Skip to content
The Salmon Ledger
NOEN

Hofsøya

Site 33957 · Frøya municipality · Production area 6, Nordmøre og Sør-Trøndelag

Below the lice limit, week 39Operated by Lerøy Midt Sjø AS

Broodstock site: the limit may differ from the general one.

Follow this farmDownload CSV
0.31Adult 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 37 weeks with a count · broodstock: limit may differCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
37Lice treatments in 2026Latest: Mechanical delousing, week 39, 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
28Wellboat visits in 2026by 6 different vessels · latest 01 Sep 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026
1Escapes reported1 salmon, February 2019Since 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. Broodstock site: the limit may differ from the general one.

2026

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026Broodstock site: the limit may differ from the general one.
Show as table
Adult female lice per fish per week, 2026
WeekAdult female lice per fishLice limitStatus
1unknown0.5Not reported
2unknown0.5Not reported
30.000.5Below the limit
40.000.5Below the limit
50.000.5Below the limit
60.000.5Below the limit
70.000.5Below the limit
80.000.5Below the limit
90.000.5Below the limit
100.000.5Below the limit
110.010.5Below the limit
120.010.5Below the limit
130.010.5Below the limit
140.020.5Below the limit
150.010.5Below the limit
160.020.2Below the limit
170.030.2Below the limit
180.040.2Below the limit
190.040.2Below the limit
200.040.2Below the limit
210.040.2Below the limit
220.060.5Below the limit
230.040.5Below the limit
240.120.5Below the limit
250.270.5Below the limit
260.270.5Below the limit
270.140.5Below the limit
280.110.5Below the limit
290.160.5Below the limit
300.180.5Below the limit
310.100.5Below the limit
320.110.5Below the limit
330.180.5Below the limit
340.160.5Below the limit
350.220.5Below the limit
360.050.5Below the limit
370.060.5Below the limit
380.150.5Below the limit
390.310.5Below the limit

Earlier years

20252 of 21 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 2026Broodstock site: the limit may differ from the general one.
Show as table
Adult female lice per fish per week, 2025
WeekAdult female lice per fishLice limitStatus
10.310.5Below the limit
20.340.5Below the limit
30.400.5Near the limit
40.590.5Above the limit
50.250.5Below the limit
60.180.5Below the limit
70.150.5Below the limit
80.160.5Below the limit
90.180.5Below the limit
100.200.5Below the limit
110.200.5Below the limit
120.170.5Below the limit
130.230.5Below the limit
140.200.5Below the limit
150.170.5Below the limit
160.200.2Above the limit
170.180.2Near the limit
180.190.2Near the limit
190.170.2Near the limit
200.170.2Near the limit
210.150.2Below the limit
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
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
20244 of 52 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 2026Broodstock site: the limit may differ from the general one.
Show as table
Adult female lice per fish per week, 2024
WeekAdult female lice per fishLice limitStatus
10.000.5Below the limit
20.000.5Below the limit
30.000.5Below the limit
40.000.5Below the limit
50.000.5Below the limit
60.000.5Below the limit
70.000.5Below the limit
80.010.5Below the limit
90.000.5Below the limit
100.000.5Below the limit
110.000.5Below the limit
120.000.5Below the limit
130.000.5Below the limit
140.010.5Below the limit
150.020.5Below the limit
160.020.2Below the limit
170.080.2Below the limit
180.110.2Below the limit
190.090.2Below the limit
200.020.2Below the limit
210.010.2Below the limit
220.000.5Below the limit
230.020.5Below the limit
240.210.5Below the limit
250.060.5Below the limit
260.170.5Below the limit
270.090.5Below the limit
280.140.5Below the limit
290.430.5Near the limit
300.340.5Below the limit
310.370.5Below the limit
320.240.5Below the limit
330.100.5Below the limit
340.150.5Below the limit
350.280.5Below the limit
361.590.5Above the limit
370.800.5Above the limit
380.420.5Near the limit
390.480.5Near the limit
401.450.5Above the limit
411.730.5Above the limit
420.380.5Below the limit
430.450.5Near the limit
440.240.5Below the limit
450.240.5Below the limit
460.320.5Below the limit
470.280.5Below the limit
480.450.5Near the limit
490.320.5Below the limit
500.240.5Below the limit
510.260.5Below the limit
520.270.5Below the limit
20230 of 3 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 2026Broodstock site: the limit may differ from the general one.
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
49unknown0.5Not reported
500.000.5Below the limit
510.000.5Below the limit
520.000.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 39, 2026
    Mechanical delousing2 pens
  • Week 36, 2026
    Freshwater treatment, Mechanical delousing4 pens
  • Week 35, 2026
    Freshwater treatment, Mechanical delousing10 pens
  • Week 34, 2026
    Thermal delousing, Freshwater treatment8 pens
Show all 32
  • Week 31, 2026
    Mechanical delousing, Thermal delousing14 pens
  • Week 30, 2026
    Mechanical delousing, Thermal delousing6 pens
  • Week 29, 2026
    Thermal delousing, Mechanical delousing, Freshwater treatment10 pens
  • Week 27, 2026
    Freshwater treatment2 pens
  • Week 26, 2026
    Mechanical delousing, Freshwater treatment10 pens
  • Week 23, 2026
    Freshwater treatment, Mechanical delousing4 pens
  • Week 22, 2026
    Freshwater treatment, Mechanical delousing4 pens
  • Week 15, 2025
    Mechanical delousing1 pen
  • Week 14, 2025
    Mechanical delousing1 pen
  • Week 6, 2025
    Mechanical delousing, Thermal delousing, Freshwater treatment6 pens
  • Week 5, 2025
    Thermal delousing, Mechanical delousing14 pens
  • Week 50, 2024
    Mechanical delousing2 pens
  • Week 49, 2024
    Mechanical delousing3 pens
  • Week 48, 2024
    Mechanical delousing2 pens
  • Week 46, 2024
    Mechanical delousing2 pens
  • Week 44, 2024
    Freshwater treatment, Mechanical delousing2 pens
  • Week 42, 2024
    Freshwater treatment, Mechanical delousing16 pens
  • Week 41, 2024
    Mechanical delousing, Freshwater treatment6 pens
  • Week 38, 2024
    Mechanical delousing5 pens
  • Week 37, 2024
    Mechanical delousing9 pens
  • Week 36, 2024
    Mechanical delousing10 pens
  • Week 33, 2024
    Mechanical delousing3 pens
  • Week 32, 2024
    Mechanical delousing9 pens
  • Week 30, 2024
    Mechanical delousing, Freshwater treatment2 pens
  • Week 29, 2024
    Freshwater treatment, Mechanical delousing22 pens
  • Week 24, 2024
    Freshwater treatmentWhole site
  • Week 20, 2024
    Medicinal bath6 pens · Imidakloprid
  • Week 19, 2024
    Medicinal bath6 pens · Imidakloprid

Disease

Norwegian Food Safety Authority

Escapes

Directorate of Fisheries
  • 16 Feb 2019
    1 salmon escapedCause: Uhell · Directorate of Fisheries

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
01 Sep 2026Froy HovdingFugløya disease or zone there12 h 11 min
31 Aug 2026Froy HovdingFugløya disease or zone there12 h 52 min
29 Aug 2026Froy HovdingFugløya disease or zone there48 h 30 min
19 Aug 2026Ro FjellRenndalen35 h 13 min
18 Aug 2026Ro FjellRenndalen37 h 20 min
28 Jul 2026Froy SagaNørholmen21 h 2 min
27 Jul 2026Froy SagaNørholmen18 h 12 min
27 Jul 2026Froy SagaNørholmen3 h 6 min
26 Jul 2026Froy SagaNørholmen19 h 21 min
19 Jul 2026Froy SagaAursøysva11 h 24 min
15 Jul 2026Njord KyaAursøysva2 h 16 min
14 Jul 2026Njord KyaAursøysva13 h 3 min
Show 88 older visits
ArrivalVesselPrevious farm (14 days)Duration
13 Jul 2026Njord KyaAursøysva17 h 21 min
02 Jul 2026Froey VikingHausan19 h 38 min
28 Jun 2026KristiansundKjørsvikgrunn11 h 52 min
27 Jun 2026KristiansundKjørsvikgrunn14 h 54 min
26 Jun 2026KristiansundKjørsvikgrunn12 h 11 min
26 Jun 2026KristiansundKjørsvikgrunn1 h 6 min
25 Jun 2026KristiansundKjørsvikgrunn1 h 27 min
24 Jun 2026KristiansundKjørsvikgrunn27 h 33 min
02 Jun 2026Froy HovdingHausan2 h 42 min
01 Jun 2026Froy HovdingHausan10 h 29 min
31 May 2026Froy HovdingHausan13 h 49 min
02 Apr 2026Froey Vikingno other farm7 h 1 min
01 Apr 2026Froey Vikingno other farm5 h 50 min
31 Mar 2026Froey Vikingno other farm7 h 50 min
15 Jan 2026Froey VikingRingholmen4 h 54 min
14 Jan 2026Froey VikingRingholmen3 h 27 min
27 May 2025KristiansundHendneset4 h 33 min
25 May 2025KristiansundHendneset2 h 46 min
20 May 2025Kristiansundno other farm3 h 11 min
19 May 2025Kristiansundno other farm3 h 15 min
18 May 2025KristiansundVullum3 h 18 min
11 May 2025KristiansundVullum3 h 26 min
28 Apr 2025KristiansundHalsbukta2 h 29 min
27 Apr 2025KristiansundHalsbukta5 h 7 min
24 Apr 2025KristiansundHalsbukta2 h 24 min
23 Apr 2025KristiansundHalsbukta4 h 8 min
22 Apr 2025KristiansundHalsbukta3 h 14 min
02 Apr 2025KristiansundSegelråa3 h 1 min
01 Apr 2025KristiansundSegelråa4 h 22 min
31 Mar 2025KristiansundSegelråa1 h 58 min
27 Mar 2025Froey VikingRingholmen1 h 26 min
17 Mar 2025Froey VikingRingholmen2 h 22 min
12 Mar 2025Froey VikingRingholmen4 h 33 min
05 Mar 2025Froey VikingHalsbukta2 h 23 min
07 Feb 2025Ro FortuneRenndalen14 h 55 min
06 Feb 2025Ro FortuneRenndalen1 h 32 min
06 Feb 2025Ro FortuneRenndalen2 h 13 min
05 Feb 2025Ro FortuneRenndalen9 h 4 min
01 Feb 2025Ro FortuneNørholmen3 h 37 min
01 Feb 2025Ro FortuneNørholmen10 h 15 min
31 Jan 2025Ro FortuneNørholmen10 h 20 min
31 Jan 2025Ro FortuneNørholmen10 h 18 min
30 Jan 2025KristiansundRingholmen3 h 21 min
30 Jan 2025Ro FortuneNørholmen17 h 0 min
30 Jan 2025KristiansundRingholmen58 min
29 Jan 2025Ro FortuneNørholmen16 h 28 min
11 Dec 2024KristiansundSkåren15 h 16 min
08 Dec 2024Froy HovdingGunnarøya16 h 29 min
07 Dec 2024Froy HovdingGunnarøya8 h 27 min
05 Nov 2024TonnySlettvika1 h 14 min
20 Oct 2024Froy HovdingSkåren6 h 44 min
19 Oct 2024Froy HovdingSkåren17 h 32 min
18 Oct 2024Froy HovdingSkåren7 h 2 min
16 Oct 2024Froy HovdingSkåren29 h 14 min
15 Oct 2024Froy HovdingSkåren15 h 7 min
14 Oct 2024Froy HovdingSkåren22 h 9 min
12 Oct 2024Froy HovdingSkåren33 h 1 min
24 Sep 2024TonnyHausan1 h 27 min
17 Sep 2024Froy HovdingVassgåsholmen1 h 10 min
16 Sep 2024Froy HovdingVassgåsholmen15 h 51 min
15 Sep 2024Froy HovdingVassgåsholmen10 h 4 min
14 Sep 2024Froy HovdingVassgåsholmen16 h 42 min
12 Sep 2024Froy HovdingVassgåsholmen30 h 15 min
06 Sep 2024KristiansundFugløya44 h 37 min
11 Aug 2024KristiansundVassgåsholmen35 h 11 min
10 Aug 2024KristiansundVassgåsholmen9 h 19 min
09 Aug 2024KristiansundVassgåsholmen13 h 6 min
22 Jul 2024Froy HovdingGunnarøya1 h 42 min
21 Jul 2024Froy HovdingGunnarøya9 h 47 min
20 Jul 2024Froy HovdingGunnarøya19 h 19 min
18 Jul 2024Froy HovdingGunnarøya20 h 13 min
17 Jul 2024Froy HovdingGunnarøya11 h 6 min
17 Jun 2024Froy HovdingKjørsvikgrunn12 h 12 min
16 Jun 2024Froy HovdingKjørsvikgrunn13 h 52 min
15 Jun 2024Froy HovdingKjørsvikgrunn11 h 32 min
14 Jun 2024Froy HovdingKjørsvikgrunn11 h 36 min
12 Jun 2024Froy HovdingKjørsvikgrunn31 h 53 min
11 Jun 2024Froy HovdingKjørsvikgrunn12 h 14 min
13 May 2024Froy HovdingKjørsvikgrunn28 h 36 min
12 May 2024Froy HovdingKjørsvikgrunn10 h 1 min
11 May 2024Froy HovdingKjørsvikgrunn17 h 51 min
13 Jan 2024ViknatransAursøysva9 h 49 min
13 Jan 2024ViknatransAursøysva7 h 3 min
12 Jan 2024ViknatransAursøysva8 h 32 min
11 Jan 2024ViknatransAursøysva9 h 40 min
10 Jan 2024ViknatransAursøysva7 h 26 min
09 Jan 2024ViknatransAursøysva8 h 37 min
08 Jan 2024ViknatransAursøysva9 h 48 min

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

Licences

Site MAB: 7,020 tonnes
LicenceTypeCapacityHolder
ST F 0023Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tLerøy Midt Sjø AS
ST F 0030Kommersiell / matfiskSalmon, Rainbow trout, Trout788 tLerøy Midt Sjø AS
ST F 0071Kommersiell / stamfiskSalmon780 tLerøy Midt AS
ST H 0002Kommersiell / matfiskSalmon, Rainbow trout, Trout805 tLerøy Midt Sjø AS
ST H 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout805 tLerøy Midt Sjø AS
ST SI 0015Kommersiell / matfiskSalmon, Rainbow trout, Trout805 tLerøy Midt Sjø AS
ST SI 0016Kommersiell / matfiskSalmon, Rainbow trout, Trout805 tLerøy Midt Sjø AS

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