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The Salmon Ledger
NOEN

Bukkholmen

Site 27976 · Alstahaug municipality · Production area 8, Helgeland til Bodø

Status unknown: not reported in week 39Operated by Mowi Seawater Norway AS · group Mowi
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unknownAdult female lice per fishNo count in week 39. Latest: 0.00 in week 36, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
0Weeks above the limit in 2026of 36 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
7Lice treatments in 2026Latest: Mechanical delousing, week 31, 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
22Wellboat visits in 2026by 5 different vessels · latest 30 Aug 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026
1Escapes reported1 salmon, June 2020Since 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 21–26 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
10.350.5Below the limit
20.490.5Near the limit
30.050.5Below the limit
40.040.5Below the limit
50.030.5Below the limit
60.080.5Below the limit
70.200.5Below the limit
80.340.5Below the limit
90.300.5Below the limit
100.370.5Below the limit
110.380.5Below the limit
120.230.5Below the limit
130.220.5Below the limit
140.290.5Below the limit
150.270.5Below the limit
160.440.5Near the limit
170.450.5Near the limit
180.050.5Below the limit
190.050.5Below the limit
200.040.5Below the limit
210.040.2Below the limit
220.100.2Below the limit
230.130.2Below the limit
240.080.2Below the limit
250.030.2Below the limit
260.180.2Near the limit
270.200.5Below the limit
280.370.5Below the limit
290.040.5Below the limit
300.290.5Below the limit
310.130.5Below the limit
320.140.5Below the limit
330.110.5Below the limit
340.340.5Below the limit
350.000.5Below the limit
360.000.5Below the limit
37unknown0.5Not reported
38unknown0.5Not reported
39unknown0.5Not reported

Earlier years

20250 of 6 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
16unknown0.5Not reported
17unknown0.5Not reported
18unknown0.5Not reported
19unknown0.5Not reported
20unknown0.5Not reported
21unknown0.2Not reported
22unknown0.2Not reported
23unknown0.2Not reported
24unknown0.2Not reported
25unknown0.2Not reported
26unknown0.2Not 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
470.030.5Below the limit
480.030.5Below the limit
490.060.5Below the limit
500.070.5Below the limit
510.090.5Below the limit
520.110.5Below the limit
20241 of 26 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
10.150.5Below the limit
20.210.5Below the limit
30.160.5Below the limit
40.270.5Below the limit
50.280.5Below the limit
60.300.5Below the limit
70.370.5Below the limit
80.380.5Below the limit
90.380.5Below the limit
100.400.5Near the limit
110.450.5Near the limit
120.360.5Below the limit
130.430.5Near the limit
140.320.5Below the limit
150.160.5Below the limit
160.250.5Below the limit
170.160.5Below the limit
180.220.5Below the limit
190.210.5Below the limit
200.000.5Below the limit
210.010.2Below the limit
220.080.2Below the limit
230.060.2Below the limit
240.080.2Below the limit
250.180.2Near the limit
260.350.2Above the limit
27unknown0.5Reported without a count
28unknown0.5Reported without a count
29unknown0.5Reported without a count
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
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
400.070.5Below the limit
410.160.5Below the limit
420.230.5Below the limit
430.350.5Below the limit
440.060.5Below the limit
450.100.5Below the limit
460.190.5Below the limit
470.280.5Below the limit
480.470.5Near the limit
490.070.5Below the limit
500.120.5Below the limit
510.090.5Below the limit
520.110.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 31, 2026
    Mechanical delousing4 pens
  • Week 28, 2026
    Mechanical delousingWhole site
  • Week 25, 2026
    Mechanical delousing1 pen
  • Week 24, 2026
    Mechanical delousing5 pens
Show all 14
  • Week 18, 2026
    Mechanical delousingWhole site
  • Week 12, 2026
    Mechanical delousing3 pens
  • Week 3, 2026
    Mechanical delousing3 pens
  • Week 20, 2024
    Mechanical delousing4 pens
  • Week 19, 2024
    Mechanical delousing3 pens
  • Week 14, 2024
    Medicinal bath4 pens · Azamethiphos
  • Week 12, 2024
    Medicinal bath1 pen · Azamethiphos
  • Week 11, 2024
    Medicinal bath2 pens · Azamethiphos
  • Week 49, 2023
    Thermal delousingWhole site
  • Week 44, 2023
    Thermal delousingWhole 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
  • 09 Jun 2020
    1 salmon escapedCause: For dårlig festet slange. Ikke tilstrekkelig størrelse på sikkerhetsnett mellom båt og merd. · recaptured 1 · Directorate of Fisheries

Wellboat visits

22 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
30 Aug 2026Ro NorthHestøy2 h 7 min
25 Aug 2026Froey VikingNaustholmen2 h 11 min
22 Aug 2026Ro NorthMarøya2 h 31 min
31 Jul 2026Ronja HeroyStorvika28 h 5 min
30 Jul 2026Ronja HeroyStorvika13 h 45 min
10 Jul 2026Steinar OlaisenNaustholmen23 h 41 min
10 Jul 2026Steinar OlaisenNaustholmen8 h 8 min
09 Jul 2026Steinar OlaisenNaustholmen22 h 12 min
15 Jun 2026Ronja BoroyBrattholmen10 h 25 min
15 Jun 2026Ronja BoroyBrattholmen1 h 29 min
13 Jun 2026Ronja BoroyBrattholmen9 h 35 min
13 Jun 2026Ronja BoroyBrattholmen3 h 55 min
Show 49 older visits
ArrivalVesselPrevious farm (14 days)Duration
11 Jun 2026Ronja BoroyBrattholmen29 h 26 min
29 Apr 2026Ronja HeroyStorstrompan8 h 16 min
29 Apr 2026Ronja HeroyStorstrompan2 h 32 min
28 Apr 2026Ronja HeroyStorstrompan19 h 50 min
27 Apr 2026Ronja HeroyStorstrompan13 h 21 min
19 Mar 2026Steinar OlaisenSkauholmen36 h 45 min
14 Jan 2026Ronja BoroyBrattholmen22 h 56 min
11 Jan 2026Ronja BoroyBrattholmen18 h 32 min
10 Jan 2026Ronja BoroyBrattholmen14 h 8 min
02 Jan 2026Ronja BoroyFleina5 h 33 min
17 Nov 2025Ronja HeroyBrattholmen5 h 44 min
17 Nov 2025Ronja HeroyBrattholmen4 h 19 min
16 Nov 2025Ronja HeroyBrattholmen3 h 17 min
16 Nov 2025Ronja HeroyBrattholmen3 h 8 min
14 Nov 2025Ronja HeroyFleina3 h 58 min
14 Nov 2025Ronja HeroyFleina2 h 5 min
21 Aug 2024Ro SpiritBrattholmen disease or zone there3 h 16 min
19 Aug 2024Ro SpiritBrattholmen disease or zone there2 h 4 min
17 Jul 2024Ro SpiritHestøy2 h 43 min
17 Jul 2024Ro SpiritHestøy2 h 53 min
15 Jul 2024Ro SpiritHestøy6 h 12 min
15 Jul 2024RobrisHestøy1 h 14 min
15 Jul 2024Ro SpiritHestøy3 h 32 min
11 Jul 2024Ro SpiritHestøy6 h 11 min
10 Jul 2024Ro SpiritHestøy6 h 14 min
09 Jul 2024Ro SpiritHestøy5 h 3 min
08 Jul 2024Ro SpiritHestøy4 h 49 min
07 Jul 2024Ro SpiritHestøy2 h 50 min
04 Jul 2024Ro SpiritHestøy4 h 47 min
16 May 2024Ronja HeroyHestvik29 h 40 min
14 May 2024Ronja HeroyHestvik30 h 28 min
12 May 2024Ronja HeroyHestvik4 h 20 min
10 May 2024Ronja HeroyHestvik34 h 18 min
06 Apr 2024Ro NorthKlubben1 h 20 min
06 Apr 2024Ro NorthKlubben1 h 23 min
05 Apr 2024Ro NorthKlubben3 h 30 min
05 Apr 2024Ro NorthKlubben2 h 59 min
04 Apr 2024Ro NorthKlubben3 h 43 min
04 Apr 2024Ro NorthKlubben1 h 41 min
04 Apr 2024Ro NorthKlubben3 h 13 min
03 Apr 2024Ro NorthKlubben2 h 55 min
03 Apr 2024Ro NorthKlubben5 h 29 min
18 Mar 2024Ro NorthHestøy1 h 19 min
17 Mar 2024Ro NorthHestøy5 h 20 min
17 Mar 2024Ro NorthHestøy4 h 23 min
16 Mar 2024Ro NorthHestøy1 h 22 min
16 Mar 2024Ro NorthHestøy4 h 8 min
16 Mar 2024Ro NorthHestøy4 h 40 min
15 Mar 2024Ro NorthHestøy8 h 7 min

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

Licences

Site MAB: 4,680 tonnes
LicenceTypeCapacityHolder
N HR 0002Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tMowi Seawater Norway AS
N HR 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tMowi Seawater Norway AS
N HR 0004Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tMowi Seawater Norway AS
N HR 0006Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tMowi Seawater Norway AS
N HR 0010Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tMowi Seawater Norway AS
N HR 0012Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tMowi Seawater Norway AS

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