Skip to content
The Salmon Ledger
NOEN

Kjerstad

Site 12294 · Haram municipality · Production area 5, Stadt til Hustadvika

Status unknown: not reported in week 39Operated by Lerøy Midt Sjø AS · group Lerøy Seafood Group
Follow this farmDownload CSV
unknownAdult female lice per fishNo count in week 39. Latest: 0.05 in week 45, 2024Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
unknownWeeks above the limit in 2026No weeks with a count in 2026Calculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
unknownLice treatments in 2026No lice reports in 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
0Wellboat visits in 2026Latest visit 06 Dec 2024Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026
2Escapes reported3 salmon, August 2024Since 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.

2024

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
10.010.5Below the limit
20.000.5Below the limit
30.030.5Below the limit
40.010.5Below the limit
50.130.5Below the limit
60.080.5Below the limit
70.170.5Below the limit
80.160.5Below the limit
90.270.5Below the limit
100.120.5Below the limit
110.240.5Below the limit
120.230.5Below the limit
130.440.5Near the limit
140.300.5Below 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
210.050.2Below the limit
220.140.5Below the limit
230.490.5Near the limit
240.330.5Below the limit
250.370.5Below the limit
260.460.5Near the limit
270.030.5Below the limit
280.040.5Below the limit
290.100.5Below the limit
300.340.5Below the limit
310.400.5Near the limit
320.520.5Above the limit
330.460.5Near the limit
340.520.5Above the limit
350.130.5Below the limit
360.180.5Below the limit
370.490.5Near the limit
380.470.5Near the limit
390.200.5Below the limit
400.150.5Below the limit
410.230.5Below the limit
420.320.5Below the limit
430.230.5Below the limit
440.180.5Below the limit
450.050.5Below the limit
46unknown0.5Not reported
47unknown0.5Not reported
48unknown0.5Not reported
49unknown0.5Not reported
50unknown0.5Not reported
51unknown0.5Not reported
52unknown0.5Not reported

Earlier years

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
400.230.5Below the limit
410.160.5Below the limit
420.160.5Below the limit
430.140.5Below the limit
440.070.5Below the limit
450.060.5Below the limit
460.060.5Below the limit
470.040.5Below the limit
480.070.5Below the limit
490.110.5Below the limit
500.060.5Below the limit
510.020.5Below the limit
520.010.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 42, 2024
    Mechanical delousing3 pens
  • Week 40, 2024
    Mechanical delousing1 pen
  • Week 39, 2024
    Mechanical delousing5 pens
  • Week 38, 2024
    Mechanical delousing3 pens
Show all 16
  • Week 37, 2024
    Mechanical delousing3 pens
  • Week 35, 2024
    Mechanical delousing8 pens
  • Week 34, 2024
    Mechanical delousing1 pen
  • Week 33, 2024
    Thermal delousing6 pens
  • Week 32, 2024
    Thermal delousing3 pens
  • Week 27, 2024
    Freshwater treatment, Mechanical delousingWhole site
  • Week 24, 2024
    Mechanical delousing3 pens
  • Week 23, 2024
    Mechanical delousing6 pens
  • Week 16, 2024
    Medicinal bath2 pens · Imidakloprid
  • Week 15, 2024
    Medicinal bath4 pens · Imidakloprid
  • Week 14, 2024
    Medicinal bath2 pens · Imidakloprid
  • Week 50, 2023
    Mechanical delousing, Freshwater treatmentWhole 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
  • 31 Aug 2024
    3 salmon escapedrecaptured 1 · Directorate of Fisheries
  • 27 Aug 2024
    4 salmon escapedrecaptured 1 · Directorate of Fisheries

Wellboat visits

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 Dec 2024TonnyUrdaneset1 h 46 min
12 Sep 2024TonnyFugløya1 h 20 min
31 Aug 2024RosteinGudmundset33 min
30 Aug 2024RosteinGudmundset2 h 3 min
24 Aug 2024TonnyOmsøyholman1 h 16 min
03 Aug 2024HavoernVartdal1 h 47 min
03 Aug 2024RobrisTerningen3 h 13 min
02 Aug 2024RobrisTerningen2 h 44 min
02 Aug 2024HavoernVartdal1 h 47 min
08 Jul 2024TonnyGunnarøya2 h 21 min
06 Jul 2024Froy HovdingKjørsvikgrunn10 h 46 min
05 Jul 2024Froy HovdingKjørsvikgrunn19 h 15 min
Show 11 older visits
ArrivalVesselPrevious farm (14 days)Duration
04 Jul 2024Froy HovdingKjørsvikgrunn12 h 7 min
03 Jul 2024Froy HovdingKjørsvikgrunn3 h 10 min
02 Jul 2024Froy HovdingKjørsvikgrunn15 h 46 min
30 Jun 2024Froy HovdingKjørsvikgrunn26 h 5 min
15 Apr 2024Froy HovdingSjølsvik16 h 36 min
12 Apr 2024Froy HovdingSjølsvik41 h 12 min
10 Apr 2024Froy HovdingSjølsvik14 h 34 min
09 Apr 2024Froy HovdingSjølsvik9 h 10 min
08 Apr 2024Froy HovdingSjølsvik7 h 0 min
07 Apr 2024Froy HovdingSjølsvik16 h 13 min
07 Mar 2024TonnyStorskogøya50 min

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

Licences

Site MAB: 6,240 tonnes
LicenceTypeCapacityHolder
M SR 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tLerøy Midt Sjø AS
M SU 0002Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tLerøy Vest Sjø AS
M T 0001Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tLerøy Midt Sjø AS
M T 0014Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tLerøy Midt Sjø AS
M TV 0001Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tLerøy Midt Sjø AS
M TV 0002Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tLerøy Midt Sjø AS
M TV 0007Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tLerøy Midt Sjø AS
M TV 0010Kommersiell / matfiskSalmon, Rainbow trout, Trout733 tLerøy Midt Sjø AS

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