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Syltøy

Site 13196 · Øygarden municipality · Production area 3, Karmøy til Sotra

Below the lice limit, week 39Operated by Mowi Seawater Norway AS · group Mowi
0.00Adult female lice per fishLimit 0.50 · below the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
2Weeks above the limit in 2026of 39 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
3Lice treatments in 2026Latest: Mechanical 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
9Wellboat visits in 2026by 3 different vessels · latest 09 Jul 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
10.020.5Below the limit
20.160.5Below the limit
30.230.5Below the limit
40.180.5Below the limit
50.330.5Below the limit
60.280.5Below the limit
70.360.5Below the limit
80.480.5Near the limit
90.480.5Near the limit
100.320.5Below the limit
110.400.5Near the limit
120.280.5Below the limit
130.270.5Below the limit
140.200.5Below the limit
150.120.5Below the limit
160.100.2Below the limit
170.230.2Above the limit
180.180.2Near the limit
190.190.2Near the limit
200.280.2Above the limit
210.030.2Below the limit
220.090.5Below the limit
230.150.5Below the limit
240.370.5Below the limit
250.000.5Below the limit
260.000.5Below the limit
270.000.5Below the limit
280.080.5Below the limit
290.030.5Below the limit
300.200.5Below the limit
310.280.5Below the limit
320.450.5Near the limit
330.280.5Below the limit
340.330.5Below the limit
350.320.5Below the limit
360.430.5Near the limit
370.000.5Below the limit
380.000.5Below the limit
390.000.5Below the limit

Earlier years

20250 of 33 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
10.030.5Below the limit
20.430.5Near the limit
30.300.5Below the limit
40.160.5Below the limit
50.250.5Below the limit
60.260.5Below the limit
70.260.5Below the limit
80.410.5Near the limit
90.430.5Near the limit
100.420.5Near the limit
110.400.5Near the limit
120.050.5Below the limit
130.050.5Below the limit
140.130.5Below the limit
150.100.5Below the limit
160.140.2Below the limit
170.070.2Below the limit
180.100.2Below the limit
190.030.2Below the limit
200.070.2Below the limit
210.180.2Near the limit
220.120.5Below the limit
230.090.5Below the limit
240.180.5Below the limit
250.170.5Below the limit
260.450.5Near the limit
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
460.000.5Below the limit
470.000.5Below the limit
480.000.5Below the limit
490.000.5Below the limit
500.000.5Below the limit
510.020.5Below the limit
520.060.5Below the limit
20243 of 39 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
10.400.5Near the limit
20.470.5Near the limit
30.230.5Below the limit
40.440.5Near the limit
50.550.5Above the limit
60.060.5Below the limit
70.100.5Below the limit
80.030.5Below the limit
90.140.5Below the limit
100.150.5Below the limit
110.240.5Below the limit
120.280.5Below the limit
130.170.5Below the limit
140.100.5Below the limit
150.080.5Below the limit
160.050.2Below the limit
170.490.2Above the limit
180.160.2Below the limit
190.210.2Above the limit
200.150.2Below the limit
210.160.2Below the limit
220.190.5Below the limit
230.170.5Below the limit
240.420.5Near the limit
250.350.5Below the limit
260.250.5Below the limit
270.170.5Below the limit
280.300.5Below the limit
290.440.5Near the limit
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
42unknown0.5Reported without a count
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
480.000.5Below the limit
490.090.5Below the limit
500.040.5Below the limit
510.010.5Below the limit
520.010.5Below the limit
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
440.040.5Below the limit
450.130.5Below the limit
460.240.5Below the limit
470.350.5Below the limit
480.200.5Below the limit
490.160.5Below the limit
500.190.5Below the limit
510.180.5Below the limit
520.280.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 28, 2026
    Mechanical delousingWhole site
  • Week 21, 2026
    Mechanical delousingWhole site
  • Week 1, 2026
    Medicinal feedWhole site · Emamectin benzoat
  • Week 52, 2025
    Medicinal feedWhole site · Emamectin benzoat
Show all 12
  • Week 22, 2025
    Mechanical delousing, Thermal delousing5 pens
  • Week 19, 2025
    Thermal delousingWhole site
  • Week 11, 2025
    Medicinal bathWhole site · Azamethiphos
  • Week 51, 2024
    Medicinal feedWhole site · Emamectin benzoat
  • Week 19, 2024
    Thermal delousingWhole site
  • Week 6, 2024
    Thermal delousingWhole site
  • Week 46, 2023
    Medicinal feedWhole site · Emamectin benzoat
  • Week 45, 2023
    Medicinal feed3 pens · Emamectin benzoat

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

9 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
09 Jul 2026Ronja MistralSkorpeosen2 h 5 min
08 Jul 2026Ronja MistralSkorpeosen1 h 39 min
06 Jul 2026TaurangaDjupevik7 h 44 min
05 Jul 2026Ronja MerdoeDjupevik5 h 59 min
02 Jul 2026Ronja MerdoeUtåker6 h 17 min
01 Jul 2026TaurangaDjupevik10 h 40 min
30 Jun 2026Ronja MerdoeUtåker6 h 43 min
29 Jun 2026TaurangaDjupevik11 h 21 min
28 Jun 2026Ronja MerdoeUtåker6 h 40 min
10 Nov 2025Ronja EvolutionRønstad2 h 33 min
21 Jul 2025TaurangaKjeahola5 h 7 min
20 Jul 2025Ronja AzulRennaren2 h 50 min
Show 21 older visits
ArrivalVesselPrevious farm (14 days)Duration
20 Jul 2025Ronja MerdoeSmedholmen7 h 54 min
17 Jul 2025Ronja MerdoeSmedholmen6 h 4 min
30 May 2025Ro WestSkorpeosen10 h 52 min
27 May 2025Ronja MerdoeKjeahola6 h 4 min
09 May 2025Ronja MaloySkaganeset6 h 44 min
12 Mar 2025Ronja MaloyEggesbønes32 h 21 min
11 Mar 2025Ronja MaloyEggesbønes29 h 47 min
18 Oct 2024Ronja AzulSlåttenes3 h 13 min
17 Oct 2024Ronja AzulSlåttenes3 h 8 min
13 Aug 2024Ronja MerdoeDjupevik2 h 23 min
12 Aug 2024TaurangaSalvågvika12 h 11 min
11 Aug 2024Ronja MerdoeSkorpeosen4 h 5 min
09 Aug 2024TaurangaSalvågvika7 h 4 min
07 Aug 2024TaurangaSalvågvika9 h 9 min
01 Aug 2024Ronja MerdoePinnen7 h 4 min
16 Jun 2024Ro ArcticTendalsvik11 h 39 min
15 Jun 2024Ro ArcticTendalsvik6 h 54 min
12 May 2024Ro WestSkorpeosen16 h 54 min
10 Feb 2024Ronja MaloyKjeahola disease or zone there8 h 34 min
09 Feb 2024Ronja MaloyKjeahola disease or zone there11 h 29 min
08 Feb 2024Ronja MaloyKjeahola disease or zone there12 h 47 min

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

Licences

Site MAB: 2,340 tonnes
LicenceTypeCapacityHolder
H E 0005Kommersiell / matfiskSalmon, Rainbow trout, Trout689 tMowi Seawater Norway AS
H F 0007Kommersiell / matfiskSalmon, Rainbow trout, Trout689 tMowi Seawater Norway AS
H F 0008Kommersiell / matfiskSalmon, Rainbow trout, Trout2,068 tMowi Seawater Norway AS
H F 0009Kommersiell / matfiskSalmon, Rainbow trout, Trout2,068 tMowi Seawater Norway AS
H F 0010Kommersiell / matfiskSalmon, Rainbow trout, Trout689 tMowi Seawater Norway AS
H F 0011Kommersiell / matfiskSalmon, Rainbow trout, Trout689 tMowi Seawater Norway AS
H J 0004Kommersiell / matfiskSalmon, Rainbow trout, Trout689 tMowi Seawater Norway AS
H J 0005Kommersiell / matfiskSalmon, Rainbow trout, Trout689 tMowi Seawater Norway AS
H K 0028Kommersiell / matfiskSalmon, Rainbow trout, Trout1,447 tMowi Seawater Norway AS
H K 0037Kommersiell / matfiskSalmon, Rainbow trout, Trout689 tMowi Seawater Norway AS
H K 0039Kommersiell / matfiskSalmon, Rainbow trout, Trout689 tMowi Seawater Norway AS

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