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The Salmon Ledger
NOEN

Rongøy

Site 29276 · Øygarden municipality · Production area 4, Nordhordland til Stadt

Near the lice limit, week 39Operated by Lerøy Vest Sjø AS · group Lerøy Seafood Group
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0.47Adult female lice per fishLimit 0.50 · near the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
2Weeks above the limit in 2026of 38 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
10Lice treatments in 2026Latest: Thermal delousing, week 28, 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
23Wellboat visits in 2026by 2 different vessels · latest 06 Jul 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026
1Escapes reported1 salmon, July 2022Since 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
10.890.5Above the limit
20.510.5Above the limit
30.050.5Below the limit
4unknown0.5Reported without a count
50.080.5Below the limit
60.110.5Below the limit
70.130.5Below the limit
80.150.5Below the limit
90.230.5Below the limit
100.320.5Below the limit
110.480.5Near the limit
120.470.5Near the limit
130.420.5Near the limit
140.370.5Below the limit
150.170.5Below the limit
160.040.2Below the limit
170.070.2Below the limit
180.140.2Below the limit
190.090.2Below the limit
200.100.2Below the limit
210.140.2Below the limit
220.130.5Below the limit
230.200.5Below the limit
240.270.5Below the limit
250.410.5Near the limit
260.340.5Below the limit
270.140.5Below the limit
280.120.5Below the limit
290.170.5Below the limit
300.170.5Below the limit
310.200.5Below the limit
320.240.5Below the limit
330.240.5Below the limit
340.300.5Below the limit
350.380.5Below the limit
360.490.5Near the limit
370.440.5Near the limit
380.460.5Near the limit
390.470.5Near the limit

Earlier years

20253 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 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
190.010.2Below the limit
200.020.2Below the limit
210.020.2Below the limit
220.020.5Below the limit
230.020.5Below the limit
240.030.5Below the limit
250.020.5Below the limit
260.030.5Below the limit
270.050.5Below the limit
280.070.5Below the limit
290.110.5Below the limit
300.100.5Below the limit
31unknown0.5Not reported
320.110.5Below the limit
330.130.5Below the limit
340.140.5Below the limit
350.190.5Below the limit
360.260.5Below the limit
370.330.5Below the limit
380.400.5Near the limit
390.610.5Above the limit
400.790.5Above the limit
410.380.5Below the limit
420.010.5Below the limit
430.100.5Below the limit
440.130.5Below the limit
450.280.5Below the limit
460.630.5Above the limit
470.410.5Near the limit
480.080.5Below the limit
490.130.5Below the limit
500.250.5Below the limit
510.290.5Below the limit
520.490.5Near the limit
20241 of 44 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
10.180.5Below the limit
20.120.5Below the limit
30.070.5Below the limit
40.090.5Below the limit
50.140.5Below the limit
60.120.5Below the limit
70.200.5Below the limit
80.180.5Below the limit
90.140.5Below the limit
100.150.5Below the limit
110.040.5Below the limit
120.190.5Below the limit
130.160.5Below the limit
140.090.5Below the limit
150.040.5Below the limit
160.030.2Below the limit
170.040.2Below the limit
180.070.2Below the limit
190.070.2Below the limit
200.180.2Near the limit
210.200.2Above the limit
220.140.5Below the limit
230.490.5Near the limit
240.490.5Near the limit
250.280.5Below the limit
260.450.5Near the limit
270.180.5Below the limit
280.280.5Below the limit
290.350.5Below the limit
300.190.5Below the limit
310.300.5Below the limit
320.450.5Near the limit
330.450.5Near the limit
340.340.5Below the limit
350.410.5Near the limit
360.250.5Below the limit
370.090.5Below the limit
380.200.5Below the limit
390.260.5Below the limit
400.230.5Below the limit
410.120.5Below the limit
420.130.5Below the limit
430.220.5Below the limit
440.150.5Below the limit
45unknown0.5Not reported
46unknown0.5Not reported
47unknown0.5Not reported
48unknown0.5Not reported
49unknown0.5Not reported
50unknown0.5Not reported
51unknown0.5Not reported
52unknown0.5Not reported
20231 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
400.240.5Below the limit
410.430.5Near the limit
420.360.5Below the limit
430.490.5Near the limit
440.270.5Below the limit
450.490.5Near the limit
460.510.5Above the limit
470.410.5Near the limit
480.310.5Below the limit
490.260.5Below the limit
500.360.5Below the limit
510.380.5Below the limit
520.210.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 28, 2026
    Thermal delousing2 pens
  • Week 27, 2026
    Thermal delousing2 pens
  • Week 26, 2026
    Thermal delousing, Freshwater treatment2 pens
  • Week 21, 2026
    Thermal delousing1 pen
Show all 43
  • Week 20, 2026
    Thermal delousing1 pen
  • Week 19, 2026
    Thermal delousing1 pen
  • Week 12, 2026
    Thermal delousing, Freshwater treatment4 pens
  • Week 3, 2026
    Thermal delousing, Freshwater treatment4 pens
  • Week 2, 2026
    Freshwater treatment, Thermal delousing12 pens
  • Week 48, 2025
    Thermal delousing, Freshwater treatment8 pens
  • Week 47, 2025
    Freshwater treatment, Thermal delousing12 pens
  • Week 42, 2025
    Freshwater treatment, Thermal delousing8 pens
  • Week 41, 2025
    Freshwater treatment, Thermal delousing12 pens
  • Week 43, 2024
    Thermal delousing1 pen
  • Week 40, 2024
    Thermal delousing1 pen
  • Week 37, 2024
    Thermal delousing2 pens
  • Week 36, 2024
    Thermal delousing3 pens
  • Week 35, 2024
    Thermal delousing2 pens
  • Week 34, 2024
    Thermal delousing2 pens
  • Week 33, 2024
    Mechanical delousing3 pens
  • Week 32, 2024
    Mechanical delousing2 pens
  • Week 29, 2024
    Thermal delousing4 pens
  • Week 27, 2024
    Mechanical delousing5 pens
  • Week 22, 2024
    Mechanical delousing, Freshwater treatment, Thermal delousing4 pens
  • Week 21, 2024
    Mechanical delousing2 pens
  • Week 20, 2024
    Mechanical delousing1 pen
  • Week 15, 2024
    Thermal delousing3 pens
  • Week 14, 2024
    Thermal delousing1 pen
  • Week 13, 2024
    Thermal delousing, Freshwater treatment3 pens
  • Week 10, 2024
    Freshwater treatment, Thermal delousing4 pens
  • Week 9, 2024
    Thermal delousing, Freshwater treatment8 pens
  • Week 8, 2024
    Thermal delousing3 pens
  • Week 4, 2024
    Thermal delousing2 pens
  • Week 2, 2024
    Thermal delousing, Freshwater treatment5 pens
  • Week 1, 2024
    Freshwater treatment, Thermal delousing8 pens
  • Week 52, 2023
    Other treatment3 pens · Optilicer, Kombi - FV og Thermisk
  • Week 49, 2023
    Medicinal bath, Other treatment4 pens · Azamethiphos · Kombi - FV og Thermisk
  • Week 48, 2023
    Other treatment2 pens · Kombi - FV og Thermisk
  • Week 47, 2023
    Other treatment5 pens · Kombi - FV og Thermisk, Skamik
  • Week 45, 2023
    Medicinal bath3 pens · Azamethiphos
  • Week 44, 2023
    Other treatment4 pens · Optilicer
  • Week 41, 2023
    Other treatment5 pens · Kombi - FV og Thermisk
  • Week 40, 2023
    Other treatment1 pen · Kombi - FV og Thermisk

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
  • 14 Jul 2022
    1 salmon escapedCause: Vet ikke · recaptured 1 · Directorate of Fisheries

Wellboat visits

23 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
06 Jul 2026SeigrunnGrimsholmen21 h 41 min
05 Jul 2026SeigrunnGrimsholmen18 h 26 min
03 Jul 2026SeigrunnGrimsholmen25 h 44 min
25 Jun 2026SeihavSagen 21 h 16 min
24 Jun 2026SeihavSagen 213 h 54 min
23 Jun 2026SeihavSagen 210 h 17 min
03 Jun 2026SeihavKelvesteinen1 h 18 min
03 Jun 2026SeihavKelvesteinen1 h 2 min
02 Jun 2026SeihavKelvesteinen1 h 20 min
02 Jun 2026SeihavKelvesteinen1 h 7 min
17 May 2026SeihavKelvesteinen2 h 47 min
17 May 2026SeihavKelvesteinen45 min
Show 48 older visits
ArrivalVesselPrevious farm (14 days)Duration
17 May 2026SeihavKelvesteinen1 h 22 min
21 Apr 2026SeigrunnRamsøy S2 h 31 min
20 Apr 2026SeigrunnRamsøy S2 h 3 min
20 Apr 2026SeigrunnRamsøy S2 h 10 min
22 Mar 2026SeigrunnStolane3 h 32 min
21 Mar 2026SeigrunnStolane20 h 29 min
13 Jan 2026SeigrunnSagen 238 h 45 min
10 Jan 2026SeigrunnSagen 220 h 49 min
09 Jan 2026SeigrunnDjupevika10 h 23 min
08 Jan 2026SeigrunnDjupevika15 h 30 min
07 Jan 2026SeigrunnDjupevika9 h 59 min
25 Nov 2025SeigrunnSagen 217 h 19 min
24 Nov 2025SeigrunnSagen 218 h 0 min
23 Nov 2025SeigrunnSagen 210 h 44 min
21 Nov 2025SeigrunnKvernavika41 h 28 min
20 Nov 2025SeigrunnKvernavika12 h 5 min
12 Oct 2025SeigrunnSagen 249 h 54 min
11 Oct 2025SeigrunnSagen 211 h 39 min
20 Mar 2025LangsundRongøyna II5 h 36 min
19 Mar 2025LangsundRongøyna II1 h 51 min
19 Mar 2025LangsundRongøyna II1 h 27 min
18 Mar 2025LangsundRongøyna II1 h 29 min
18 Mar 2025LangsundLangøy2 h 47 min
17 Mar 2025LangsundLangøy1 h 28 min
17 Mar 2025SeifjellGrimsholmen2 h 5 min
16 Mar 2025SeifjellGrimsholmen1 h 44 min
15 Mar 2025SeifjellGrimsholmen5 h 14 min
14 Mar 2025SeifjellGrimsholmen2 h 41 min
13 Mar 2025SeifjellGrimsholmen3 h 34 min
12 Mar 2025SeifjellGrimsholmen1 h 30 min
11 Mar 2025SeifjellGrimsholmen4 h 44 min
29 May 2024SeihavSagen 219 h 56 min
28 May 2024SeihavSagen 25 h 57 min
25 May 2024Norwegian GannetAga Ø15 h 10 min
10 May 2024SeihavSauøy2 h 25 min
27 Mar 2024SeihavSagen 216 h 46 min
26 Mar 2024SeihavSagen 24 h 9 min
07 Mar 2024SeihavGrimsholmen6 h 57 min
06 Mar 2024SeihavGrimsholmen20 h 41 min
05 Mar 2024SeihavGrimsholmen11 h 27 min
29 Feb 2024SeihavSauøy3 h 23 min
28 Feb 2024SeihavSauøy20 h 6 min
27 Feb 2024SeihavSauøy14 h 34 min
09 Jan 2024Horda PioneerLjøsøy N7 h 37 min
08 Jan 2024Horda PioneerLjøsøy N3 h 52 min
02 Jan 2024Seihavno other farm1 h 37 min
01 Jan 2024Seihavno other farm3 h 21 min
01 Jan 2024Seihavno other farm2 h 59 min

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

Licences

Site MAB: 4,680 tonnes
LicenceTypeCapacityHolder
H A 0014Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tLerøy Midt Sjø AS
H AM 0002Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tKobbevik Og Furuholmen Oppdrett AS
H AV 0098Visning / matfiskSalmon, Rainbow trout, Trout780 tLerøy Vest AS
H F 0001Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tLerøy Vest Sjø AS
H F 0005Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tLerøy Vest Sjø AS
H F 0013Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tLerøy Vest Sjø AS
H FJ 0022Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tKobbevik Og Furuholmen Oppdrett AS
H SD 0006Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tKobbevik Og Furuholmen Oppdrett AS
H ØN 0002Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tLerøy Vest Sjø AS
H ØN 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tLerøy Vest Sjø AS
H ØN 0930Kommersiell / alger til fôr/konsumButareunknownOcean Forest AS
H ØN 0931Kommersiell / alger til fôr/konsumFingertareunknownOcean Forest AS
H ØN 0932Kommersiell / alger til fôr/konsumHavsalatunknownOcean Forest AS
H ØN 0933Kommersiell / alger til fôr/konsumSukkertare (oppdrett)unknownOcean Forest AS
H ØN 0934Kommersiell / alger til fôr/konsumSølunknownOcean Forest AS

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