Site Details: Inverkerry Smolt Unit

Inverkerry
Ross-shire
Ross-shire
IV21 2AL
Operator: Landcatch Natural Selection Ltd
Water type: Freshwater

Fish Health Inspectorate mortality

Date:
28/11/22-04/12/22
Mortality:
18,054
Mortality Rate:
2.97%
Reason given: Vaccination mortality and associated Saprolegnia infection
Vaccination mortality and associated Saprolegnia infection
Anti-fungal treatments administered to affected tanks
Historic data collected during site inspection
Date:
26/12/22-01/01/23
Mortality:
11,659
Mortality Rate:
2.00%
Reason given: Vaccination mortality and associated Saprolegnia infection
Vaccination mortality and associated Saprolegnia infection
Anti-fungal treatments administered to affected tanks
Historic data collected during site inspection
Date:
02/01/23-08/01/23
Mortality:
9,517
Mortality Rate:
1.67%
Reason given: Post-vaccination mortality and Saprolegnia infection
Post-vaccination mortality and Saprolegnia infection
Anti-fungal treatments administered to affected tanks
Historic data collected during site inspection
Date:
09/01/23-15/01/23
Mortality:
8,791
Mortality Rate:
1.57%
Reason given: Post-vaccination mortality and Saprolegnia infection
Post-vaccination mortality and Saprolegnia infection
Anti-fungal treatments administered to affected tanks
Historic data collected during site inspection
Date:
07/08/23-13/08/23
Mortality:
16,678
Mortality Rate:
2.73%
Reason given: Sudden increase in mortality approx 3-4 days after vaccination. Not sure of primary cause but an adverse reaction notification has been sent to the vaccine supplier and independent veterinary examination has been carried out - results pending. The mortality event appears to be continuing into Week 33.
Sudden increase in mortality approx 3-4 days after vaccination. Not sure of primary cause but an adverse reaction notification has been sent to the vaccine supplier and independent veterinary examination has been carried out - results pending. The mortality event appears to be continuing into Week 33.
Anti-fungal treatment programme ongoing.
FHI to monitor.
Date:
14/08/23-20/08/23
Mortality:
20,703
Mortality Rate:
1.60%
Reason given: Continuation of post-vaccination mortality & associated Saprolegnia infection.
Continuation of post-vaccination mortality & associated Saprolegnia infection.
Daily mortality peaked on Tuesday and has dropped quickly each day since.
Historic data collected during site inspection
Date:
18/09/23-24/09/23
Mortality:
28,558
Mortality Rate:
2.33%
Reason given: Rapid rise in mortalty mainly due to saprolegnia infection but also HSS-type symptoms, affecting stock in advanced state of smoltification.
Rapid rise in mortalty mainly due to saprolegnia infection but also HSS-type symptoms, affecting stock in advanced state of smoltification.
Site contacted. Fish were put to sea leaving 24/9/23 and arrived 26/9/23. Second output of 2023 S0 leaving today (27/9/23) destined for Invertote. No 2023 S0 remain on site. Other fish on site - 2024 S1 are not having the same mortalitiy issues.

Source

Inspection reports

Case Number: 2021-0102


Download Site under development - 24 8m tanks replacing 76 3m - still keeping 41 5 meter tanks. Completed by July/august 65 in total. all stock on site stofnfiskur origin - moved onto site from Ormsary.
Mortality (last 4 weeks) - Week 15 (3606 0.24%), Week 14 (1915 0.29%), Week 13 (2002 - 0.28%), Week 12 (3468 0.49%)
Mortality data submitted after inspection. Could not get a mortality report on site at time of inspection due to technical issues, daily mortality records for 2 weeks prior to inspection viewed, no sign of increased mortality.
Fish treated with formalin at weekend, early signs of saprolegnia. Stock treated with Slice before moving to sea sites. tanks E2 and G8 being exported to France. Some damage in both tanks noted on the pectoral fins, looks like a mixture of abrasion damage with some aggression. Fish looked healthy otherwise, no moribunds observed
Disinfection records inspected and all ok. [Original PDF]

Case Number: 2021-0564


Download Physical Inspection conducted by , shadowed by . No clinical signs of disease observed on site. Export certificate signed by . 5,500 SAL at 20g exported to Aquatech Group, Malta by Migdale Transport. [Original PDF]

Case Number: 2023-0476


Download Withdrawal for anaesthetic tricaine as vaccinated recently
Increased morts 13/8/23 2.73% 1 tank C2 vaccinations. 16678 - adverse vaccination reaction. outstanding issues following visit ; no weekly % for site back to 31/11/21, frequency mort removal documentaion no provided; results of samples from August not avalable; All information required supplied by emailed 13/11/23
Inverkerry Hatchery currently fallow. Stocking at end of month from Stofinfisker.
Fish at smolt unit vaccinated 16/10/23 till 27/10/23
Aquacen - formalin used at site post vaccine
Morts collected by Fergusons to Barkip or Inverness
Health report results; 18/8/23 = severe fungal infection compatible with Saprolegnia sp. on gills and skin. Glochidia sp - metazoan in all gill samples. 23/8/23 - mortality event derived from multiple factors- stress induced by increase temp and vaccination handling, background Glochidia sp. and saprolegniasis. 23/2/23- nephorocalcinosis and mild sphaerospora infection.
Paperwork and sampling Inspection and [Original PDF]

Source