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The Salmon Ledger
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Site 12239 · Aukra municipality · Production area 5, Stadt til Hustadvika

Below the lice limit, week 39Operated by Mowi Seawater Norway AS
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0.33Adult female lice per fishLimit 0.50 · below the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
0Weeks above the limit in 2026of 26 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
3Lice treatments in 2026Latest: Thermal delousing, week 35, 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
15Wellboat visits in 2026by 4 different vessels · latest 29 Aug 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
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
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
210.000.2Below the limit
220.000.5Below the limit
230.030.5Below the limit
240.000.5Below the limit
250.040.5Below the limit
260.020.5Below the limit
270.040.5Below the limit
280.010.5Below the limit
290.010.5Below the limit
300.030.5Below the limit
310.070.5Below the limit
320.210.5Below the limit
330.190.5Below the limit
340.400.5Near the limit
350.120.5Below the limit
360.150.5Below the limit
370.060.5Below the limit
380.030.5Below the limit
390.330.5Below the limit

Earlier years

20250 of 25 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
10.070.5Below the limit
20.050.5Below the limit
30.090.5Below the limit
40.130.5Below the limit
50.300.5Below the limit
60.130.5Below the limit
70.310.5Below the limit
80.180.5Below the limit
90.160.5Below the limit
100.140.5Below the limit
110.170.5Below the limit
120.200.5Below the limit
130.150.5Below the limit
140.140.5Below the limit
150.320.5Below the limit
160.080.2Below the limit
170.130.2Below the limit
180.110.2Below the limit
190.070.2Below the limit
200.080.2Below the limit
210.080.2Below the limit
220.120.5Below the limit
230.170.5Below the limit
240.150.5Below the limit
250.280.5Below the limit
26unknown0.5Reported without a count
27unknown0.5Reported without a count
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
20240 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, 2024
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
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
210.000.2Below the limit
220.000.5Below the limit
230.000.5Below the limit
240.000.5Below the limit
250.000.5Below the limit
260.000.5Below the limit
270.000.5Below the limit
280.010.5Below the limit
290.080.5Below the limit
300.180.5Below the limit
310.270.5Below the limit
320.280.5Below the limit
330.080.5Below the limit
340.090.5Below the limit
350.270.5Below the limit
360.130.5Below the limit
370.010.5Below the limit
380.090.5Below the limit
390.120.5Below the limit
400.340.5Below the limit
410.180.5Below the limit
420.150.5Below the limit
430.150.5Below the limit
440.480.5Near the limit
450.320.5Below the limit
460.380.5Below the limit
470.270.5Below the limit
480.090.5Below the limit
490.030.5Below the limit
500.080.5Below the limit
510.040.5Below the limit
520.030.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 35, 2026
    Thermal delousingWhole site
  • Week 21, 2026
    Medicinal feedWhole site · Emamectin benzoat
  • Week 20, 2026
    Medicinal feedWhole site · Emamectin benzoat
  • Week 22, 2025
    Mechanical delousingWhole site
Show all 19
  • Week 18, 2025
    Thermal delousing3 pens
  • Week 15, 2025
    Thermal delousing1 pen
  • Week 14, 2025
    Thermal delousing1 pen
  • Week 13, 2025
    Thermal delousing3 pens
  • Week 6, 2025
    Thermal delousing5 pens
  • Week 48, 2024
    Thermal delousing2 pens
  • Week 47, 2024
    Thermal delousing4 pens
  • Week 43, 2024
    Mechanical delousing2 pens
  • Week 40, 2024
    Thermal delousingWhole site
  • Week 37, 2024
    Thermal delousing1 pen
  • Week 36, 2024
    Thermal delousing5 pens
  • Week 32, 2024
    Thermal delousingWhole site
  • Week 22, 2024
    Medicinal feedWhole site · Diflubenzuron
  • Week 21, 2024
    Medicinal feedWhole site · Diflubenzuron
  • Week 20, 2024
    Medicinal feedWhole site · Diflubenzuron

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

15 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
29 Aug 2026Ro WestVoravika8 h 32 min
29 Aug 2026Froy JarlOpshaugvik Land12 h 15 min
27 Aug 2026Froy JarlOpshaugvik Land27 h 29 min
27 Aug 2026Ro WestVoravika19 h 43 min
26 Aug 2026Froy JarlOpshaugvik Land11 h 28 min
26 Aug 2026Ro WestVoravika9 h 29 min
25 Aug 2026Froy JarlOpshaugvik Land10 h 20 min
25 Aug 2026Ro WestVoravika11 h 10 min
17 Apr 2026Ronja EvolutionSagelva38 min
17 Apr 2026Ronja EvolutionSagelva3 h 55 min
13 Apr 2026Ronja EvolutionStorvika2 h 6 min
12 Apr 2026Ronja EvolutionStorvika4 h 28 min
Show 46 older visits
ArrivalVesselPrevious farm (14 days)Duration
11 Apr 2026Ronja EvolutionStorvika8 h 30 min
10 Apr 2026Ronja EvolutionStorvika59 min
28 Mar 2026Ronja Mistralno other farm5 h 59 min
04 Jul 2025Ronja BoroyEggesbønes3 h 1 min
03 Jul 2025Ronja BoroyEggesbønes2 h 51 min
26 Jun 2025Ro WestEggesbønes1 h 33 min
25 Jun 2025Ro WestEggesbønes3 h 2 min
30 Apr 2025Ro WestAukrasanden31 h 45 min
12 Apr 2025Ro WestBjørlykkestranda13 h 29 min
30 Mar 2025Ro FjellFurneset29 h 0 min
29 Mar 2025Ro FjellFurneset16 h 14 min
24 Feb 2025Ro FjordSkredstivik disease or zone there1 h 51 min
23 Feb 2025Ro FjordSkredstivik disease or zone there3 h 2 min
08 Feb 2025Ronja BoroyJuvika B3 h 51 min
08 Feb 2025Ronja BoroyJuvika B2 h 57 min
08 Feb 2025Ronja BoroyJuvika B3 h 2 min
07 Feb 2025Ronja BoroyJuvika B14 h 25 min
06 Feb 2025Ronja BoroyJuvika B5 h 13 min
06 Feb 2025Ronja BoroyJuvika B6 h 27 min
05 Feb 2025Ronja BoroyJuvika B1 h 40 min
05 Feb 2025Ronja BoroyJuvika B7 h 21 min
05 Feb 2025Ronja BoroyJuvika B1 h 52 min
04 Feb 2025Ronja BoroyJuvika B2 h 3 min
04 Feb 2025Ronja BoroyJuvika B5 h 29 min
28 Nov 2024Ro WestOpshaugvik Land10 h 26 min
26 Nov 2024Ro WestOpshaugvik Land12 h 41 min
24 Nov 2024Ro WestOpshaugvik Land14 h 38 min
23 Nov 2024Ro WestOpshaugvik Land13 h 15 min
22 Nov 2024Ro WestOpshaugvik Land3 h 3 min
20 Nov 2024Ro WestOpshaugvik Land32 h 53 min
18 Nov 2024Ro WestOpshaugvik Land24 h 52 min
03 Oct 2024Ro WestStorvika39 h 38 min
11 Sep 2024FreyjaOpshaugvik Land33 min
10 Sep 2024FreyjaOpshaugvik Land18 h 27 min
09 Sep 2024FreyjaOpshaugvik Land1 h 32 min
08 Sep 2024FreyjaOpshaugvik Land12 h 16 min
07 Sep 2024FreyjaOpshaugvik Land11 h 29 min
06 Sep 2024FreyjaOpshaugvik Land13 h 35 min
05 Sep 2024FreyjaOpshaugvik Land12 h 6 min
04 Sep 2024FreyjaOpshaugvik Land13 h 52 min
10 Aug 2024Ro WestGulestø39 h 35 min
12 Apr 2024Ronja EvolutionRønstad2 h 3 min
10 Apr 2024Ronja EvolutionRønstad3 h 35 min
09 Apr 2024Ronja EvolutionRønstad2 h 44 min
16 Mar 2024Ronja Evolutionno other farm2 h 36 min
15 Mar 2024Ronja Evolutionno other farm2 h 48 min

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

Licences

Site MAB: 3,900 tonnes
LicenceTypeCapacityHolder
M AK 0002Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tMowi Seawater Norway AS
M AK 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tMowi Seawater Norway AS
M AK 0009Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tMowi Seawater Norway AS
M F 0005Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tMowi Seawater Norway AS
M ØG 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tMowi Seawater Norway AS

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