being conducted, which includes installing 10micron mesh filters, and potentially disinfection. Works should commence in May 2024.
Site inspection was accompanied by APHA. [Original PDF]

Source