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The Salmon Ledger
NOEN

Vengsøy

Site 35838 · Tromsø municipality · Production area 11, Kvaløya til Loppa

Below the lice limit, week 39Operated by Sjurelv Fiskeoppdrett AS · group unknown
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0.09Adult female lice per fishLimit 0.50 · below the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
0Weeks above the limit in 2026of 39 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
0Lice treatments in 2026None recorded2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
0Active disease casesNone recordedRegister since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026
10Wellboat visits in 2026by 4 different vessels · latest 27 Aug 2026Derived 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 21–26 and 0.5 for the rest of the year. Hatched weeks have no count and count neither as above nor below.

2026

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, 2026
WeekAdult female lice per fishLice limitStatus
10.090.5Below the limit
20.100.5Below the limit
30.100.5Below the limit
40.080.5Below the limit
50.160.5Below the limit
60.160.5Below the limit
70.090.5Below the limit
80.090.5Below the limit
90.100.5Below the limit
100.090.5Below the limit
110.080.5Below the limit
120.050.5Below the limit
130.070.5Below the limit
140.060.5Below the limit
150.050.5Below the limit
160.040.5Below the limit
170.040.5Below the limit
180.030.5Below the limit
190.020.5Below the limit
200.010.5Below the limit
210.010.2Below the limit
220.020.2Below the limit
230.030.2Below the limit
240.030.2Below the limit
250.050.2Below the limit
260.040.2Below the limit
270.060.5Below the limit
280.050.5Below the limit
290.000.5Below the limit
300.040.5Below the limit
310.050.5Below the limit
320.060.5Below the limit
330.090.5Below the limit
340.090.5Below the limit
350.080.5Below the limit
360.090.5Below the limit
370.080.5Below the limit
380.090.5Below the limit
390.090.5Below the limit

Earlier years

20250 of 32 weeks with a count above the limit
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, 2025
WeekAdult female lice per fishLice limitStatus
10.320.5Below the limit
20.330.5Below the limit
30.320.5Below the limit
40.280.5Below the limit
50.330.5Below the limit
60.290.5Below the limit
70.380.5Below the limit
80.370.5Below the limit
90.400.5Near the limit
100.350.5Below the limit
110.470.5Near the limit
120.300.5Below the limit
130.350.5Below the limit
140.420.5Near the limit
150.410.5Near the limit
160.390.5Below the limit
17unknown0.5Not reported
18unknown0.5Not reported
19unknown0.5Not reported
20unknown0.5Not reported
21unknown0.2Not reported
22unknown0.2Not reported
23unknown0.2Not reported
24unknown0.2Not reported
25unknown0.2Not reported
26unknown0.2Not reported
27unknown0.5Not reported
28unknown0.5Not reported
29unknown0.5Not reported
30unknown0.5Not reported
31unknown0.5Not reported
32unknown0.5Not reported
33unknown0.5Not reported
34unknown0.5Not reported
35unknown0.5Not reported
36unknown0.5Not reported
370.000.5Below the limit
380.000.5Below the limit
390.000.5Below the limit
400.000.5Below the limit
410.000.5Below the limit
420.020.5Below the limit
430.010.5Below the limit
440.020.5Below the limit
450.050.5Below the limit
460.090.5Below the limit
470.080.5Below the limit
480.140.5Below the limit
490.120.5Below the limit
500.100.5Below the limit
510.090.5Below the limit
520.070.5Below the limit
20240 of 34 weeks with a count above the limit
Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026
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Adult female lice per fish per week, 2024
WeekAdult female lice per fishLice limitStatus
10.120.5Below the limit
20.190.5Below the limit
30.160.5Below the limit
40.160.5Below the limit
50.110.5Below the limit
6unknown0.5Not reported
7unknown0.5Not reported
8unknown0.5Not reported
9unknown0.5Not reported
10unknown0.5Not reported
11unknown0.5Not reported
12unknown0.5Not reported
13unknown0.5Not reported
14unknown0.5Not reported
15unknown0.5Not reported
16unknown0.5Not reported
17unknown0.5Not reported
18unknown0.5Not reported
19unknown0.5Not reported
20unknown0.5Not reported
21unknown0.2Not reported
22unknown0.2Not reported
23unknown0.2Not reported
240.000.2Below the limit
250.020.2Below the limit
260.010.2Below the limit
270.020.5Below the limit
280.060.5Below the limit
290.020.5Below the limit
300.020.5Below the limit
310.040.5Below the limit
320.070.5Below the limit
330.060.5Below the limit
340.160.5Below the limit
350.220.5Below the limit
360.360.5Below the limit
370.270.5Below the limit
380.100.5Below the limit
390.080.5Below the limit
400.240.5Below the limit
410.440.5Near the limit
420.410.5Near the limit
430.400.5Near the limit
440.450.5Near the limit
450.080.5Below the limit
460.090.5Below the limit
470.080.5Below the limit
480.100.5Below the limit
490.130.5Below the limit
500.120.5Below the limit
510.220.5Below the limit
520.330.5Below the limit
20230 of 16 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
370.180.5Below the limit
380.270.5Below the limit
390.280.5Below the limit
400.320.5Below the limit
410.400.5Near the limit
420.450.5Near the limit
430.300.5Below the limit
440.470.5Near the limit
450.410.5Near the limit
460.150.5Below the limit
470.100.5Below the limit
480.140.5Below the limit
490.130.5Below the limit
500.080.5Below the limit
510.060.5Below the limit
520.100.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 12, 2025
    Medicinal bathWhole site · Azamethiphos
  • Week 45, 2024
    Thermal delousingWhole site
  • Week 38, 2024
    Medicinal bath3 pens · Azamethiphos
  • Week 37, 2024
    Thermal delousing2 pens
Show all 5
  • Week 46, 2023
    Thermal delousingWhole site

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

10 visits in 2026

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
27 Aug 2026Ro SailorKraken2 h 22 min
17 Aug 2026Ro ArcticSkaret15 h 46 min
16 Aug 2026Ro ArcticHysjorda2 h 48 min
03 Aug 2026RobrisSkaret1 h 19 min
27 Jul 2026Ro SailorAlsvåg3 h 19 min
20 Jul 2026Ro SailorLarstangen1 h 0 min
06 Jul 2026Ro SailorVorterøyskagen2 h 35 min
05 May 2026Ro VentureHolmen2 h 38 min
05 May 2026Ro VentureHolmen11 h 5 min
04 May 2026Ro VentureHolmen11 h 10 min
13 Nov 2025Ro FortuneBlåmannsvik40 min
13 Nov 2025Ro FortuneBlåmannsvik50 min
Show 27 older visits
ArrivalVesselPrevious farm (14 days)Duration
07 Sep 2025DoennlandEnkeltstein3 h 56 min
06 Sep 2025DoennlandEnkeltstein2 h 42 min
26 Apr 2025Ro FortuneKlubben5 h 39 min
21 Apr 2025Ro SailorVærnes1 h 56 min
11 Apr 2025Ro VisionKlubben4 h 25 min
06 Apr 2025RohavKlokkardalen46 min
30 Mar 2025RohavSkjervøy1 h 39 min
04 Nov 2024Ro FortuneBarbogen16 h 33 min
21 Oct 2024Ro SailorKokelv3 h 11 min
17 Oct 2024Ro SailorStrandmo1 h 53 min
14 Oct 2024Ro SailorBrattberg3 h 20 min
14 Oct 2024Ro SailorKlubben2 h 5 min
07 Oct 2024Ro SailorUløybukt3 h 11 min
13 Sep 2024Ro SailorHagebergan1 h 22 min
11 Sep 2024Ro FortuneSessøya11 h 52 min
06 Sep 2024Ro SailorHolmen2 h 34 min
02 Sep 2024Ro SailorSkjervøy2 h 31 min
19 Jun 2024Ro FortuneRogndalen1 h 15 min
18 Jun 2024Ro FortuneRogndalen1 h 27 min
08 Jun 2024Ro FortuneRogndalen2 h 1 min
08 Jun 2024Ro FortuneRogndalen2 h 32 min
08 Jun 2024Ro FortuneRogndalen3 h 20 min
04 Feb 2024Ro MasterKlubben1 h 34 min
04 Feb 2024RosteinKlubben1 h 13 min
31 Jan 2024Ro MasterBrattberg1 h 7 min
15 Jan 2024Ro MasterSkaret2 h 46 min
07 Jan 2024Ro MasterSkaret3 h 43 min

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

Licences

Site MAB: 3,599 tonnes
LicenceTypeCapacityHolder
T T 0006Kommersiell / matfiskSalmon, Rainbow trout, Trout954 tSjurelv Fiskeoppdrett AS
T T 0060Kommersiell / matfiskSalmon, Rainbow trout, Trout954 tSjurelv Fiskeoppdrett AS
T T 0076Kommersiell / matfiskSalmon, Rainbow trout, Trout500 tSjurelv Fiskeoppdrett AS
TF T 0005Kommersiell / matfiskSalmon, Rainbow trout, Trout1,223 tSjurelv Fiskeoppdrett AS

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