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The Salmon Ledger
NOEN

Vedøya

Site 12678 · Namsos municipality · Production area 7, Nord-Trøndelag med Bindal

Status unknown: not reported in week 39Operated by Mowi Seawater Norway AS
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unknownAdult female lice per fishNo count in week 39. Latest: 0.13 in week 37, 2024Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
unknownWeeks above the limit in 2026No weeks with a count in 2026Calculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
unknownLice treatments in 2026No lice reports in 20262026 · Norwegian Food Safety Authority · updated 01 Oct 2026
0Active disease casesNone recordedRegister since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026
0Wellboat visits in 2026Latest visit 13 Sep 2024Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026
0Escapes reportedNone reportedSince 2006 · Directorate of Fisheries · updated 01 Oct 2026

Sea lice against the limit

Weekly average of adult female lice per fish, as reported by the company. For this site the limit is 0.2 in weeks 16–21 and 0.5 for the rest of the year. Hatched weeks have no count and count neither as above nor below.

2024

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026
Show as table
Adult female lice per fish per week, 2024
WeekAdult female lice per fishLice limitStatus
10.150.5Below the limit
20.190.5Below the limit
30.230.5Below the limit
40.320.5Below the limit
50.430.5Near the limit
60.440.5Near the limit
70.000.5Below the limit
80.130.5Below the limit
90.080.5Below the limit
100.050.5Below the limit
110.050.5Below the limit
120.050.5Below the limit
130.050.5Below the limit
140.050.5Below the limit
150.060.5Below the limit
160.080.2Below the limit
170.100.2Below the limit
180.180.2Near the limit
190.190.2Near the limit
200.180.2Near the limit
210.180.2Near the limit
220.320.5Below the limit
230.280.5Below the limit
240.220.5Below the limit
250.240.5Below the limit
260.310.5Below the limit
270.290.5Below the limit
280.700.5Above the limit
290.120.5Below the limit
300.400.5Near the limit
310.150.5Below the limit
320.100.5Below the limit
330.200.5Below the limit
340.180.5Below the limit
350.790.5Above the limit
360.880.5Above the limit
370.130.5Below the limit
38unknown0.5Reported without a count
39unknown0.5Reported without a count
40unknown0.5Not reported
41unknown0.5Not reported
42unknown0.5Not reported
43unknown0.5Not reported
44unknown0.5Not reported
45unknown0.5Not reported
46unknown0.5Not reported
47unknown0.5Not reported
48unknown0.5Not reported
49unknown0.5Not reported
50unknown0.5Not reported
51unknown0.5Not reported
52unknown0.5Not reported

Earlier years

20230 of 13 weeks with a count above the limit (data from week 40)
Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026
Show as table
Adult female lice per fish per week, 2023
WeekAdult female lice per fishLice limitStatus
400.150.5Below the limit
410.140.5Below the limit
420.260.5Below the limit
430.140.5Below the limit
440.130.5Below the limit
450.220.5Below the limit
460.190.5Below the limit
470.070.5Below the limit
480.130.5Below the limit
490.140.5Below the limit
500.150.5Below the limit
510.160.5Below the limit
520.180.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 37, 2024
    Mechanical delousingWhole site
  • Week 35, 2024
    Mechanical delousingWhole site
  • Week 33, 2024
    Thermal delousingWhole site
  • Week 31, 2024
    Mechanical delousingWhole site
Show all 16
  • Week 29, 2024
    Mechanical delousing2 pens
  • Week 27, 2024
    Mechanical delousing3 pens
  • Week 23, 2024
    Thermal delousing3 pens
  • Week 21, 2024
    Thermal delousing1 pen
  • Week 19, 2024
    Thermal delousing1 pen
  • Week 18, 2024
    Freshwater treatment1 pen
  • Week 7, 2024
    Medicinal bath2 pens · Imidakloprid
  • Week 6, 2024
    Medicinal bath4 pens · Imidakloprid
  • Week 52, 2023
    Mechanical delousing1 pen
  • Week 46, 2023
    Thermal delousing5 pens
  • Week 42, 2023
    Thermal delousing6 pens
  • Week 40, 2023
    Medicinal feed1 pen · Emamectin benzoat

Disease

Norwegian Food Safety Authority

No cases in the Food Safety Authority's register of notifiable diseases (since 26 Nov 2024).

Escapes

Directorate of Fisheries

No escapes reported from this site since 2006.

Wellboat visits

Visits are derived by us from the Coastal Administration's AIS positions: a fish carrier stationary within 500 metres of the farm for at least 30 minutes. The AIS archive lags about 17 days. A visit is not proof of infection.

ArrivalVesselPrevious farm (14 days)Duration
13 Sep 2024Ronja HeroyJakobsteinsvika4 h 29 min
12 Sep 2024Ronja HeroyJakobsteinsvika7 h 1 min
31 Aug 2024Ronja HeroyKjelneset11 h 48 min
13 Aug 2024Ro NorthGyltneset7 h 44 min
01 Aug 2024Ronja HeroyGyltneset13 h 7 min
17 Jul 2024Ronja HeroyFleina17 h 26 min
03 Jul 2024Ronja HeroyStorvika V32 h 53 min
03 Jul 2024Ro SpiritHestøy2 h 27 min
02 Jul 2024Ro NorthBrattholmen disease or zone there5 h 11 min
26 Jun 2024Ro SpiritHestøy3 h 44 min
24 Jun 2024Ro SpiritHestøy4 h 58 min
08 Jun 2024Ro NorthHestøy16 h 16 min
Show 10 older visits
ArrivalVesselPrevious farm (14 days)Duration
06 Jun 2024Ro NorthStorstrompan1 h 57 min
25 May 2024Ro NorthHamnsundet I13 h 3 min
10 May 2024Ro NorthHestøy10 h 45 min
05 May 2024Ro NorthHamnsundet I8 h 32 min
04 May 2024Ro NorthHamnsundet I1 h 39 min
11 Feb 2024Ro NorthHestøy20 h 58 min
10 Feb 2024Ro NorthHestøy19 h 46 min
09 Feb 2024Ro NorthHestøy13 h 43 min
08 Feb 2024Ro NorthHestøy1 h 37 min
07 Feb 2024Ro NorthHestøy15 h 32 min

Source: Norwegian Coastal Administration (AIS) · calculated by the Salmon Ledger · updated 01 Oct 2026

Licences

Site MAB: 3,120 tonnes
LicenceTypeCapacityHolder
NT F 0007Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tMowi Seawater Norway AS
NT F 0008Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tMowi Seawater Norway AS
NT FS 0001Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tMowi Seawater Norway AS
NT FS 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tMowi Seawater Norway AS
NT FS 0004Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tMowi Seawater Norway AS
NT FS 0005Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tMowi Seawater Norway AS
NT FS 0007Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tMowi Seawater Norway AS

Source: Directorate of Fisheries, aquaculture register · updated 01 Oct 2026