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The Salmon Ledger
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Langskjæra

Site 20559 · Frøya municipality · Production area 6, Nordmøre og Sør-Trøndelag

Status unknown: not reported in week 39Operated by Lerøy Midt Sjø AS · group Lerøy Seafood Group

Broodstock site: the limit may differ from the general one.

Follow this farmDownload CSV
unknownAdult female lice per fishNo count in week 39. Latest: 0.47 in week 14, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
1Weeks above the limit in 2026of 14 weeks with a count · broodstock: limit may differCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
2Lice treatments in 2026Latest: Mechanical delousing, week 2, 20262026 · Norwegian Food Safety Authority · updated 01 Oct 2026
1Active disease casesPD, confirmed 27 Mar 2026Register since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026
18Wellboat visits in 2026by 2 different vessels · latest 14 Apr 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 16–21 and 0.5 for the rest of the year. Hatched weeks have no count and count neither as above nor below. Broodstock site: the limit may differ from the general one.

2026

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026Broodstock site: the limit may differ from the general one.
Show as table
Adult female lice per fish per week, 2026
WeekAdult female lice per fishLice limitStatus
11.080.5Above the limit
20.060.5Below the limit
30.100.5Below the limit
40.110.5Below the limit
50.070.5Below the limit
60.040.5Below the limit
70.040.5Below the limit
80.110.5Below the limit
90.160.5Below the limit
100.260.5Below the limit
110.300.5Below the limit
120.390.5Below the limit
130.470.5Near the limit
140.470.5Near the limit
15unknown0.5Not reported
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
33unknown0.5Not reported
34unknown0.5Not reported
35unknown0.5Not reported
36unknown0.5Not reported
37unknown0.5Not reported
38unknown0.5Not reported
39unknown0.5Not reported

Earlier years

20255 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 2026Broodstock site: the limit may differ from the general one.
Show as table
Adult female lice per fish per week, 2025
WeekAdult female lice per fishLice limitStatus
10.000.5Below the limit
20.000.5Below the limit
30.000.5Below the limit
40.000.5Below the limit
50.000.5Below the limit
60.000.5Below the limit
70.000.5Below the limit
80.000.5Below the limit
90.000.5Below the limit
100.000.5Below the limit
110.010.5Below the limit
120.000.5Below the limit
130.010.5Below the limit
140.030.5Below the limit
150.040.5Below the limit
160.040.2Below the limit
170.040.2Below the limit
180.050.2Below the limit
190.040.2Below the limit
200.040.2Below the limit
210.060.2Below the limit
220.090.5Below the limit
230.050.5Below the limit
240.080.5Below the limit
250.240.5Below the limit
260.210.5Below the limit
270.410.5Near the limit
280.190.5Below the limit
290.280.5Below the limit
300.280.5Below the limit
310.050.5Below the limit
320.030.5Below the limit
330.160.5Below the limit
340.230.5Below the limit
350.400.5Near the limit
360.190.5Below the limit
370.430.5Near the limit
380.540.5Above the limit
390.330.5Below the limit
400.400.5Near the limit
411.800.5Above the limit
422.550.5Above the limit
430.350.5Below the limit
440.480.5Near the limit
450.240.5Below the limit
460.330.5Below the limit
470.460.5Near the limit
480.260.5Below the limit
490.390.5Below the limit
500.490.5Near the limit
510.620.5Above the limit
521.660.5Above the limit
20242 of 10 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 2026Broodstock site: the limit may differ from the general one.
Show as table
Adult female lice per fish per week, 2024
WeekAdult female lice per fishLice limitStatus
10.230.5Below the limit
20.240.5Below the limit
30.460.5Near the limit
42.140.5Above the limit
52.200.5Above the limit
60.300.5Below the limit
70.050.5Below the limit
80.100.5Below the limit
9unknown0.5Not reported
10unknown0.5Not reported
11unknown0.5Not reported
12unknown0.5Not reported
13unknown0.5Not reported
14unknown0.5Not reported
15unknown0.5Not reported
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
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
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
510.000.5Below the limit
520.000.5Below 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 2026Broodstock site: the limit may differ from the general one.
Show as table
Adult female lice per fish per week, 2023
WeekAdult female lice per fishLice limitStatus
400.310.5Below the limit
410.080.5Below the limit
420.030.5Below the limit
430.050.5Below the limit
440.090.5Below the limit
450.130.5Below the limit
460.220.5Below the limit
470.320.5Below the limit
480.280.5Below the limit
490.130.5Below the limit
500.150.5Below the limit
510.170.5Below the limit
520.200.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 2, 2026
    Freshwater treatment, Mechanical delousing6 pens
  • Week 1, 2026
    Freshwater treatment, Mechanical delousing4 pens
  • Week 52, 2025
    Freshwater treatment, Mechanical delousing4 pens
  • Week 48, 2025
    Mechanical delousing6 pens
Show all 21
  • Week 47, 2025
    Mechanical delousing1 pen
  • Week 43, 2025
    Freshwater treatment, Mechanical delousing10 pens
  • Week 42, 2025
    Mechanical delousing, Freshwater treatment4 pens
  • Week 39, 2025
    Mechanical delousing10 pens
  • Week 36, 2025
    Mechanical delousing8 pens
  • Week 34, 2025
    Mechanical delousing8 pens
  • Week 31, 2025
    Mechanical delousing, Freshwater treatment12 pens
  • Week 30, 2025
    Freshwater treatment, Mechanical delousing4 pens
  • Week 28, 2025
    Mechanical delousing5 pens
  • Week 27, 2025
    Other treatment2 pens · Kombi - Ferskvann og Wellfighter
  • Week 6, 2024
    Mechanical delousing, Freshwater treatment4 pens
  • Week 49, 2023
    Mechanical delousing3 pens
  • Week 48, 2023
    Mechanical delousing3 pens
  • Week 46, 2023
    Mechanical delousing3 pens
  • Week 45, 2023
    Mechanical delousing1 pen
  • Week 41, 2023
    Freshwater treatment, Mechanical delousing8 pens
  • Week 40, 2023
    Freshwater treatment, Mechanical delousing2 pens

Disease

Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

No escapes reported from this site since 2006.

Wellboat visits

18 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
14 Apr 2026Kristiansundno other farm1 h 42 min
13 Apr 2026Kristiansundno other farm2 h 0 min
12 Apr 2026KristiansundBadstuvika1 h 55 min
08 Apr 2026KristiansundBadstuvika1 h 48 min
07 Apr 2026KristiansundBadstuvika1 h 53 min
06 Apr 2026KristiansundBadstuvika2 h 58 min
05 Apr 2026KristiansundBadstuvika2 h 30 min
31 Mar 2026KristiansundBadstuvika1 h 36 min
30 Mar 2026KristiansundBadstuvika1 h 36 min
25 Mar 2026KristiansundLangskjæra II disease or zone there1 h 51 min
24 Mar 2026KristiansundLangskjæra II disease or zone there2 h 41 min
17 Mar 2026KristiansundLangskjæra II1 h 49 min
Show 58 older visits
ArrivalVesselPrevious farm (14 days)Duration
16 Mar 2026KristiansundLangskjæra II12 h 26 min
15 Mar 2026KristiansundLangskjæra II3 h 32 min
12 Mar 2026KristiansundLangskjæra II3 h 33 min
06 Jan 2026Froy Hovdingno other farm36 h 7 min
04 Jan 2026Froy Hovdingno other farm33 h 53 min
02 Jan 2026Froy HovdingLangskjæra II49 h 16 min
26 Dec 2025KristiansundStorskogøya4 h 18 min
23 Dec 2025Froy HovdingLangskjæra II2 h 42 min
22 Dec 2025Froy HovdingLangskjæra II11 h 14 min
11 Dec 2025KristiansundSjølsvik6 h 0 min
18 Nov 2025Froey VikingSjølsvik3 h 52 min
24 Oct 2025Froy HovdingLangskjæra II14 h 1 min
22 Oct 2025Froy HovdingLangskjæra II24 h 5 min
22 Oct 2025Froy HovdingLangskjæra II1 h 9 min
20 Oct 2025Froy HovdingLangskjæra II24 h 21 min
20 Oct 2025Froy HovdingLangskjæra II53 min
29 Sep 2025TonnyElveneset disease or zone there1 h 42 min
24 Aug 2025Froy HovdingLangskjæra II2 h 37 min
23 Aug 2025Froy HovdingLangskjæra II14 h 21 min
21 Aug 2025Froy HovdingLangskjæra II28 h 39 min
31 Jul 2025Froy HovdingLangskjæra II4 h 56 min
30 Jul 2025Froy HovdingLangskjæra II14 h 15 min
29 Jul 2025Froy HovdingLangskjæra II10 h 51 min
28 Jul 2025Froy HovdingLangskjæra II12 h 39 min
27 Jul 2025Froy HovdingLangskjæra II11 h 23 min
26 Jul 2025Froy HovdingLangskjæra II12 h 58 min
11 Jul 2025TonnyNaustholmen1 h 4 min
06 Jul 2025Froy HovdingLangskjæra II10 h 2 min
06 Jul 2025Froy HovdingReitholmen1 h 1 min
05 Jul 2025Froy HovdingReitholmen17 h 12 min
28 Jan 2025NeptunOløya N9 h 29 min
24 Jan 2025NeptunOløya N1 h 56 min
19 Jan 2025Froey Vikingno other farm1 h 47 min
27 Dec 2024Froey VikingLangskjæra II1 h 30 min
22 Dec 2024Froey VikingLangskjæra II2 h 13 min
21 Dec 2024Froey VikingLangskjæra II3 h 40 min
21 Dec 2024NeptunOr9 h 51 min
20 Dec 2024Froey VikingLangskjæra II2 h 16 min
19 Dec 2024Froey VikingLangskjæra II1 h 46 min
18 Dec 2024Froey VikingLangskjæra II1 h 50 min
29 Feb 2024KristiansundSlåttholmen4 h 8 min
28 Feb 2024KristiansundSlåttholmen2 h 40 min
27 Feb 2024KristiansundSlåttholmen2 h 22 min
26 Feb 2024KristiansundSlåttholmen6 h 5 min
25 Feb 2024KristiansundSlåttholmen2 h 4 min
11 Feb 2024Froy Hovdingno other farm4 h 12 min
10 Feb 2024Froy HovdingLangskjæra II11 h 54 min
07 Feb 2024Froy HovdingLangskjæra II19 h 33 min
06 Feb 2024Froy HovdingLangskjæra II2 h 53 min
04 Feb 2024Froy HovdingLangskjæra II6 h 32 min
30 Jan 2024Froy HovdingLangskjæra II2 h 10 min
28 Jan 2024Froy HovdingLangskjæra II1 h 18 min
18 Jan 2024KristiansundLangskjæra II5 h 25 min
17 Jan 2024KristiansundLangskjæra II5 h 11 min
16 Jan 2024KristiansundLangskjæra II5 h 33 min
15 Jan 2024KristiansundLangskjæra II1 h 12 min
14 Jan 2024KristiansundLangskjæra II1 h 10 min
11 Jan 2024KristiansundLangskjæra II3 h 3 min

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

Licences

Site MAB: 5,460 tonnes
LicenceTypeCapacityHolder
ST F 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tLerøy Midt Sjø AS
ST F 0022Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tLerøy Midt Sjø AS
ST F 0071Kommersiell / stamfiskSalmon780 tLerøy Midt AS
ST H 0011Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tLerøy Midt Sjø AS
ST H 0012Kommersiell / matfiskSalmon, Rainbow trout, Trout805 tLerøy Midt Sjø AS
ST H 0015Kommersiell / matfiskSalmon, Rainbow trout, Trout805 tLerøy Midt Sjø AS
ST H 0045Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tLerøy Midt Sjø AS
ST SI 0012Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tLerøy Midt Sjø AS
ST SI 0013Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tLerøy Midt Sjø AS

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