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The Salmon Ledger
NOEN

Vorterøyskagen

Site 45083 · Skjervøy municipality · Production area 11, Kvaløya til Loppa

Status unknown: not reported in week 39Operated by Lerøy Aurora Sjø AS
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unknownAdult female lice per fishNo count in week 39. Latest: 0.48 in week 31, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
0Weeks above the limit in 2026of 31 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
13Wellboat visits in 2026by 3 different vessels · latest 31 Jul 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
10.010.5Below the limit
20.020.5Below the limit
30.030.5Below the limit
40.010.5Below the limit
50.030.5Below the limit
60.020.5Below the limit
70.040.5Below the limit
80.030.5Below the limit
90.040.5Below the limit
100.040.5Below the limit
110.050.5Below the limit
120.030.5Below the limit
130.050.5Below the limit
140.050.5Below the limit
150.050.5Below the limit
160.060.5Below the limit
170.070.5Below the limit
180.080.5Below the limit
190.080.5Below the limit
200.090.5Below the limit
210.100.2Below the limit
220.110.2Below the limit
230.120.2Below the limit
240.100.2Below the limit
250.110.2Below the limit
260.180.2Near the limit
270.150.5Below the limit
280.240.5Below the limit
290.410.5Near the limit
300.450.5Near the limit
310.480.5Near the limit
32unknown0.5Reported without a count
33unknown0.5Reported without a count
34unknown0.5Not reported
35unknown0.5Not reported
36unknown0.5Not reported
37unknown0.5Not reported
38unknown0.5Not reported
39unknown0.5Not reported

Earlier years

20251 of 26 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
1unknown0.5Not reported
2unknown0.5Not reported
3unknown0.5Not reported
4unknown0.5Not reported
5unknown0.5Not reported
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
24unknown0.2Not reported
25unknown0.2Not reported
26unknown0.2Not reported
270.000.5Below the limit
280.000.5Below the limit
290.000.5Below the limit
300.010.5Below the limit
310.050.5Below the limit
320.150.5Below the limit
330.380.5Below the limit
340.100.5Below the limit
350.050.5Below the limit
360.060.5Below the limit
370.160.5Below the limit
380.400.5Near the limit
390.090.5Below the limit
400.090.5Below the limit
410.050.5Below the limit
420.080.5Below the limit
430.120.5Below the limit
440.210.5Below the limit
450.420.5Near the limit
460.810.5Above the limit
470.260.5Below the limit
480.180.5Below the limit
490.260.5Below the limit
500.220.5Below the limit
510.000.5Below the limit
520.020.5Below the limit
20240 of 37 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, 2024
WeekAdult female lice per fishLice limitStatus
10.290.5Below the limit
20.250.5Below the limit
30.270.5Below the limit
40.270.5Below the limit
50.280.5Below the limit
6unknown0.5Not reported
70.270.5Below the limit
80.310.5Below the limit
90.390.5Below the limit
100.420.5Near the limit
110.380.5Below the limit
120.380.5Below the limit
130.350.5Below the limit
140.400.5Below the limit
150.360.5Below the limit
160.360.5Below the limit
170.410.5Near the limit
180.400.5Near the limit
190.380.5Below the limit
200.110.5Below the limit
210.090.2Below the limit
220.080.2Below the limit
230.120.2Below the limit
240.170.2Near the limit
250.080.2Below the limit
260.080.2Below the limit
270.100.5Below the limit
280.080.5Below the limit
290.070.5Below the limit
300.060.5Below the limit
310.070.5Below the limit
320.100.5Below the limit
330.110.5Below the limit
340.080.5Below the limit
350.060.5Below the limit
360.110.5Below the limit
370.340.5Below the limit
380.480.5Near the limit
39unknown0.5Not reported
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
20230 of 4 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
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
490.120.5Below the limit
500.200.5Below the limit
510.220.5Below the limit
520.220.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 51, 2025
    Other treatment5 pens · Kombi - Ferskvann og Termisk
  • Week 50, 2025
    Other treatment2 pens · Kombi - Ferskvann og Termisk
  • Week 47, 2025
    Other treatment7 pens · Kombi - Termisk med Optiflush
  • Week 41, 2025
    Other treatment7 pens · Kombi - Termisk med Optiflush
Show all 10
  • Week 39, 2025
    Other treatment7 pens · Kombi - Termisk med Optiflush
  • Week 34, 2025
    Other treatment7 pens · Kombi - Termisk med Optiflush
  • Week 30, 2025
    Medicinal feedWhole site · Emamectin benzoat
  • Week 34, 2024
    Other treatment2 pens · Hydrolicer
  • Week 20, 2024
    Medicinal bath1 pen · Azamethiphos
  • Week 19, 2024
    Medicinal bath2 pens · Azamethiphos

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

13 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
31 Jul 2026ReisaSkjervøy3 h 5 min
28 Jul 2026ReisaSkjervøy2 h 8 min
27 Jul 2026ReisaSkjervøy3 h 58 min
26 Jul 2026ReisaBørøya2 h 49 min
18 Jul 2026ReisaFollesøy5 h 36 min
06 Jul 2026ReisaSkjervøy2 h 34 min
05 Jul 2026ReisaSkjervøy1 h 43 min
04 Jul 2026Ro SailorSkaret1 h 14 min
01 Jul 2026ReisaSkjervøy2 h 35 min
30 Jun 2026ReisaSkjervøy3 h 4 min
16 Jun 2026Ro SunriseSkjervøy2 h 9 min
16 Jun 2026Ro SunriseKokelv4 h 24 min
Show 31 older visits
ArrivalVesselPrevious farm (14 days)Duration
13 Jun 2026Ro SailorSjåneset2 h 38 min
19 Dec 2025Ro VentureGlimbukta39 min
16 Dec 2025Ro VentureGlimbukta20 h 29 min
11 Dec 2025Ro VentureGlimbukta26 h 2 min
20 Nov 2025Ro FortuneSkaret13 h 49 min
19 Nov 2025Ro FortuneSkaret21 h 21 min
11 Oct 2025Ro FortuneSkjervøy V26 h 6 min
11 Oct 2025Ro FortuneSkjervøy V2 h 25 min
26 Sep 2025Ro ArcticMjøsund Vest9 h 48 min
26 Sep 2025Ro ArcticMjøsund Vest16 h 41 min
19 Aug 2025Ro ArcticDale8 h 20 min
18 Aug 2025Ro ArcticDale12 h 37 min
04 Jul 2025Ro SailorSkjervøy2 h 17 min
03 Jul 2025ReisaDavatluft1 h 0 min
01 Jul 2025ReisaDavatluft58 min
28 Sep 2024Ro SpiritSkjervøy5 h 40 min
28 Sep 2024Ro SpiritBørfjord2 h 27 min
22 Aug 2024ReisaRakkenes22 h 17 min
21 Aug 2024Ro SailorSkaret3 h 26 min
18 Aug 2024ReisaSkjervøy2 h 48 min
17 Aug 2024ReisaSkjervøy4 h 55 min
16 Aug 2024ReisaSkjervøy3 h 18 min
11 Aug 2024ReisaSkaret2 h 46 min
11 Aug 2024ReisaSkjervøy4 h 5 min
24 Jun 2024OddoeyÅrøya2 h 54 min
23 Jun 2024OddoeyÅrøya7 h 25 min
27 May 2024OddoeyStrandmo18 h 49 min
16 May 2024Ro FortuneSkarvestein16 h 41 min
13 May 2024Ro FortuneKlubben3 h 52 min
11 May 2024ReisaSkjervøy2 h 35 min
10 May 2024ReisaSkjervøy3 h 11 min

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

Licences

Site MAB: 5,400 tonnes
LicenceTypeCapacityHolder
T K 0001Kommersiell / matfiskSalmon, Rainbow trout, Trout1,013 tLerøy Aurora Sjø AS
T K 0004Kommersiell / matfiskSalmon, Rainbow trout, Trout1,012 tLerøy Aurora Sjø AS
T K 0020Kommersiell / matfiskSalmon, Rainbow trout, Trout984 tLerøy Aurora Sjø AS
T K 0022Kommersiell / matfiskSalmon, Rainbow trout, Trout984 tLerøy Aurora Sjø AS
T K 0028Kommersiell / matfiskSalmon, Rainbow trout, Trout984 tLerøy Aurora Sjø AS
T KN 0016Undervisning / matfiskSalmon, Rainbow trout, Trout780 tTroms Fylkeskommune
T S 0019Visning / matfiskSalmon, Rainbow trout, Trout780 tLerøy Aurora AS
T T 0010Kommersiell / matfiskSalmon, Rainbow trout, Trout1,021 tLerøy Aurora Sjø AS

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