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The Salmon Ledger
NOEN

Nappeholmane

Site 10303 · Bømlo municipality · Production area 3, Karmøy til Sotra

Status unknown: not reported in week 39Operated by Nordsjø Fjordbruk AS · group unknown
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unknownAdult female lice per fishNo count in week 39. Latest: 2.77 in week 37, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
2Weeks above the limit in 2026of 37 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
6Lice treatments in 2026Latest: Mechanical delousing, week 32, 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
33Wellboat visits in 2026by 5 different vessels · latest 12 Sep 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
10.160.5Below the limit
20.240.5Below the limit
30.290.5Below the limit
40.360.5Below the limit
50.460.5Near the limit
60.360.5Below the limit
70.490.5Near the limit
80.490.5Near the limit
90.280.5Below the limit
100.230.5Below the limit
110.140.5Below the limit
120.230.5Below the limit
130.110.5Below the limit
140.140.5Below the limit
150.150.5Below the limit
160.160.2Below the limit
170.170.2Near the limit
180.070.2Below the limit
190.140.2Below the limit
200.120.2Below the limit
210.100.2Below the limit
220.130.5Below the limit
230.080.5Below the limit
240.360.5Below the limit
250.020.5Below the limit
260.050.5Below the limit
270.000.5Below the limit
280.060.5Below the limit
290.030.5Below the limit
300.230.5Below the limit
310.460.5Near the limit
320.030.5Below the limit
330.120.5Below the limit
340.150.5Below the limit
350.460.5Near the limit
361.000.5Above the limit
372.770.5Above the limit
38unknown0.5Not reported
39unknown0.5Not reported

Earlier years

20250 of 27 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
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
260.000.5Below the limit
270.000.5Below the limit
280.000.5Below the limit
290.000.5Below the limit
300.000.5Below the limit
310.000.5Below the limit
320.000.5Below the limit
330.000.5Below the limit
340.000.5Below the limit
350.000.5Below the limit
360.000.5Below the limit
370.000.5Below the limit
380.000.5Below the limit
390.010.5Below the limit
400.000.5Below the limit
410.010.5Below the limit
420.010.5Below the limit
430.000.5Below the limit
440.000.5Below the limit
450.000.5Below the limit
460.010.5Below the limit
470.000.5Below the limit
480.000.5Below the limit
490.020.5Below the limit
500.020.5Below the limit
510.100.5Below the limit
520.110.5Below the limit
20240 of 47 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
10.090.5Below the limit
20.100.5Below the limit
30.060.5Below the limit
40.100.5Below the limit
50.110.5Below the limit
60.260.5Below the limit
70.210.5Below the limit
80.160.5Below the limit
90.270.5Below the limit
100.130.5Below the limit
110.190.5Below the limit
120.210.5Below the limit
130.250.5Below the limit
140.270.5Below the limit
150.170.5Below the limit
160.180.2Near the limit
170.150.2Below the limit
180.160.2Below the limit
190.040.2Below the limit
200.020.2Below the limit
210.110.2Below the limit
220.170.5Below the limit
230.270.5Below the limit
240.080.5Below the limit
250.070.5Below the limit
260.200.5Below the limit
270.440.5Near the limit
280.320.5Below the limit
290.040.5Below the limit
300.050.5Below the limit
310.140.5Below the limit
320.240.5Below the limit
330.360.5Below the limit
340.140.5Below the limit
350.110.5Below the limit
360.310.5Below the limit
370.330.5Below the limit
380.490.5Near the limit
390.220.5Below the limit
400.240.5Below the limit
410.390.5Below the limit
420.280.5Below the limit
430.430.5Near the limit
440.350.5Below the limit
450.300.5Below the limit
460.450.5Near the limit
470.050.5Below the limit
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
400.000.5Below 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
480.050.5Below the limit
490.160.5Below the limit
500.100.5Below the limit
510.220.5Below the limit
520.080.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 32, 2026
    Mechanical delousingWhole site
  • Week 25, 2026
    Freshwater treatment, Thermal delousingWhole site
  • Week 19, 2026
    Thermal delousing1 pen
  • Week 18, 2026
    Thermal delousing2 pens
Show all 13
  • Week 9, 2026
    Medicinal bath3 pens · Azamethiphos
  • Week 8, 2026
    Medicinal bath2 pens · Azamethiphos
  • Week 39, 2024
    Mechanical delousing3 pens
  • Week 33, 2024
    Mechanical delousing4 pens
  • Week 29, 2024
    Freshwater treatment, Thermal delousingWhole site
  • Week 24, 2024
    Thermal delousingWhole site
  • Week 19, 2024
    Thermal delousing3 pens
  • Week 18, 2024
    Thermal delousing2 pens
  • Week 52, 2023
    Freshwater treatment, Thermal delousing5 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

33 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
12 Sep 2026RobasHelgøy1 h 47 min
10 Sep 2026RobasHesteneset3 h 6 min
30 Aug 2026RohavKastevika1 h 52 min
30 Aug 2026RohavKastevika2 h 13 min
29 Aug 2026NamsosØklandsvågen3 h 50 min
27 Aug 2026Kristoffer TrondsRossholmen N4 h 2 min
27 Aug 2026NamsosSunde2 h 31 min
06 Aug 2026NamsosSkaganeset24 h 10 min
05 Aug 2026NamsosSkaganeset16 h 2 min
05 Aug 2026NamsosSkaganeset5 h 35 min
04 Aug 2026NamsosSkaganeset17 h 39 min
03 Aug 2026NamsosEbne10 h 20 min
Show 79 older visits
ArrivalVesselPrevious farm (14 days)Duration
20 Jun 2026Kristoffer TrondsSunde5 h 39 min
19 Jun 2026Kristoffer TrondsSunde9 h 14 min
18 Jun 2026Kristoffer TrondsSunde9 h 53 min
17 Jun 2026Kristoffer TrondsSunde17 h 28 min
16 Jun 2026Kristoffer TrondsSunde14 h 59 min
04 May 2026Kristoffer TrondsSunde1 h 21 min
03 May 2026Kristoffer TrondsSunde8 h 33 min
02 May 2026Kristoffer TrondsSunde10 h 40 min
24 Feb 2026Kristoffer TrondsSunde1 h 50 min
23 Feb 2026Kristoffer TrondsSunde4 h 31 min
23 Feb 2026Kristoffer TrondsSunde1 h 59 min
23 Feb 2026NavoeyKlungervikneset36 h 23 min
21 Feb 2026NavoeyKlungervikneset30 h 16 min
21 Feb 2026NavoeyKlungervikneset5 h 9 min
20 Feb 2026NavoeyKlungervikneset4 h 54 min
20 Feb 2026Kristoffer TrondsKlungervikneset1 h 44 min
20 Feb 2026Kristoffer TrondsKlungervikneset4 h 26 min
20 Feb 2026NavoeyKlungervikneset10 h 49 min
19 Feb 2026Kristoffer TrondsKlungervikneset3 h 45 min
17 Feb 2026NavoeyKlungervikneset48 h 9 min
17 Feb 2026NavoeyKlungervikneset14 h 56 min
23 Dec 2025NavoeyKlungervikneset4 h 29 min
02 Dec 2025Kristoffer TrondsKlungervikneset4 h 58 min
01 Dec 2025Kristoffer TrondsSunde9 h 48 min
28 Nov 2025Kristoffer TrondsSagen 21 h 18 min
28 Nov 2025Kristoffer TrondsSagen 23 h 7 min
27 Nov 2025Navoeyno other farm54 min
27 Nov 2025Kristoffer TrondsSagen 28 h 19 min
27 Nov 2025Navoeyno other farm10 h 41 min
26 Nov 2025Kristoffer TrondsSunde17 h 9 min
26 Nov 2025Navoeyno other farm15 h 49 min
25 Nov 2025Navoeyno other farm3 h 35 min
25 Nov 2025Navoeyno other farm12 h 50 min
24 Nov 2025Navoeyno other farm11 h 34 min
23 Nov 2025Navoeyno other farm14 h 49 min
22 Nov 2025Navoeyno other farm5 h 29 min
02 Sep 2025Mowi StarSyrtangen1 h 5 min
25 Jun 2025SeifjellSeglberget1 h 34 min
26 Nov 2024Kristoffer TrondsSunde7 h 8 min
18 Nov 2024Kristoffer TrondsSunde5 h 44 min
07 Nov 2024Kristoffer TrondsHåøya Nø4 h 35 min
19 Oct 2024Kristoffer TrondsSunde3 h 48 min
14 Oct 2024Kristoffer TrondsRossholmen N3 h 1 min
12 Sep 2024Kristoffer TrondsSagen 21 h 18 min
12 Sep 2024Kristoffer TrondsSagen 25 h 59 min
23 Aug 2024Kristoffer TrondsRossholmen N2 h 47 min
17 Aug 2024NavoeyKlungervikneset9 h 35 min
16 Aug 2024NavoeyKlungervikneset12 h 1 min
15 Aug 2024NavoeyKlungervikneset17 h 22 min
14 Aug 2024NavoeyKlungervikneset18 h 26 min
13 Aug 2024NavoeyKlungervikneset8 h 38 min
12 Aug 2024NavoeyKlungervikneset6 h 54 min
11 Aug 2024NavoeyKlungervikneset8 h 11 min
10 Aug 2024NavoeyKlungervikneset1 h 25 min
19 Jul 2024Kristoffer TrondsSagen 214 h 23 min
18 Jul 2024Kristoffer TrondsSunde10 h 30 min
16 Jul 2024Kristoffer TrondsSunde9 h 10 min
14 Jun 2024Kristoffer TrondsKlungervikneset6 h 8 min
13 Jun 2024Kristoffer TrondsKlungervikneset19 h 0 min
12 Jun 2024Kristoffer TrondsKlungervikneset7 h 38 min
10 May 2024NavoeyKlungervikneset1 h 53 min
10 May 2024Kristoffer TrondsSunde6 h 30 min
10 May 2024NavoeyKlungervikneset4 h 27 min
09 May 2024NavoeyKlungervikneset10 h 24 min
08 May 2024NavoeyKlungervikneset9 h 0 min
08 May 2024Kristoffer TrondsSunde8 h 10 min
08 May 2024NavoeyKlungervikneset7 h 52 min
07 May 2024NavoeyKlungervikneset2 h 45 min
07 May 2024Kristoffer TrondsSunde6 h 23 min
07 May 2024NavoeyKlungervikneset4 h 41 min
07 May 2024NavoeyKlungervikneset3 h 51 min
06 May 2024NavoeyKlungervikneset7 h 52 min
05 May 2024NavoeyKlungervikneset14 h 48 min
04 May 2024Kristoffer TrondsIhlholmen14 h 57 min
04 May 2024NavoeyKlungervikneset12 h 45 min
03 May 2024NavoeyKlungervikneset18 h 54 min
02 May 2024NavoeyKlungervikneset17 h 58 min
01 May 2024NavoeyHaugsnesvåg5 h 0 min
16 Jan 2024NavoeyIhlholmen2 h 32 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
Nordsjø Fjordbruk ASWeek 40, 2023Week 37, 2026
Fjelberg Fjordbruk ASWeek 47, 2025Week 47, 2025

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

Licences

Site MAB: 2,340 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
R H 0007Visning / matfiskSalmon, Rainbow trout, Trout780 tRøvær Fjordbruk AS

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