Skip to content
The Salmon Ledger
NOEN

Oterstegdalen

Site 13345 · Bjørnafjorden municipality · Production area 3, Karmøy til Sotra

Below the lice limit, week 39Operated by AS Bolaks · group Bolaks

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

Follow this farmDownload CSV
0.36Adult female lice per fishLimit 0.50 · below the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
1Weeks above the limit in 2026of 39 weeks with a count · broodstock: limit may differCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
12Lice treatments in 2026Latest: Freshwater treatment, week 38, 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
20Wellboat visits in 2026by 3 different vessels · latest 12 Sep 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026
1Escapes reported6,911 salmon, January 2018Since 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
10.130.5Below the limit
20.190.5Below the limit
30.050.5Below the limit
40.010.5Below the limit
50.010.5Below the limit
60.060.5Below the limit
70.050.5Below the limit
80.060.5Below the limit
90.080.5Below the limit
100.160.5Below the limit
110.200.5Below the limit
120.490.5Near the limit
130.150.5Below the limit
140.150.5Below the limit
150.040.5Below the limit
160.160.2Below the limit
170.190.2Near the limit
180.190.2Near the limit
190.000.2Below the limit
200.050.2Below the limit
210.030.2Below the limit
220.040.5Below the limit
230.030.5Below the limit
240.160.5Below the limit
250.480.5Near the limit
260.070.5Below the limit
270.270.5Below the limit
280.210.5Below the limit
290.160.5Below the limit
300.360.5Below the limit
310.420.5Near the limit
320.240.5Below the limit
330.250.5Below the limit
340.120.5Below the limit
350.250.5Below the limit
360.460.5Near the limit
371.060.5Above the limit
380.350.5Below the limit
390.360.5Below the limit

Earlier years

20250 of 32 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
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
200.000.2Below the limit
210.060.2Below the limit
220.080.5Below the limit
230.060.5Below the limit
240.100.5Below the limit
250.120.5Below the limit
260.150.5Below the limit
270.070.5Below the limit
280.040.5Below the limit
290.040.5Below the limit
300.050.5Below the limit
310.440.5Near the limit
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
460.000.5Below the limit
470.010.5Below the limit
480.030.5Below the limit
490.130.5Below the limit
500.490.5Near the limit
510.290.5Below the limit
520.030.5Below the limit
20240 of 21 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
10.010.5Below the limit
20.020.5Below the limit
30.030.5Below the limit
40.060.5Below the limit
50.080.5Below the limit
60.030.5Below the limit
70.000.5Below the limit
80.020.5Below the limit
90.000.5Below the limit
100.010.5Below the limit
110.000.5Below the limit
120.010.5Below the limit
130.010.5Below the limit
140.050.5Below the limit
150.010.5Below the limit
160.020.2Below the limit
170.010.2Below the limit
180.010.2Below the limit
190.000.2Below the limit
200.100.2Below the limit
210.130.2Below the limit
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
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 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
400.090.5Below the limit
410.050.5Below the limit
420.070.5Below the limit
430.230.5Below the limit
440.330.5Below the limit
450.150.5Below the limit
460.100.5Below the limit
470.040.5Below the limit
480.090.5Below the limit
490.190.5Below the limit
500.080.5Below the limit
510.010.5Below the limit
520.000.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 38, 2026
    Mechanical delousing, Freshwater treatment2 pens
  • Week 37, 2026
    Freshwater treatment, Mechanical delousing4 pens
  • Week 32, 2026
    Mechanical delousing2 pens
  • Week 31, 2026
    Thermal delousing2 pens
Show all 16
  • Week 26, 2026
    Thermal delousingWhole site
  • Week 19, 2026
    Thermal delousing, Freshwater treatmentWhole site
  • Week 14, 2026
    Thermal delousing1 pen
  • Week 13, 2026
    Thermal delousing3 pens
  • Week 3, 2026
    Thermal delousing, Freshwater treatmentWhole site
  • Week 52, 2025
    Medicinal bath2 pens · Azamethiphos
  • Week 51, 2025
    Medicinal bath3 pens · Azamethiphos
  • Week 27, 2025
    Mechanical delousing, Freshwater treatment, Thermal delousingWhole site
  • Week 7, 2024
    Freshwater treatment, Thermal delousingWhole site
  • Week 51, 2023
    Freshwater treatment, Thermal delousing4 pens
  • Week 50, 2023
    Thermal delousing, Freshwater treatment6 pens
  • Week 45, 2023
    Freshwater treatment, Mechanical delousing, Thermal delousing9 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
  • 31 Jan 2018
    6,911 salmon escapedCause: Annet · recaptured 1 · Directorate of Fisheries

Wellboat visits

20 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 2026NamsosSunde33 min
12 Sep 2026NamsosSunde15 h 47 min
11 Sep 2026NamsosSunde11 h 46 min
10 Sep 2026NamsosSunde10 h 58 min
18 Aug 2026NamsosSkaganeset2 h 30 min
08 Aug 2026NamsosNappeholmane29 h 15 min
30 Jul 2026Kristoffer TrondsSunde10 h 0 min
29 Jul 2026Kristoffer TrondsSunde18 h 13 min
29 Jul 2026Kristoffer TrondsSunde57 min
25 Jun 2026Kristoffer TrondsSunde16 h 49 min
25 Jun 2026Kristoffer TrondsSunde9 h 47 min
24 Jun 2026Kristoffer TrondsSunde16 h 25 min
Show 34 older visits
ArrivalVesselPrevious farm (14 days)Duration
10 May 2026Ronja VestSunde7 h 19 min
08 May 2026Ronja VestSunde27 h 57 min
08 May 2026Ronja VestSunde10 h 37 min
07 May 2026Ronja VestSunde12 h 2 min
30 Mar 2026Ronja VestSkaganeset15 h 11 min
29 Mar 2026Ronja VestSkaganeset5 h 4 min
27 Mar 2026Ronja VestSkaganeset31 h 57 min
13 Jan 2026Ronja VestKalhag38 h 59 min
22 Dec 2025Ronja VestFusavika5 h 4 min
21 Dec 2025Ronja VestFusavika8 h 27 min
21 Dec 2025Ronja VestFusavika8 h 32 min
16 Aug 2025Norwegian GannetNordeimsøyna10 h 5 min
09 Aug 2025Ronja SuperiorDyrholmen2 h 24 min
06 Aug 2025Norwegian GannetHerøy6 h 19 min
04 Aug 2025Ro MasterKastevika3 h 56 min
31 Jul 2025Ro MasterLindarholmen disease or zone there1 h 49 min
06 Jul 2025Ronja VestJørstadskjera2 h 58 min
05 Jul 2025Ronja VestJørstadskjera11 h 42 min
04 Jul 2025Ronja VestJørstadskjera4 h 33 min
04 Jul 2025Ronja VestJørstadskjera4 h 27 min
03 Jul 2025Ronja VestJørstadskjera14 h 52 min
21 Mar 2025Ro Chiefno other farm58 min
07 Jun 2024Ronja VestSkavhella3 h 3 min
28 May 2024Ronja QueenØklandsvågen2 h 47 min
26 May 2024Ronja QueenHolevik5 h 19 min
18 Feb 2024Ronja VestØklandsvågen2 h 18 min
17 Feb 2024Ronja VestØklandsvågen4 h 25 min
17 Feb 2024Ronja VestØklandsvågen5 h 39 min
16 Feb 2024Ronja VestØklandsvågen2 h 46 min
16 Feb 2024Ronja VestØklandsvågen3 h 45 min
15 Feb 2024Ronja VestØklandsvågen4 h 19 min
14 Feb 2024Ronja VestØklandsvågen4 h 45 min
14 Feb 2024Ronja VestØklandsvågen2 h 35 min
13 Feb 2024Ronja VestØklandsvågen11 h 33 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
AS BolaksWeek 40, 2023Week 39, 2026
Bolaks Sjø ASWeek 50, 2023Week 31, 2025

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

Licences

Site MAB: 2,340 tonnes
LicenceTypeCapacityHolder
H FS 0001Kommersiell / matfiskSalmon, Rainbow trout, Trout689 tBolaks Sjø AS
H FS 0004Kommersiell / matfiskSalmon, Rainbow trout, Trout689 tBolaks Sjø AS
H FS 0006Kommersiell / matfiskSalmon, Rainbow trout, Trout750 tBolaks Sjø AS
H FS 0010Kommersiell / matfiskSalmon, Rainbow trout, Trout749 tBolaks Sjø AS
H FS 0014Kommersiell / matfiskSalmon, Rainbow trout, Trout703 tBolaks Sjø AS
H FS 0017Kommersiell / matfiskSalmon, Rainbow trout, Trout749 tBolaks Sjø AS
H FS 0026Kommersiell / stamfiskSalmon780 tAS Bolaks
H FS 0037Kommersiell / matfiskSalmon, Rainbow trout, Trout750 tBolaks Sjø AS
H FS 0040Kommersiell / stamfiskSalmon780 tAS Bolaks
H O 0012Kommersiell / matfiskSalmon, Rainbow trout, Trout689 tBolaks Sjø AS
H O 0013Kommersiell / matfiskSalmon, Rainbow trout, Trout689 tBolaks Sjø AS
H R 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout703 tBolaks Sjø AS

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