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The Salmon Ledger
NOEN

Mælen

Site 12127 · Kvinnherad municipality · Production area 3, Karmøy til Sotra

Status unknown: not reported in week 39Operated by Fjelberg Fjordbruk AS · group unknown
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unknownAdult female lice per fishNo count in week 39. Latest: 0.15 in week 28, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
0Weeks above the limit in 2026of 28 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
1Lice treatments in 2026Latest: Medicinal bath, week 7, 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
37Wellboat visits in 2026by 3 different vessels · latest 21 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 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
10.080.5Below the limit
20.120.5Below the limit
30.160.5Below the limit
40.180.5Below the limit
50.200.5Below the limit
60.400.5Near the limit
70.150.5Below the limit
80.060.5Below the limit
90.070.5Below the limit
100.120.5Below the limit
110.090.5Below the limit
120.170.5Below the limit
130.080.5Below the limit
140.090.5Below the limit
150.070.5Below the limit
160.070.2Below the limit
170.090.2Below the limit
180.080.2Below the limit
190.160.2Below the limit
200.150.2Below the limit
210.090.2Below the limit
220.040.5Below the limit
230.090.5Below the limit
240.090.5Below the limit
250.160.5Below the limit
260.050.5Below the limit
270.150.5Below the limit
280.150.5Below the limit
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

20250 of 42 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
110.000.5Below the limit
120.000.5Below the limit
130.000.5Below the limit
140.000.5Below the limit
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
200.010.2Below the limit
210.070.2Below the limit
220.060.5Below the limit
230.060.5Below the limit
240.010.5Below the limit
250.010.5Below the limit
260.000.5Below the limit
270.010.5Below the limit
280.010.5Below the limit
290.000.5Below the limit
300.010.5Below the limit
310.040.5Below the limit
320.040.5Below the limit
330.030.5Below the limit
340.030.5Below the limit
350.020.5Below the limit
360.010.5Below the limit
370.000.5Below the limit
380.000.5Below the limit
390.000.5Below the limit
400.000.5Below the limit
410.000.5Below the limit
420.000.5Below the limit
430.000.5Below the limit
440.000.5Below the limit
450.000.5Below the limit
460.000.5Below the limit
470.000.5Below the limit
480.030.5Below the limit
490.000.5Below the limit
500.040.5Below the limit
510.030.5Below the limit
520.040.5Below the limit
20240 of 30 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
10.040.5Below the limit
20.010.5Below the limit
30.090.5Below the limit
40.070.5Below the limit
50.080.5Below the limit
60.080.5Below the limit
70.280.5Below the limit
80.190.5Below the limit
90.180.5Below the limit
100.200.5Below the limit
110.160.5Below the limit
120.280.5Below the limit
130.210.5Below the limit
140.130.5Below the limit
150.130.5Below the limit
160.160.2Below the limit
170.150.2Below the limit
180.150.2Below the limit
190.090.2Below the limit
200.060.2Below the limit
210.080.2Below the limit
220.230.5Below the limit
230.170.5Below the limit
240.250.5Below the limit
250.320.5Below the limit
260.380.5Below the limit
270.300.5Below the limit
280.330.5Below the limit
290.480.5Near the limit
300.450.5Near the limit
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
51unknown0.5Not reported
52unknown0.5Not reported
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
400.190.5Below the limit
410.040.5Below the limit
420.070.5Below the limit
430.030.5Below the limit
440.030.5Below the limit
450.050.5Below the limit
460.040.5Below the limit
470.100.5Below the limit
480.180.5Below the limit
490.170.5Below the limit
500.310.5Below the limit
510.060.5Below the limit
520.040.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 7, 2026
    Medicinal bathWhole site · Azamethiphos
  • Week 47, 2025
    Freshwater treatment1 pen
  • Week 46, 2025
    Freshwater treatment1 pen
  • Week 25, 2024
    Mechanical delousing2 pens
Show all 6
  • Week 51, 2023
    Medicinal bath, Thermal delousing, Freshwater treatment6 pens · Azamethiphos
  • Week 40, 2023
    Freshwater treatment2 pens

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

37 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
21 Jul 2026Kristoffer TrondsIhlholmen2 h 41 min
19 Jul 2026Kristoffer TrondsSunde2 h 6 min
11 Jul 2026NamsosSunde2 h 24 min
27 Jun 2026Kristoffer TrondsOterstegdalen2 h 59 min
22 Jun 2026Kristoffer TrondsSunde2 h 48 min
21 Jun 2026Kristoffer TrondsSunde2 h 4 min
21 Jun 2026Kristoffer TrondsNappeholmane3 h 48 min
06 Jun 2026NamsosSunde2 h 38 min
03 Jun 2026Namsosno other farm2 h 37 min
18 May 2026Kristoffer TrondsSunde2 h 27 min
16 May 2026Kristoffer TrondsSunde3 h 26 min
15 May 2026Kristoffer TrondsSunde2 h 2 min
Show 57 older visits
ArrivalVesselPrevious farm (14 days)Duration
15 May 2026Kristoffer TrondsSunde2 h 25 min
14 May 2026Kristoffer TrondsSunde3 h 5 min
13 May 2026Kristoffer TrondsSunde2 h 13 min
10 May 2026Kristoffer TrondsSeglberget4 h 28 min
01 May 2026Kristoffer TrondsSunde2 h 3 min
15 Feb 2026Kristoffer TrondsSunde1 h 13 min
15 Feb 2026Navoeyno other farm5 h 7 min
15 Feb 2026Kristoffer TrondsSunde4 h 17 min
14 Feb 2026Kristoffer TrondsSunde1 h 40 min
14 Feb 2026Kristoffer TrondsSunde5 h 27 min
14 Feb 2026Kristoffer TrondsSunde2 h 52 min
14 Feb 2026NavoeyTeigland I22 h 2 min
13 Feb 2026Kristoffer TrondsSunde5 h 22 min
13 Feb 2026NavoeyTeigland I14 h 40 min
13 Feb 2026Kristoffer TrondsSunde4 h 35 min
12 Feb 2026Kristoffer TrondsSunde3 h 5 min
12 Feb 2026Kristoffer TrondsSunde5 h 59 min
12 Feb 2026NavoeyTeigland I19 h 26 min
11 Feb 2026Kristoffer TrondsSunde7 h 11 min
11 Feb 2026Kristoffer TrondsSunde4 h 11 min
11 Feb 2026NavoeyTeigland I17 h 45 min
10 Feb 2026NavoeyTeigland I20 h 18 min
08 Feb 2026NavoeyTeigland I31 h 1 min
08 Feb 2026NavoeyTeigland I8 h 31 min
07 Feb 2026NavoeyTeigland I16 h 31 min
18 Nov 2025Kristoffer TrondsSunde4 h 22 min
17 Nov 2025Kristoffer TrondsSunde3 h 41 min
14 Nov 2025Kristoffer TrondsSunde18 h 56 min
13 Nov 2025Kristoffer TrondsSunde16 h 32 min
29 Oct 2025Kristoffer TrondsSunde3 h 15 min
16 Oct 2025Kristoffer TrondsPorsvika1 h 50 min
07 Jul 2025NavoeyHaugsnesvåg2 h 1 min
22 May 2025NavoeyHaugsnesvåg4 h 27 min
20 May 2025NavoeyHaugsnesvåg6 h 17 min
01 Apr 2025Kristoffer Trondsno other farm5 h 48 min
21 Jul 2024Kristoffer TrondsSunde3 h 48 min
20 Jul 2024Kristoffer TrondsNappeholmane4 h 36 min
14 Jul 2024Kristoffer TrondsSunde4 h 26 min
10 Jul 2024Kristoffer TrondsRossholmen N2 h 48 min
03 Jul 2024Kristoffer TrondsSeglberget3 h 41 min
02 Jun 2024Kristoffer TrondsEbne3 h 8 min
29 May 2024Norwegian GannetRongøy3 h 26 min
28 May 2024Kristoffer TrondsSunde4 h 0 min
26 May 2024Kristoffer TrondsSunde3 h 31 min
06 May 2024Kristoffer TrondsSunde1 h 40 min
25 Apr 2024Kristoffer TrondsRossholmen N4 h 1 min
24 Apr 2024Kristoffer TrondsRossholmen N2 h 13 min
21 Apr 2024NavoeyRossholmen N11 h 20 min
20 Apr 2024NavoeyRossholmen N12 h 52 min
19 Apr 2024NavoeyRossholmen N13 h 31 min
18 Apr 2024NavoeyRossholmen N12 h 46 min
01 Apr 2024Kristoffer TrondsSunde2 h 32 min
26 Mar 2024Kristoffer TrondsSunde2 h 54 min
24 Mar 2024Kristoffer TrondsSunde3 h 34 min
22 Mar 2024NavoeyHaugsnesvåg12 h 5 min
20 Mar 2024NavoeyHaugsnesvåg5 h 1 min
18 Mar 2024Kristoffer TrondsSunde4 h 14 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
Fjelberg Fjordbruk ASWeek 40, 2023Week 28, 2026
Nordsjø Fjordbruk ASWeek 45, 2025Week 20, 2026

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

Licences

Site MAB: 4,680 tonnes
LicenceTypeCapacityHolder
H B 0006Kommersiell / matfiskSalmon, Rainbow trout, Trout696 tNordsjø Fjordbruk AS
H B 0029Kommersiell / matfiskSalmon, Rainbow trout, Trout696 tNordsjø Fjordbruk AS
H E 0001Kommersiell / matfiskSalmon, Rainbow trout, Trout696 tNordsjø Fjordbruk AS
H K 0013Kommersiell / matfiskSalmon, Rainbow trout, Trout696 tFjelberg Fjordbruk AS
H K 0035Kommersiell / matfiskSalmon, Rainbow trout, Trout696 tFjelberg Fjordbruk AS
H T 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout696 tNordsjø Fjordbruk AS
H T 0006Kommersiell / matfiskSalmon, Rainbow trout, Trout696 tNordsjø Fjordbruk AS
H T 0016Kommersiell / matfiskSalmon, Rainbow trout, Trout696 tNordsjø Fjordbruk AS
H T 0020Kommersiell / matfiskSalmon, Rainbow trout, Trout695 tNordsjø Fjordbruk AS

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