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The Salmon Ledger
NOEN

Hosenøyan

Site 33218 · Åfjord municipality · Production area 6, Nordmøre og Sør-Trøndelag

Below the lice limit, week 39Operated by Salmar Oppdrett AS · group SalMar
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0.39Adult 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
5Lice treatments in 2026Latest: Mechanical delousing, week 39, 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
10Wellboat visits in 2026by 3 different vessels · latest 11 Sep 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026
3Escapes reported4 salmon, May 2023Since 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.

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
10.050.5Below the limit
20.050.5Below the limit
30.060.5Below the limit
40.060.5Below the limit
50.060.5Below the limit
60.070.5Below the limit
70.070.5Below the limit
80.070.5Below the limit
90.080.5Below the limit
100.070.5Below the limit
110.070.5Below the limit
120.070.5Below the limit
130.080.5Below the limit
140.080.5Below the limit
150.100.5Below the limit
160.100.2Below the limit
170.100.2Below the limit
180.120.2Below the limit
190.100.2Below the limit
200.110.2Below the limit
210.110.2Below the limit
220.120.5Below the limit
230.140.5Below the limit
240.120.5Below the limit
250.130.5Below the limit
260.140.5Below the limit
270.140.5Below the limit
280.120.5Below the limit
290.100.5Below the limit
300.120.5Below the limit
310.150.5Below the limit
320.140.5Below the limit
330.230.5Below the limit
340.220.5Below the limit
350.160.5Below the limit
360.240.5Below the limit
370.230.5Below the limit
380.270.5Below the limit
390.390.5Below the limit

Earlier years

20250 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, 2025
WeekAdult female lice per fishLice limitStatus
10.210.5Below the limit
20.210.5Below the limit
30.250.5Below the limit
40.170.5Below the limit
50.230.5Below the limit
60.260.5Below the limit
70.300.5Below the limit
80.250.5Below the limit
90.430.5Near the limit
100.380.5Below the limit
110.380.5Below the limit
120.370.5Below the limit
130.480.5Near the limit
140.270.5Below the limit
150.400.5Near the limit
16unknown0.2Not reported
17unknown0.2Not reported
18unknown0.2Not reported
19unknown0.2Not reported
20unknown0.2Not reported
21unknown0.2Not reported
22unknown0.5Not reported
23unknown0.5Not reported
24unknown0.5Not reported
25unknown0.5Not reported
26unknown0.5Not reported
27unknown0.5Not reported
28unknown0.5Not reported
29unknown0.5Not reported
30unknown0.5Not reported
31unknown0.5Not reported
32unknown0.5Not reported
330.000.5Below the limit
340.000.5Below the limit
350.000.5Below the limit
360.000.5Below the limit
370.010.5Below the limit
380.010.5Below the limit
390.010.5Below the limit
400.010.5Below the limit
410.010.5Below the limit
420.010.5Below the limit
430.010.5Below the limit
440.020.5Below the limit
450.030.5Below the limit
460.030.5Below the limit
470.050.5Below the limit
480.040.5Below the limit
490.040.5Below the limit
500.050.5Below the limit
510.040.5Below the limit
520.040.5Below the limit
20243 of 52 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
10.060.5Below the limit
20.030.5Below the limit
30.050.5Below the limit
40.030.5Below the limit
50.050.5Below the limit
60.040.5Below the limit
70.030.5Below the limit
80.010.5Below the limit
90.050.5Below the limit
100.030.5Below the limit
110.020.5Below the limit
120.030.5Below the limit
130.050.5Below the limit
140.030.5Below the limit
150.060.5Below the limit
160.040.2Below the limit
170.020.2Below the limit
180.030.2Below the limit
190.050.2Below the limit
200.110.2Below the limit
210.130.2Below the limit
220.270.5Below the limit
230.230.5Below the limit
240.320.5Below the limit
250.210.5Below the limit
260.040.5Below the limit
270.050.5Below the limit
280.190.5Below the limit
290.230.5Below the limit
300.340.5Below the limit
310.430.5Near the limit
321.150.5Above the limit
331.600.5Above the limit
341.270.5Above the limit
350.480.5Near the limit
360.270.5Below the limit
370.340.5Below the limit
380.040.5Below the limit
390.120.5Below the limit
400.160.5Below the limit
410.310.5Below the limit
420.130.5Below the limit
430.220.5Below the limit
440.280.5Below the limit
450.450.5Near the limit
460.470.5Near the limit
470.220.5Below the limit
480.150.5Below the limit
490.260.5Below the limit
500.240.5Below the limit
510.210.5Below the limit
520.260.5Below the limit
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
400.020.5Below the limit
410.010.5Below the limit
420.050.5Below the limit
430.020.5Below the limit
440.020.5Below the limit
450.030.5Below the limit
460.100.5Below the limit
470.090.5Below the limit
480.060.5Below the limit
490.060.5Below the limit
500.080.5Below the limit
510.060.5Below the limit
520.020.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 39, 2026
    Mechanical delousing4 pens
  • Week 35, 2026
    Mechanical delousing3 pens
  • Week 32, 2026
    Mechanical delousing4 pens
  • Week 28, 2026
    Mechanical delousing3 pens
Show all 22
  • Week 24, 2026
    Mechanical delousing2 pens
  • Week 14, 2025
    Mechanical delousing3 pens
  • Week 47, 2024
    Mechanical delousing7 pens
  • Week 46, 2024
    Mechanical delousing1 pen
  • Week 45, 2024
    Mechanical delousing2 pens
  • Week 42, 2024
    Mechanical delousing8 pens
  • Week 38, 2024
    Other treatment7 pens · Skamik
  • Week 37, 2024
    Other treatment2 pens · Skamik
  • Week 36, 2024
    Other treatment5 pens · Skamik, FreshWell
  • Week 35, 2024
    Other treatment6 pens · Hydrolicer, Skamik, FreshWell, Wellfighter
  • Week 34, 2024
    Other treatment8 pens · Hydrolicer
  • Week 33, 2024
    Other treatment1 pen · Hydrolicer
  • Week 32, 2024
    Other treatment2 pens · FLS
  • Week 31, 2024
    Other treatment3 pens · FLS
  • Week 29, 2024
    Other treatment10 pens · Hydrolicer
  • Week 28, 2024
    Other treatment1 pen · Hydrolicer
  • Week 26, 2024
    Other treatment7 pens · Ferskvann/Hydrolicer
  • Week 25, 2024
    Other treatment3 pens · Ferskvann/Hydrolicer

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
  • 02 May 2023
    4 salmon escapedrecaptured 1 · Directorate of Fisheries
  • 06 Jun 2020
    1 salmon escapedCause: Bedøvd fisk sprellet slik at røkter mistet kontroll over fisken. Fisken fant en vei forbi sekundærsikringene og havnet i sjøen. · recaptured 1 · Directorate of Fisheries
  • 03 Sep 2018
    1 salmon escapedCause: Annet · recaptured 1 · Directorate of Fisheries

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
11 Sep 2026Froy OdinNordskag3 h 28 min
10 Sep 2026Froy OdinNordskag3 h 15 min
29 Aug 2026Ronja FollafossSmælingen4 h 3 min
27 Aug 2026Ronja FollafossSmælingen34 h 38 min
06 Aug 2026Ronja FollafossNordskag31 h 29 min
05 Aug 2026Ronja FollafossNordskag29 h 2 min
12 Jul 2026Froy OdinNordskag2 h 15 min
10 Jul 2026Froy OdinNordskag43 h 57 min
13 Jun 2026Ronja PrincessSeiskjæra4 h 40 min
12 Jun 2026Ronja PrincessSeiskjæra16 h 27 min
20 Aug 2025Ronja AuroraHallarvik disease or zone there1 h 9 min
19 Aug 2025Ronja AuroraHallarvik disease or zone there1 h 58 min
Show 38 older visits
ArrivalVesselPrevious farm (14 days)Duration
11 Aug 2025Ro SpiritSingsholmen1 h 25 min
25 Apr 2025Froy OdinNordskag2 h 24 min
23 Apr 2025Froy OdinNordskag1 h 49 min
22 Apr 2025Froy OdinNordskag2 h 41 min
13 Apr 2025AasvaerfjordNordskag1 h 26 min
13 Apr 2025AasvaerfjordNordskag1 h 44 min
06 Apr 2025Ronja PrincessNordskag1 h 34 min
05 Apr 2025Ronja PrincessSeiskjæra4 h 27 min
05 Apr 2025Ronja PrincessSeiskjæra7 h 14 min
04 Apr 2025Ronja PrincessSeiskjæra7 h 56 min
31 Mar 2025Ronja PrincessNordskag1 h 45 min
30 Mar 2025Ronja PrincessNordskag4 h 4 min
11 Jan 2025Froy OdinNordskag1 h 35 min
11 Jan 2025Froy OdinTernskjæret II2 h 0 min
18 Dec 2024Ro VisionNordskag1 h 30 min
17 Dec 2024Ro VisionNordskag4 h 31 min
14 Dec 2024Ronja PrincessKvitholmen disease or zone there1 h 37 min
14 Dec 2024Ro VisionNordskag2 h 53 min
13 Dec 2024Ronja PrincessKvitholmen disease or zone there2 h 39 min
13 Dec 2024Ro VisionNordskag3 h 57 min
08 Dec 2024Ronja PrincessNordskag2 h 5 min
10 Sep 2024Froy OdinFarmannsøya1 h 5 min
05 Sep 2024Ronja PrincessSingsholmen3 h 25 min
02 Sep 2024Ronja OceanHumulen22 h 32 min
01 Sep 2024Ronja OceanHumulen2 h 35 min
01 Sep 2024Ronja OceanHumulen9 h 25 min
31 Aug 2024Froy OdinNordskag1 h 39 min
31 Aug 2024Ronja OceanHumulen18 h 51 min
15 Jul 2024Ro VisionDryna disease or zone there4 h 35 min
14 Jul 2024Ro VisionDryna disease or zone there28 h 19 min
28 Jun 2024Froy OdinDryna disease or zone there22 h 54 min
26 Jun 2024Froy OdinDryna disease or zone there17 h 40 min
25 Jun 2024Froy OdinDryna disease or zone there3 h 53 min
24 Jun 2024Froy OdinDryna disease or zone there12 h 14 min
23 Jun 2024Froy OdinDryna disease or zone there13 h 37 min
22 Jun 2024Froy OdinDryna disease or zone there9 h 40 min
10 May 2024Ro SenjaFurneset4 h 7 min
08 May 2024Ro SenjaFurneset5 h 49 min

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

Licences

Site MAB: 6,240 tonnes
LicenceTypeCapacityHolder
M VS 0020Forskning / matfiskSalmon, Rainbow trout, Trout780 tBenchmark Genetics Norway AS
ST AA 0007Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
ST AA 0017Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
ST AA 0027Kommersiell / økologisk matfiskSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
ST AA 0028Kommersiell / økologisk matfiskSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
ST AA 0029Kommersiell / økologisk matfiskSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
ST AA 0033Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
ST AA 0034Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
ST F 0018Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
ST F 0019Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
ST F 0069Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
ST F 0070Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS
ST R 0023Forskning / matfiskSalmon2,340 tSintef Ocean AS
ST Ø 0001Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout788 tSalmar Oppdrett AS

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