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The Salmon Ledger
NOEN

Kjeringeholmen

Site 36297 · Askvoll municipality · Production area 4, Nordhordland til Stadt

Status unknown: not reported in week 39Operated by Firda Havbruk AS · group Firda
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unknownAdult female lice per fishNo count in week 39. Latest: 0.45 in week 28, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
1Weeks above the limit in 2026of 28 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
11Lice treatments in 2026Latest: Other treatment, week 23, 20262026 · Norwegian Food Safety Authority · updated 01 Oct 2026
0Active disease casesNone active · 1 earlierRegister since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026
20Wellboat visits in 2026by 2 different vessels · latest 04 Jun 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
10.480.5Near the limit
20.250.5Below the limit
30.170.5Below the limit
40.150.5Below the limit
50.150.5Below the limit
60.210.5Below the limit
70.460.5Near the limit
80.480.5Near the limit
90.350.5Below the limit
100.420.5Near the limit
110.460.5Near the limit
120.480.5Near the limit
130.390.5Below the limit
140.250.5Below the limit
150.250.5Below the limit
160.080.2Below the limit
170.090.2Below the limit
180.100.2Below the limit
190.140.2Below the limit
200.190.2Near the limit
210.140.2Below the limit
220.480.5Near the limit
230.280.5Below the limit
240.400.5Near the limit
250.450.5Near the limit
260.530.5Above the limit
270.300.5Below the limit
280.450.5Near the limit
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

Earlier years

20253 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 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
19unknown0.2Reported without a count
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
250.100.5Below the limit
260.110.5Below the limit
270.220.5Below the limit
280.280.5Below the limit
290.250.5Below the limit
300.450.5Near the limit
310.470.5Near the limit
320.470.5Near the limit
330.480.5Near the limit
341.700.5Above the limit
352.400.5Above the limit
363.260.5Above the limit
37unknown0.5Not reported
380.370.5Below the limit
390.480.5Near the limit
400.180.5Below the limit
410.200.5Below the limit
420.480.5Near the limit
430.220.5Below the limit
440.230.5Below the limit
450.220.5Below the limit
460.480.5Near the limit
470.470.5Near the limit
480.220.5Below the limit
490.070.5Below the limit
500.140.5Below the limit
510.210.5Below the limit
520.380.5Below the limit
20240 of 29 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
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Adult female lice per fish per week, 2024
WeekAdult female lice per fishLice limitStatus
10.310.5Below the limit
20.460.5Near the limit
30.280.5Below the limit
40.170.5Below the limit
50.150.5Below the limit
60.310.5Below the limit
70.190.5Below the limit
80.350.5Below the limit
90.280.5Below the limit
100.290.5Below the limit
110.340.5Below the limit
120.370.5Below the limit
130.430.5Near the limit
140.470.5Near the limit
150.240.5Below the limit
160.020.2Below the limit
170.030.2Below the limit
180.010.2Below the limit
190.070.2Below the limit
200.050.2Below the limit
210.170.2Near the limit
220.100.5Below the limit
230.300.5Below the limit
240.300.5Below the limit
250.350.5Below the limit
260.380.5Below the limit
270.300.5Below the limit
280.300.5Below the limit
290.400.5Near 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
42unknown0.5Not 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 4 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
44unknown0.5Not reported
45unknown0.5Not reported
46unknown0.5Not reported
47unknown0.5Not reported
48unknown0.5Not reported
490.420.5Near the limit
500.130.5Below the limit
510.170.5Below the limit
520.220.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 23, 2026
    Other treatment1 pen · Optilicer
  • Week 21, 2026
    Other treatment2 pens · Optilicer
  • Week 16, 2026
    Other treatment1 pen · Optilicer
  • Week 15, 2026
    Other treatment1 pen · Optilicer
Show all 26
  • Week 14, 2026
    Other treatment2 pens · Optilicer
  • Week 9, 2026
    Thermal delousing, Other treatment4 pens · Optilicer
  • Week 8, 2026
    Thermal delousing1 pen
  • Week 3, 2026
    Other treatment1 pen · Optilicer
  • Week 2, 2026
    Freshwater treatment, Thermal delousing7 pens
  • Week 49, 2025
    Thermal delousing2 pens
  • Week 48, 2025
    Other treatment5 pens · Optilicer
  • Week 47, 2025
    Other treatment1 pen · Optilicer
  • Week 44, 2025
    Other treatment1 pen · Optilicer
  • Week 43, 2025
    Other treatment5 pens · Optilicer
  • Week 41, 2025
    Other treatment2 pens · Optilicer
  • Week 40, 2025
    Other treatment5 pens · Optilicer
  • Week 33, 2025
    Thermal delousing2 pens
  • Week 32, 2025
    Thermal delousing2 pens
  • Week 31, 2025
    Other treatment2 pens · Optilicer
  • Week 24, 2025
    Medicinal feed4 pens · Emamectin benzoat
  • Week 16, 2024
    Other treatment3 pens · Optilicer
  • Week 15, 2024
    Other treatment3 pens · Optilicer
  • Week 4, 2024
    Thermal delousing2 pens
  • Week 3, 2024
    Thermal delousing4 pens
  • Week 50, 2023
    Thermal delousingWhole site
  • Week 49, 2023
    Thermal delousing4 pens

Disease

Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

No escapes reported from this site since 2006.

Wellboat visits

20 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
04 Jun 2026Firda SaviorKuøyna8 h 27 min
19 May 2026Firda Saviorno other farm9 h 43 min
13 Apr 2026Firda SaviorNesevågen12 h 59 min
12 Apr 2026Firda SaviorNesevågen8 h 33 min
06 Apr 2026Firda SaviorNesevågen12 h 51 min
28 Feb 2026Firda SaviorNesevågen9 h 11 min
24 Feb 2026Firda EirKuøyna17 h 15 min
23 Feb 2026Firda SaviorElveneset disease or zone there38 h 1 min
23 Feb 2026Firda EirKuøyna17 h 1 min
22 Feb 2026Firda EirKuøyna9 h 6 min
11 Jan 2026Firda SaviorNesevågen5 h 28 min
11 Jan 2026Firda EirHatlem Ø10 h 14 min
Show 41 older visits
ArrivalVesselPrevious farm (14 days)Duration
10 Jan 2026Firda SaviorNesevågen4 h 48 min
10 Jan 2026Firda SaviorNesevågen5 h 55 min
10 Jan 2026Firda EirHatlem Ø16 h 54 min
10 Jan 2026Firda EirHatlem Ø1 h 44 min
07 Jan 2026Firda SaviorNesevågen7 h 16 min
07 Jan 2026Firda EirHatlem Ø7 h 53 min
05 Jan 2026Firda SaviorNesevågen17 h 40 min
05 Jan 2026Firda EirHatlem Ø39 h 48 min
07 Dec 2025Firda Eirno other farm15 h 53 min
07 Dec 2025Firda SaviorNesevågen19 h 4 min
06 Dec 2025Firda Eirno other farm12 h 21 min
01 Dec 2025Firda SaviorNesevågen2 h 6 min
30 Nov 2025Firda SaviorNesevågen2 h 36 min
27 Nov 2025Firda SaviorNesevågen11 h 29 min
26 Nov 2025Firda SaviorNesevågen8 h 53 min
23 Nov 2025Firda SaviorNesevågen11 h 1 min
26 Oct 2025Firda SaviorNesevågen9 h 13 min
22 Oct 2025Firda SaviorNesevågen10 h 38 min
13 Sep 2025Firda SaviorNesevågen5 h 9 min
13 Sep 2025Firda EirStorlia disease or zone there13 h 2 min
13 Aug 2025Firda Eirno other farm17 h 32 min
12 Aug 2025Firda Eirno other farm2 h 11 min
12 Aug 2025Firda Eirno other farm16 h 51 min
11 Aug 2025Firda Eirno other farm2 h 31 min
10 Aug 2025Firda Eirno other farm9 h 28 min
08 Aug 2025Firda Eirno other farm6 h 28 min
07 Aug 2025Firda Eirno other farm3 h 50 min
07 Aug 2025Firda Eirno other farm2 h 48 min
06 Aug 2025Firda Eirno other farm12 h 56 min
04 Aug 2025Firda Eirno other farm10 h 1 min
13 Jul 2025Mowi StarKuøyna2 h 35 min
11 May 2025Ro SailorGrunnsøya51 min
30 May 2024TonnyKjørsvikgrunn1 h 13 min
17 Apr 2024Firda SaviorNesevågen4 h 42 min
16 Apr 2024Firda SaviorNesevågen10 h 0 min
15 Apr 2024Firda SaviorNesevågen8 h 45 min
09 Apr 2024Firda Saviorno other farm9 h 36 min
24 Jan 2024Firda SaviorNesevågen7 h 17 min
18 Jan 2024Firda SaviorNesevågen6 h 55 min
17 Jan 2024Firda SaviorNesevågen5 h 8 min
16 Jan 2024Firda SaviorNesevågen8 h 55 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
Firda Sjøfarmer ASWeek 49, 2023Week 4, 2026
Firda Havbruk ASWeek 2, 2026Week 28, 2026

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

Licences

Site MAB: 3,120 tonnes
LicenceTypeCapacityHolder
SF A 0030Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tFirda Havbruk AS
SF A 0031Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tFirda Havbruk AS
SF G 0002Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tFirda Havbruk AS
SF G 0005Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tFirda Havbruk AS
SF G 0006Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tFirda Havbruk AS
SF G 0009Kommersiell / matfiskSalmon, Rainbow trout, Trout689 tFirda Havbruk AS
SF G 0010Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tFirda Havbruk AS
SF G 0011Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tFirda Havbruk AS
SF G 0022Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tFirda Havbruk AS
SF G 0038Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tFirda Havbruk AS
SF H 0001Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tFirda Havbruk AS
SF H 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tFirda Havbruk AS
SF H 0008Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tErko Seafood AS
SF N 0001Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tFirda Havbruk AS
SF SU 0023Kommersiell / matfiskSalmon, Rainbow trout, Trout648 tErko Seafood AS

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