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The Salmon Ledger
NOEN

Skjortneset II

Site 37797 · Fjord municipality · Production area 5, Stadt til Hustadvika

Below the lice limit, week 39Operated by Hofseth Sea Farming AS · group unknown
Follow this farmDownload CSV
0.07Adult 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 25 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
2Lice treatments in 2026Latest: Freshwater treatment, week 37, 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
11Wellboat visits in 2026by 4 different vessels · latest 10 Sep 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026
1Escapes reported1 rainbow trout, July 2021Since 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
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
150.000.5Below the limit
160.000.2Below the limit
170.000.2Below the limit
180.000.2Below the limit
190.000.2Below the limit
200.000.2Below the limit
210.000.2Below the limit
220.000.5Below the limit
230.000.5Below the limit
240.030.5Below the limit
250.050.5Below the limit
260.080.5Below the limit
270.040.5Below the limit
280.040.5Below the limit
290.030.5Below the limit
300.050.5Below the limit
310.070.5Below the limit
320.220.5Below the limit
330.020.5Below the limit
340.030.5Below the limit
350.140.5Below the limit
360.320.5Below the limit
370.000.5Below the limit
380.000.5Below the limit
390.070.5Below the limit

Earlier years

20250 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, 2025
WeekAdult female lice per fishLice limitStatus
10.090.5Below the limit
20.110.5Below the limit
30.140.5Below the limit
40.170.5Below the limit
50.190.5Below the limit
60.080.5Below the limit
70.110.5Below the limit
80.250.5Below the limit
90.290.5Below the limit
100.070.5Below the limit
110.110.5Below the limit
120.040.5Below the limit
130.080.5Below the limit
140.090.5Below the limit
150.110.5Below the limit
160.140.2Below the limit
170.010.2Below the limit
180.040.2Below the limit
190.070.2Below the limit
200.100.2Below the limit
210.130.2Below the limit
220.130.5Below the limit
230.170.5Below the limit
240.260.5Below the limit
250.060.5Below the limit
260.030.5Below the limit
270.130.5Below the limit
280.220.5Below the limit
290.360.5Below the limit
300.170.5Below the limit
310.160.5Below the limit
320.180.5Below the limit
330.270.5Below the limit
340.420.5Near the limit
350.420.5Near the limit
360.160.5Below the limit
370.490.5Near the limit
380.150.5Below the limit
390.090.5Below the limit
400.080.5Below the limit
410.240.5Below the limit
420.360.5Below the limit
430.140.5Below the limit
440.030.5Below the limit
450.040.5Below the limit
460.180.5Below the limit
470.210.5Below the limit
480.230.5Below the limit
490.380.5Below the limit
500.020.5Below the limit
510.100.5Below the limit
520.220.5Below 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
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Adult female lice per fish per week, 2024
WeekAdult female lice per fishLice limitStatus
10.040.5Below the limit
20.310.5Below the limit
30.250.5Below the limit
40.000.5Below the limit
50.030.5Below the limit
60.000.5Below the limit
70.010.5Below the limit
80.020.5Below the limit
90.060.5Below the limit
100.060.5Below the limit
110.050.5Below the limit
120.100.5Below the limit
130.110.5Below the limit
140.160.5Below the limit
150.090.5Below the limit
160.050.2Below the limit
170.060.2Below the limit
180.090.2Below the limit
190.010.2Below the limit
200.010.2Below the limit
210.040.2Below the limit
220.120.5Below the limit
230.170.5Below the limit
240.230.5Below the limit
250.430.5Near the limit
260.220.5Below the limit
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
37unknown0.5Not reported
38unknown0.5Not reported
39unknown0.5Not reported
40unknown0.5Not reported
41unknown0.5Not reported
420.000.5Below the limit
430.000.5Below the limit
440.000.5Below the limit
450.000.5Below the limit
460.030.5Below the limit
470.260.5Below the limit
480.310.5Below the limit
490.310.5Below the limit
500.340.5Below the limit
510.460.5Near the limit
520.190.5Below 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
400.340.5Below the limit
410.490.5Near the limit
420.160.5Below the limit
430.220.5Below the limit
440.150.5Below the limit
450.400.5Near the limit
460.330.5Below the limit
470.130.5Below the limit
480.130.5Below the limit
490.170.5Below the limit
500.210.5Below the limit
510.040.5Below the limit
520.040.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 37, 2026
    Thermal delousing, Freshwater treatmentWhole site
  • Week 33, 2026
    Mechanical delousing2 pens
  • Week 49, 2025
    Freshwater treatment, Thermal delousing4 pens
  • Week 44, 2025
    Freshwater treatment, Thermal delousing8 pens
Show all 25
  • Week 43, 2025
    Thermal delousing5 pens
  • Week 39, 2025
    Freshwater treatment, Thermal delousing4 pens
  • Week 38, 2025
    Thermal delousing, Freshwater treatment10 pens
  • Week 36, 2025
    Thermal delousing2 pens
  • Week 35, 2025
    Thermal delousing5 pens
  • Week 30, 2025
    Thermal delousing, Freshwater treatment12 pens
  • Week 25, 2025
    Thermal delousing5 pens
  • Week 18, 2025
    Thermal delousing, Freshwater treatment10 pens
  • Week 17, 2025
    Thermal delousing, Freshwater treatment10 pens
  • Week 10, 2025
    Freshwater treatment, Thermal delousing8 pens
  • Week 5, 2025
    Freshwater treatment, Thermal delousing8 pens
  • Week 51, 2024
    Thermal delousing4 pens
  • Week 46, 2024
    Medicinal feedWhole site · Emamectin benzoat
  • Week 25, 2024
    Thermal delousing, Freshwater treatment2 pens
  • Week 16, 2024
    Thermal delousing5 pens
  • Week 3, 2024
    Freshwater treatment, Thermal delousing14 pens
  • Week 2, 2024
    Thermal delousing, Freshwater treatment4 pens
  • Week 50, 2023
    Medicinal bathWhole site · Azamethiphos
  • Week 47, 2023
    Freshwater treatment, Thermal delousing12 pens
  • Week 46, 2023
    Thermal delousing, Freshwater treatmentWhole site
  • Week 41, 2023
    Thermal delousing, Freshwater treatmentWhole 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
  • 27 Jul 2021
    1 rainbow trout escapedCause: Ved lusetelling skjedde følgende: "På grunn av et lite hull i håven, har flere fisker komt seg ut av håven, 3 stk. havnet oppå sikrings not mens 1 fisk datt ned på dekk på båten og deretter på sjøen gjennom en åpning mellom dekk og rekkverk. De 3 andre fiskene vert sendt tilbake til merden" · recaptured 1 · Directorate of Fisheries

Wellboat visits

11 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
10 Sep 2026Ro FjellOpshaugvik Land3 h 25 min
09 Sep 2026Ro FjellOpshaugvik Land20 h 19 min
07 Sep 2026Ro FjellOpshaugvik Land17 h 24 min
06 Sep 2026Ro FjellOpshaugvik Land3 h 14 min
10 Aug 2026Ro SailorGudmundset20 h 31 min
10 Aug 2026Ro SailorGudmundset7 h 18 min
25 Jun 2026HavoernDysjaneset2 h 55 min
24 Jun 2026HavoernDysjaneset1 h 1 min
23 Jun 2026HavoernDysjaneset2 h 25 min
22 Jun 2026HavoernDysjaneset32 min
01 Apr 2026Ro SpiritSvanøya1 h 10 min
28 Dec 2025Havoernno other farm1 h 30 min
Show 52 older visits
ArrivalVesselPrevious farm (14 days)Duration
07 Dec 2025Ro FjellOpshaugvik Land13 h 38 min
21 Oct 2025Ro FjellVindsnes26 h 21 min
21 Sep 2025Ro VentureOpshaugvik Land41 h 18 min
19 Sep 2025Ro VentureOpshaugvik Land45 h 48 min
17 Sep 2025Ro VentureVindsnes32 h 6 min
31 Aug 2025Havoernno other farm38 min
30 Aug 2025Ro FjellGudmundset64 h 24 min
29 Jul 2025Ro FjellOpshaugvik Land18 h 14 min
28 Jul 2025Ro FjellOpshaugvik Land15 h 40 min
27 Jul 2025Ro FjellOpshaugvik Land21 h 32 min
26 Jul 2025Ro FjellOpshaugvik Land4 h 58 min
25 Jul 2025Ro FjellOpshaugvik Land16 h 20 min
24 Jul 2025Ro FjellOpshaugvik Land9 h 51 min
23 Jul 2025Ro FjellOpshaugvik Land4 h 5 min
21 Jul 2025Havoernno other farm5 h 8 min
19 Jul 2025Havoernno other farm31 min
16 Jun 2025Ro Fjellno other farm12 h 25 min
16 Jun 2025Ro Fjellno other farm11 h 39 min
10 May 2025HavoernBugane52 min
24 Apr 2025Ro VentureLangeråa19 h 39 min
23 Apr 2025Ro VentureLangeråa8 h 55 min
23 Apr 2025Ro VentureLangeråa2 h 4 min
22 Apr 2025Ro VentureLangeråa15 h 30 min
25 Mar 2025HavoernOveråneset13 h 31 min
19 Mar 2025HavoernOveråneset49 min
04 Mar 2025Ro FjellOpshaugvik Land11 h 26 min
03 Mar 2025Ro FjellOpshaugvik Land10 h 19 min
31 Jan 2025Ro VentureOpshaugvik Land10 h 45 min
30 Jan 2025Ro VentureOpshaugvik Land15 h 9 min
29 Jan 2025Ro VentureOpshaugvik Land2 h 46 min
06 Jan 2025HavoernVartdal55 min
22 Dec 2024HavoernOveråneset9 h 4 min
21 Dec 2024Ro FjellOveråneset17 h 59 min
25 Oct 2024Havoernno other farm2 h 9 min
24 Oct 2024Havoernno other farm6 h 42 min
23 Oct 2024Havoernno other farm7 h 20 min
14 Oct 2024Havoernno other farm2 h 11 min
14 Oct 2024Havoernno other farm1 h 20 min
14 Oct 2024LangsundHaneholmen1 h 7 min
07 Oct 2024HavoernVindsnes54 min
21 Jun 2024Ro VentureOpshaugvik Land7 h 11 min
21 Apr 2024Ro VentureSlettvika2 h 4 min
20 Apr 2024Ro VentureSlettvika11 h 28 min
20 Apr 2024Ro VentureSlettvika12 h 45 min
13 Feb 2024HavoernOveråneset2 h 49 min
19 Jan 2024Ro VentureOpshaugvik Land10 h 51 min
18 Jan 2024Ro VentureOpshaugvik Land10 h 3 min
17 Jan 2024Ro VentureOpshaugvik Land1 h 54 min
17 Jan 2024Ro VentureOpshaugvik Land11 h 45 min
16 Jan 2024Ro VentureOpshaugvik Land13 h 15 min
14 Jan 2024Ro VentureOpshaugvik Land33 h 51 min
13 Jan 2024Ro VentureVindsnes31 h 2 min

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

Who has reported

The companies that have submitted lice counts for this site, with the first and last week.

CompanyFromTo
Hofseth Aqua ASWeek 40, 2023Week 7, 2024
Hofseth Sea Farming ASWeek 8, 2024Week 39, 2026

Source: Norwegian Food Safety Authority (organisation number on each lice report)

Licences

Site MAB: 3,120 tonnes
LicenceTypeCapacityHolder
M A 0010Kommersiell / matfiskSalmon, Rainbow trout, Trout855 tHofseth Sea Farming AS
M A 0013Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tHofseth Sea Farming AS
M FD 0005Forskning / matfiskSalmon, Rainbow trout, Trout780 tHofseth Aqua AS
M FD 0006Forskning / matfiskSalmon, Rainbow trout, Trout780 tHofseth Aqua AS
M NL 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tHofseth Sea Farming AS
M NL 0004Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tHofseth Sea Farming AS
M ST 0002Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tHofseth Sea Farming AS
M VD 0006Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tHofseth Sea Farming AS

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