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The Salmon Ledger
NOEN

Gulestø

Site 10318 · Bremanger municipality · Production area 4, Nordhordland til Stadt

Status unknown: not reported in week 39Operated by Mowi Seawater Norway AS · group Mowi
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unknownAdult female lice per fishNo count in week 39. Latest: 0.41 in week 35, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
0Weeks above the limit in 2026of 35 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
7Lice treatments in 2026Latest: Mechanical delousing, week 31, 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
28Wellboat visits in 2026by 4 different vessels · latest 20 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
10.000.5Below the limit
20.000.5Below the limit
30.020.5Below the limit
40.000.5Below the limit
50.010.5Below the limit
60.010.5Below the limit
70.040.5Below the limit
80.040.5Below the limit
90.120.5Below the limit
100.130.5Below the limit
110.330.5Below the limit
120.420.5Near the limit
130.080.5Below the limit
140.030.5Below the limit
150.040.5Below the limit
160.020.2Below the limit
170.090.2Below the limit
180.070.2Below the limit
190.060.2Below the limit
200.120.2Below the limit
210.010.2Below the limit
220.010.5Below the limit
230.030.5Below the limit
240.080.5Below the limit
250.170.5Below the limit
260.400.5Near the limit
270.070.5Below the limit
280.120.5Below the limit
290.190.5Below the limit
300.340.5Below the limit
310.140.5Below the limit
320.090.5Below the limit
330.400.5Near the limit
340.340.5Below the limit
350.410.5Near the limit
36unknown0.5Not reported
37unknown0.5Not reported
38unknown0.5Not reported
39unknown0.5Not reported

Earlier years

20250 of 15 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
11unknown0.5Not reported
12unknown0.5Not reported
13unknown0.5Not reported
14unknown0.5Not reported
15unknown0.5Not reported
16unknown0.2Not reported
17unknown0.2Not reported
18unknown0.2Not reported
19unknown0.2Not reported
20unknown0.2Not reported
21unknown0.2Not reported
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
380.000.5Below the limit
390.000.5Below the limit
400.000.5Below the limit
410.000.5Below the limit
420.000.5Below the limit
430.000.5Below the limit
440.020.5Below the limit
450.010.5Below the limit
460.010.5Below the limit
470.020.5Below the limit
480.020.5Below the limit
490.010.5Below the limit
500.000.5Below the limit
510.000.5Below the limit
520.000.5Below the limit
20242 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
10.000.5Below the limit
20.030.5Below the limit
30.030.5Below the limit
40.040.5Below the limit
50.060.5Below the limit
60.050.5Below the limit
70.090.5Below the limit
80.110.5Below the limit
90.070.5Below the limit
100.160.5Below the limit
110.140.5Below the limit
120.190.5Below the limit
130.250.5Below the limit
140.230.5Below the limit
150.020.5Below the limit
160.000.2Below the limit
170.010.2Below the limit
180.000.2Below the limit
190.000.2Below the limit
200.020.2Below the limit
210.010.2Below the limit
220.060.5Below the limit
230.270.5Below the limit
240.040.5Below the limit
250.010.5Below the limit
260.030.5Below the limit
270.030.5Below the limit
280.060.5Below the limit
290.160.5Below the limit
300.420.5Near the limit
310.290.5Below the limit
320.170.5Below the limit
330.100.5Below the limit
340.270.5Below the limit
350.870.5Above the limit
361.310.5Above the limit
370.480.5Near the limit
380.180.5Below the limit
390.280.5Below the limit
400.420.5Near the limit
410.480.5Near the limit
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 9 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
40unknown0.5Not reported
41unknown0.5Not reported
42unknown0.5Not reported
43unknown0.5Not reported
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
490.000.5Below the limit
500.000.5Below the limit
510.000.5Below the limit
520.000.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 31, 2026
    Mechanical delousing6 pens
  • Week 27, 2026
    Mechanical delousing1 pen
  • Week 26, 2026
    Mechanical delousing5 pens
  • Week 21, 2026
    Thermal delousingWhole site
Show all 17
  • Week 14, 2026
    Thermal delousing3 pens
  • Week 13, 2026
    Thermal delousing4 pens
  • Week 12, 2026
    Thermal delousing1 pen
  • Week 49, 2025
    Thermal delousingWhole site
  • Week 38, 2024
    Mechanical delousing, Thermal delousing3 pens
  • Week 37, 2024
    Mechanical delousing, Thermal delousing7 pens
  • Week 35, 2024
    Thermal delousing, Mechanical delousing6 pens
  • Week 34, 2024
    Mechanical delousing3 pens
  • Week 32, 2024
    Thermal delousing3 pens
  • Week 31, 2024
    Thermal delousing4 pens
  • Week 24, 2024
    Thermal delousing5 pens
  • Week 23, 2024
    Thermal delousing3 pens
  • Week 14, 2024
    Thermal delousingWhole site

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

28 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
20 Aug 2026Ro FjordHesteneset2 h 0 min
19 Aug 2026FreyjaEggesbønes4 h 15 min
12 Aug 2026FreyjaEggesbønes2 h 13 min
31 Jul 2026Ronja MistralLøypingneset disease or zone there67 h 48 min
20 Jul 2026Ro FjordHjartholm3 h 15 min
05 Jul 2026Ro FjordEggesbønes2 h 22 min
02 Jul 2026Ro FjordEggesbønes1 h 6 min
30 Jun 2026Ro FjordEggesbønes1 h 52 min
20 Jun 2026Ro FjordEggesbønes22 h 22 min
25 May 2026Freyjano other farm8 h 10 min
24 May 2026Freyjano other farm12 h 8 min
24 May 2026Freyjano other farm3 h 55 min
Show 76 older visits
ArrivalVesselPrevious farm (14 days)Duration
23 May 2026Freyjano other farm21 h 7 min
21 May 2026Freyjano other farm29 h 50 min
21 May 2026Ro WestBekksneset10 h 35 min
20 May 2026Ro WestBekksneset2 h 25 min
20 May 2026Ro WestBekksneset13 h 20 min
20 May 2026Freyjano other farm21 h 23 min
19 May 2026Ro WestBekksneset11 h 18 min
19 May 2026Freyjano other farm11 h 6 min
18 May 2026Freyjano other farm12 h 30 min
18 May 2026Ro WestBekksneset11 h 50 min
31 Mar 2026Ro WestVoravika5 h 35 min
30 Mar 2026Ro WestVoravika20 h 47 min
28 Mar 2026Ro WestVoravika9 h 54 min
26 Mar 2026Ro WestVoravika17 h 50 min
23 Mar 2026Ro WestVoravika9 h 41 min
21 Mar 2026Ro WestVoravika9 h 45 min
04 Dec 2025Ro WestBrattholmen11 h 49 min
04 Dec 2025Ro WestBrattholmen2 h 11 min
03 Dec 2025FreyjaBrattholmen23 h 18 min
03 Dec 2025Ro WestBrattholmen12 h 59 min
02 Dec 2025FreyjaBrattholmen53 min
01 Dec 2025Ro WestBrattholmen3 h 4 min
01 Dec 2025Ro WestBrattholmen2 h 58 min
01 Dec 2025FreyjaBrattholmen15 h 55 min
26 Sep 2025Ronja EvolutionFlåtegrunnen3 h 33 min
26 Sep 2025Ronja EvolutionFlåtegrunnen1 h 6 min
25 Sep 2025Ronja EvolutionFlåtegrunnen3 h 13 min
24 Sep 2025Ronja EvolutionFlåtegrunnen2 h 41 min
23 Sep 2025Ronja EvolutionFlåtegrunnen2 h 58 min
22 Sep 2025Ronja EvolutionFlåtegrunnen4 h 11 min
21 Sep 2025Ronja EvolutionFlåtegrunnen2 h 43 min
23 Oct 2024Ro FjordEggesbønes1 h 38 min
22 Oct 2024Ronja SkilsoyEggesbønes2 h 28 min
22 Oct 2024Ro FjordEggesbønes1 h 51 min
16 Oct 2024Ro FjordEggesbønes2 h 7 min
14 Oct 2024Ro FjordEggesbønes1 h 20 min
10 Oct 2024Ro FjordEggesbønes1 h 3 min
07 Oct 2024Ro FjordEggesbønes3 h 26 min
07 Oct 2024TaurangaHesteneset3 h 19 min
03 Oct 2024Ro FjordEggesbønes1 h 23 min
02 Oct 2024Ro FjordEggesbønes2 h 17 min
18 Sep 2024Ro WestHolmskallen19 h 56 min
18 Sep 2024Ronja SkilsoyBeitveit12 h 49 min
17 Sep 2024Ronja SkilsoyBeitveit13 h 36 min
16 Sep 2024Ro WestHolmskallen24 h 14 min
16 Sep 2024Ro WestHolmskallen1 h 53 min
15 Sep 2024Ronja SkilsoyBeitveit26 h 11 min
15 Sep 2024Ro WestHolmskallen12 h 25 min
15 Sep 2024Ronja SkilsoyBeitveit11 h 58 min
14 Sep 2024Ro WestHolmskallen3 h 46 min
14 Sep 2024Ronja SkilsoyBeitveit4 h 30 min
13 Sep 2024Ro WestHolmskallen14 h 4 min
13 Sep 2024Ro WestHolmskallen13 h 28 min
12 Sep 2024Ro WestHolmskallen4 h 34 min
11 Sep 2024Ro WestHolmskallen22 h 51 min
10 Sep 2024Ro WestHolmskallen13 h 31 min
27 Aug 2024Ro WestSkredstivik6 h 3 min
08 Aug 2024Ro WestFureneset16 h 11 min
07 Aug 2024Ro WestFureneset19 h 30 min
06 Aug 2024Ro WestFureneset12 h 22 min
05 Aug 2024Ro WestFureneset5 h 38 min
05 Aug 2024Ro WestFureneset12 h 30 min
04 Aug 2024Ro WestFureneset2 h 16 min
04 Aug 2024Ro WestFureneset11 h 4 min
03 Aug 2024Ro WestFureneset3 h 23 min
03 Aug 2024Ro WestFureneset10 h 35 min
02 Aug 2024Ro WestFureneset10 h 21 min
01 Aug 2024Ro WestFureneset9 h 47 min
31 Jul 2024Ro WestFureneset2 h 51 min
31 Jul 2024Ro WestFureneset10 h 50 min
10 Jun 2024Ro WestBeitveit34 h 36 min
05 Apr 2024HordagutUføro disease or zone there9 h 48 min
04 Apr 2024HordagutUføro disease or zone there12 h 38 min
03 Apr 2024Ro WestFureneset22 h 57 min
03 Apr 2024Ro WestFureneset5 h 54 min
02 Apr 2024Ro WestFureneset12 h 12 min

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

Licences

Site MAB: 5,460 tonnes
LicenceTypeCapacityHolder
SF B 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tMowi Seawater Norway AS
SF B 0004Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tMowi Seawater Norway AS
SF B 0015Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tMowi Seawater Norway AS
SF B 0024Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tMowi Seawater Norway AS
SF B 0028Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tMowi Seawater Norway AS
SF F 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tMowi Seawater Norway AS
SF G 0008Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tMowi Seawater Norway AS
SF G 0013Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tMowi Seawater Norway AS
SF G 0015Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tMowi Seawater Norway AS
SF G 0035Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tMowi Seawater Norway AS

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