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The Salmon Ledger
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Site 15456 · Høyanger municipality · Production area 4, Nordhordland til Stadt

Status unknown: not reported in week 39Operated by Osland Seafood AS · group Osland

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

Follow this farmDownload CSV
unknownAdult female lice per fishNo count in week 39. Latest: 0.00 in week 31, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
0Weeks above the limit in 2026of 31 weeks with a count · broodstock: limit may differCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
10Lice treatments in 2026Latest: Thermal delousing, week 27, 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
19Wellboat visits in 2026by 8 different vessels · latest 14 Jun 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026
3Escapes reported1-10 rainbow trout, September 2024Since 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
10.250.5Below the limit
20.450.5Near the limit
30.060.5Below the limit
40.130.5Below the limit
50.270.5Below the limit
60.170.5Below the limit
70.110.5Below the limit
80.250.5Below the limit
90.230.5Below the limit
100.240.5Below the limit
110.280.5Below the limit
120.420.5Near the limit
130.020.5Below the limit
140.040.5Below the limit
150.030.5Below the limit
160.040.2Below the limit
170.090.2Below the limit
180.030.2Below the limit
190.190.2Near the limit
200.100.2Below the limit
210.050.2Below the limit
220.150.5Below the limit
230.450.5Near the limit
240.450.5Near the limit
250.400.5Near the limit
260.450.5Near the limit
270.100.5Below the limit
280.050.5Below the limit
290.000.5Below the limit
300.000.5Below the limit
310.000.5Below 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

Earlier years

20250 of 41 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
12unknown0.5Reported without a count
130.000.5Below the limit
140.000.5Below the limit
150.000.5Below the limit
160.000.2Below the limit
170.010.2Below the limit
180.010.2Below the limit
190.000.2Below the limit
200.010.2Below the limit
210.000.2Below the limit
220.100.5Below the limit
230.030.5Below the limit
240.010.5Below the limit
250.060.5Below the limit
260.070.5Below the limit
270.140.5Below the limit
280.170.5Below the limit
290.140.5Below the limit
300.190.5Below the limit
310.210.5Below the limit
320.460.5Near the limit
330.000.5Below the limit
340.030.5Below the limit
350.030.5Below the limit
360.040.5Below the limit
370.130.5Below the limit
380.260.5Below the limit
390.450.5Near the limit
400.330.5Below the limit
410.150.5Below the limit
420.300.5Below the limit
430.040.5Below the limit
440.340.5Below the limit
450.480.5Near the limit
460.030.5Below the limit
470.060.5Below the limit
480.190.5Below the limit
490.360.5Below the limit
500.010.5Below the limit
510.360.5Below the limit
520.190.5Below the limit
20240 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, 2024
WeekAdult female lice per fishLice limitStatus
10.440.5Near the limit
20.020.5Below the limit
30.060.5Below the limit
40.070.5Below the limit
50.170.5Below the limit
60.290.5Below the limit
70.090.5Below the limit
80.110.5Below the limit
90.160.5Below the limit
100.020.5Below the limit
110.040.5Below the limit
120.010.5Below the limit
130.020.5Below the limit
140.040.5Below the limit
150.050.5Below the limit
160.140.2Below the limit
170.060.2Below the limit
180.090.2Below the limit
190.180.2Near the limit
200.030.2Below the limit
210.110.2Below the limit
220.290.5Below the limit
230.260.5Below the limit
240.200.5Below the limit
250.130.5Below the limit
260.370.5Below the limit
270.430.5Near the limit
280.370.5Below the limit
290.430.5Near the limit
300.450.5Near the limit
310.350.5Below the limit
320.450.5Near the limit
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
400.200.5Below the limit
410.420.5Near the limit
420.010.5Below the limit
430.060.5Below the limit
440.240.5Below the limit
450.300.5Below the limit
460.020.5Below the limit
470.210.5Below the limit
480.340.5Below the limit
490.020.5Below the limit
500.080.5Below the limit
510.130.5Below the limit
520.110.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 27, 2026
    Thermal delousing1 pen
  • Week 24, 2026
    Thermal delousing1 pen
  • Week 20, 2026
    Thermal delousing1 pen
  • Week 19, 2026
    Thermal delousing2 pens
Show all 29
  • Week 13, 2026
    Thermal delousing3 pens
  • Week 12, 2026
    Thermal delousing3 pens
  • Week 6, 2026
    Thermal delousing1 pen
  • Week 5, 2026
    Thermal delousing2 pens
  • Week 3, 2026
    Thermal delousingWhole site
  • Week 51, 2025
    Thermal delousing2 pens
  • Week 50, 2025
    Thermal delousingWhole site
  • Week 46, 2025
    Thermal delousingWhole site
  • Week 42, 2025
    Thermal delousing2 pens
  • Week 41, 2025
    Thermal delousing2 pens
  • Week 40, 2025
    Thermal delousing1 pen
  • Week 33, 2025
    Thermal delousing3 pens
  • Week 32, 2025
    Thermal delousing1 pen
  • Week 28, 2024
    Thermal delousing1 pen
  • Week 23, 2024
    Thermal delousing1 pen
  • Week 20, 2024
    Thermal delousing4 pens
  • Week 14, 2024
    Thermal delousing2 pens
  • Week 10, 2024
    Thermal delousing3 pens
  • Week 7, 2024
    Thermal delousing5 pens
  • Week 2, 2024
    Thermal delousingWhole site
  • Week 49, 2023
    Thermal delousing7 pens
  • Week 46, 2023
    Thermal delousing4 pens
  • Week 45, 2023
    Thermal delousing3 pens
  • Week 43, 2023
    Thermal delousing3 pens
  • Week 42, 2023
    Thermal delousing3 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
  • 05 Sep 2024
    1-10 rainbow trout escapedCause: Usikker årsak enda. Nota er inspisert før tømming så hullet må ha oppstått etter at merden skulle bli tømt for fisk. · recaptured 1 · Directorate of Fisheries
  • 23 Oct 2020
    1,200 rainbow trout escapedCause: Pigghå har bitt fleire hull i not. · recaptured 1 · Directorate of Fisheries
  • 30 Nov 2018
    100 rainbow trout escapedCause: Annet · recaptured 1 · Directorate of Fisheries

Wellboat visits

19 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 Jun 2026Ro MasterInstefjord49 min
14 Jun 2026Ro MasterHesteneset2 h 48 min
07 Jun 2026RosteinInstefjord2 h 8 min
07 Jun 2026RosteinKastevika2 h 11 min
30 May 2026RosteinInstefjord2 h 45 min
24 May 2026RobasSkaganeset1 h 0 min
16 May 2026RosteinKastevika1 h 37 min
09 May 2026RobasInstefjord44 min
09 May 2026RobasHisdalen2 h 24 min
04 May 2026LangsundGuleskjeret4 h 44 min
12 Apr 2026RosteinLangevågen1 h 16 min
22 Mar 2026Ro FjellBjønnspjotneset10 h 24 min
Show 36 older visits
ArrivalVesselPrevious farm (14 days)Duration
21 Mar 2026RobrisInstefjord1 h 32 min
16 Feb 2026RohavHesteneset41 min
31 Jan 2026Ro ServerBjønnspjotneset5 h 31 min
30 Jan 2026RosteinBjønnspjotneset1 h 15 min
23 Jan 2026RosteinInstefjord5 h 27 min
08 Jan 2026RohavHesteneset1 h 32 min
04 Jan 2026RosteinInstefjord57 min
10 Dec 2025RobrisKastevika1 h 28 min
19 Nov 2025LangsundKastevika1 h 44 min
02 Apr 2025LangsundBleket38 min
02 Apr 2025Ro MasterHøyvika3 h 37 min
01 Apr 2025Ro MasterHøyvika2 h 43 min
07 Aug 2024LangsundMjølsvik9 h 26 min
03 Aug 2024RosteinOspeneset1 h 13 min
23 Jul 2024RosteinSandkvia2 h 0 min
28 Jun 2024RosteinNesevågen1 h 34 min
23 Jun 2024RosteinNesevågen1 h 38 min
08 Jun 2024Ro VentureBjønnspjotneset3 h 15 min
03 Jun 2024LangsundUrdaneset8 h 18 min
02 Jun 2024RosteinHesteneset2 h 12 min
02 Jun 2024RobrisRindarøy1 h 34 min
19 May 2024RosteinHesteneset1 h 11 min
15 May 2024Ro VentureBjønnspjotneset3 h 0 min
15 May 2024Ro VentureOslandsurda6 h 7 min
14 May 2024Ro VentureOslandsurda4 h 25 min
12 May 2024RosteinInstefjord1 h 7 min
27 Apr 2024RobrisInstefjord1 h 10 min
27 Apr 2024RobrisSkjervøy1 h 58 min
04 Apr 2024RobrisLindeneset1 h 33 min
03 Apr 2024Ro ServerBjønnspjotneset12 h 25 min
24 Mar 2024Ro ArcticPorsvika57 min
10 Mar 2024LangsundInstefjord53 min
10 Mar 2024LangsundSkaganeset1 h 25 min
05 Mar 2024Ro ServerKalvøya N15 h 1 min
15 Feb 2024Ro VentureKvernhusvika24 h 23 min
10 Jan 2024Ro ServerSørevik30 h 27 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
Osland Seafood ASWeek 40, 2023Week 31, 2026
Landøy Fiskeoppdrett ASWeek 12, 2024Week 22, 2025
Osland Genetics ASWeek 9, 2026Week 14, 2026

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

Licences

Site MAB: 2,340 tonnes
LicenceTypeCapacityHolder
R V 0023Kommersiell / stamfiskRainbow trout780 tOsland Genetics AS
R V 0027Kommersiell / stamfiskRainbow trout780 tOsland Genetics AS
SF HØ 0001Kommersiell / matfiskSalmon, Rainbow trout, Trout1,350 tOsland Seafood AS
SF HØ 0009Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tOsland Seafood AS
SF HØ 0018Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tOsland Seafood AS
SF HØ 0020Kommersiell / stamfiskRainbow trout780 tOsland Genetics AS
SF HØ 0024Kommersiell / stamfiskRainbow trout780 tOsland Genetics AS

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