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The Salmon Ledger
NOEN

Korsnes

Site 36797 · Karlsøy municipality · Production area 11, Kvaløya til Loppa

Below the lice limit, week 39Operated by Salmar Oppdrett AS
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0.03Adult 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 22 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
1Lice treatments in 2026Latest: Medicinal feed, week 29, 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
4Wellboat visits in 2026by 2 different vessels · latest 13 May 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026
1Escapes reported1 salmon, October 2025Since 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
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
180.000.5Below the limit
190.000.5Below the limit
200.000.5Below the limit
210.000.2Below the limit
220.000.2Below the limit
230.000.2Below the limit
240.000.2Below the limit
250.000.2Below the limit
260.000.2Below the limit
270.000.5Below the limit
280.000.5Below the limit
290.000.5Below the limit
300.000.5Below the limit
310.020.5Below the limit
320.010.5Below the limit
330.050.5Below the limit
340.080.5Below the limit
350.050.5Below the limit
360.020.5Below the limit
370.050.5Below the limit
380.030.5Below the limit
390.030.5Below the limit

Earlier years

20250 of 46 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
10.090.5Below the limit
20.130.5Below the limit
30.210.5Below the limit
40.130.5Below the limit
50.240.5Below the limit
60.240.5Below the limit
70.340.5Below the limit
80.470.5Near the limit
90.140.5Below the limit
100.130.5Below the limit
110.110.5Below the limit
120.140.5Below the limit
130.170.5Below the limit
140.170.5Below the limit
150.170.5Below the limit
160.210.5Below the limit
170.230.5Below the limit
180.200.5Below the limit
190.240.5Below the limit
200.210.5Below the limit
210.110.2Below the limit
220.100.2Below the limit
230.130.2Below the limit
240.150.2Below the limit
250.110.2Below the limit
260.070.2Below the limit
270.080.5Below the limit
280.150.5Below the limit
290.250.5Below the limit
300.170.5Below the limit
310.250.5Below the limit
320.120.5Below the limit
330.190.5Below the limit
340.460.5Near the limit
350.190.5Below the limit
360.060.5Below the limit
370.190.5Below the limit
380.310.5Below the limit
390.160.5Below the limit
400.190.5Below the limit
410.340.5Below the limit
420.420.5Near the limit
430.210.5Below the limit
440.160.5Below the limit
450.140.5Below the limit
460.300.5Below the limit
47unknown0.5Reported without a count
48unknown0.5Not reported
49unknown0.5Not reported
50unknown0.5Not reported
51unknown0.5Not reported
52unknown0.5Not reported
20242 of 35 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
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
180.000.5Below the limit
190.000.5Below the limit
200.000.5Below the limit
210.000.2Below the limit
220.000.2Below the limit
230.000.2Below the limit
240.000.2Below the limit
250.000.2Below the limit
260.000.2Below the limit
270.000.5Below the limit
280.000.5Below the limit
290.010.5Below the limit
300.000.5Below the limit
310.000.5Below the limit
320.010.5Below the limit
330.000.5Below the limit
340.030.5Below the limit
350.050.5Below the limit
360.050.5Below the limit
370.080.5Below the limit
380.200.5Below the limit
390.290.5Below the limit
400.030.5Below the limit
410.020.5Below the limit
420.020.5Below the limit
430.110.5Below the limit
440.170.5Below the limit
450.270.5Below the limit
460.470.5Near the limit
470.980.5Above the limit
481.140.5Above the limit
490.310.5Below the limit
500.250.5Below the limit
510.260.5Below the limit
520.200.5Below the limit
20230 of 2 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
400.400.5Near the limit
410.330.5Below the limit
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

Treatments

Norwegian Food Safety Authority
  • Week 29, 2026
    Medicinal feedWhole site · Emamectin benzoat
  • Week 43, 2025
    Mechanical delousing7 pens
  • Week 42, 2025
    Mechanical delousing1 pen
  • Week 41, 2025
    Mechanical delousing8 pens
Show all 18
  • Week 39, 2025
    Mechanical delousing2 pens
  • Week 38, 2025
    Mechanical delousing10 pens
  • Week 36, 2025
    Mechanical delousing2 pens
  • Week 35, 2025
    Mechanical delousing7 pens
  • Week 32, 2025
    Mechanical delousing5 pens
  • Week 31, 2025
    Mechanical delousing5 pens
  • Week 25, 2025
    Mechanical delousing2 pens
  • Week 21, 2025
    Mechanical delousing5 pens
  • Week 9, 2025
    Mechanical delousing8 pens
  • Week 8, 2025
    Mechanical delousing2 pens
  • Week 52, 2024
    Mechanical delousing2 pens
  • Week 49, 2024
    Mechanical delousing10 pens
  • Week 40, 2024
    Mechanical delousing11 pens
  • Week 29, 2024
    Medicinal feedWhole site · 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
  • 09 Oct 2025
    1 salmon escapedrecaptured 1 · Directorate of Fisheries

Wellboat visits

4 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
13 May 2026AasvaerfjordLangneset6 h 52 min
04 May 2026Ronja AuroraYtterflesa2 h 2 min
03 May 2026Aasvaerfjordno other farm3 h 25 min
28 Apr 2026Ronja AuroraYtterflesa7 h 50 min
06 Dec 2025Ro SunriseSkjervøy3 h 40 min
03 Dec 2025AasvaerfjordLubben4 h 42 min
18 Nov 2025Ro SailorSkaret1 h 23 min
16 Nov 2025Ro SenjaLarstangen2 h 57 min
14 Nov 2025Ro FortuneVengsøy3 h 10 min
14 Nov 2025Ro MasterÅrøya2 h 43 min
10 Nov 2025Froy OdinBrensholmen3 h 55 min
22 Oct 2025Ro SenjaKlubben24 h 3 min
Show 37 older visits
ArrivalVesselPrevious farm (14 days)Duration
21 Oct 2025Ro SenjaKlubben20 h 27 min
20 Oct 2025Ro SenjaKlubben5 h 55 min
24 Sep 2025Ro SenjaLarstangen2 h 50 min
22 Sep 2025Ro ArcticKaranes33 h 50 min
21 Sep 2025Ro ArcticKaranes16 h 17 min
20 Sep 2025Ro SenjaKlubben11 h 42 min
17 Sep 2025Ro SenjaKlubben65 h 1 min
01 Sep 2025Ro SenjaMollvika22 h 8 min
30 Aug 2025Ro SenjaMollvika43 h 21 min
28 Aug 2025Ro SenjaMollvika33 h 5 min
20 Aug 2025Ro ArcticVorterøyskagen3 h 33 min
18 Aug 2025Ro SenjaBrensholmen6 h 16 min
30 Jul 2025Froy OdinKlubben2 h 59 min
19 Jun 2025Ro SenjaLangneset7 h 6 min
19 Jun 2025Ro SenjaLangneset4 h 41 min
18 Jun 2025Ro SenjaLangneset8 h 20 min
24 May 2025Ro SenjaKlubben31 h 28 min
19 May 2025Ro SenjaFinnvik13 h 30 min
18 May 2025Ro SenjaFinnvik9 h 18 min
27 Feb 2025Ro SenjaGjerset V9 h 57 min
26 Feb 2025Ro SenjaGjerset V9 h 27 min
25 Feb 2025Ro SenjaGjerset V10 h 40 min
24 Feb 2025Ro SenjaGjerset V20 h 12 min
23 Feb 2025Ro SenjaGjerset V9 h 26 min
22 Feb 2025Ro SenjaGjerset V9 h 53 min
28 Dec 2024Ro SenjaFartøyvika7 h 32 min
27 Dec 2024Ro SenjaFartøyvika1 h 43 min
05 Dec 2024Ro FortuneSkinnstakkvika30 h 19 min
04 Dec 2024Ro FortuneSkinnstakkvika1 h 34 min
03 Dec 2024Ro FortuneSkinnstakkvika37 h 16 min
02 Dec 2024Ro FortuneSkinnstakkvika11 h 53 min
05 Oct 2024Ro ArcticSolheim22 h 45 min
04 Oct 2024Ro ArcticSolheim20 h 50 min
25 May 2024Ronja AuroraHåbranden7 h 47 min
16 May 2024Ronja VitaFinnvik5 h 6 min
11 May 2024Ronja AuroraFurneset2 h 37 min
02 May 2024Ronja VitaTrælvika2 h 1 min

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

Licences

Site MAB: 7,200 tonnes
LicenceTypeCapacityHolder
F A 0067Kommersiell / matfisk-grønn aSalmon, Rainbow trout, Trout984 tSalmar Oppdrett AS
F HV 0014Kommersiell / matfisk-grønn aSalmon, Rainbow trout, Trout984 tSalmar Oppdrett AS
F HV 0015Kommersiell / matfisk-grønn aSalmon, Rainbow trout, Trout984 tSalmar Oppdrett AS
F KD 0034Kommersiell / matfisk-grønn aSalmon, Rainbow trout, Trout984 tSalmar Oppdrett AS
F M 0043Kommersiell / matfisk-grønn aSalmon, Rainbow trout, Trout984 tSalmar Oppdrett AS
T K 0033Kommersiell / matfisk-grønn aSalmon, Rainbow trout, Trout984 tSalmar Oppdrett AS
T K 0036Kommersiell / matfisk-grønn aSalmon, Rainbow trout, Trout984 tSalmar Oppdrett AS
T K 0037Kommersiell / matfisk-grønn aSalmon, Rainbow trout, Trout984 tSalmar Oppdrett AS
T K 0038Kommersiell / matfiskSalmon, Rainbow trout, Trout306 tSalmar Oppdrett AS
T T 0078Kommersiell / matfiskSalmon, Rainbow trout, Trout796 tArctic Offshore Farming AS
T T 0079Kommersiell / matfiskSalmon, Rainbow trout, Trout796 tArctic Offshore Farming AS
T T 0080Kommersiell / matfiskSalmon, Rainbow trout, Trout796 tArctic Offshore Farming AS
T T 0081Kommersiell / matfiskSalmon, Rainbow trout, Trout796 tArctic Offshore Farming AS
T T 0082Kommersiell / matfiskSalmon, Rainbow trout, Trout796 tArctic Offshore Farming AS
T T 0083Kommersiell / matfiskSalmon, Rainbow trout, Trout796 tArctic Offshore Farming AS
T T 0084Kommersiell / matfiskSalmon, Rainbow trout, Trout796 tArctic Offshore Farming AS
T T 0085Kommersiell / matfiskSalmon, Rainbow trout, Trout540 tArctic Offshore Farming AS

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