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Ternskjæret II

Site 12662 · Namsos municipality · Production area 7, Nord-Trøndelag med Bindal

Below the lice limit, week 39Operated by Salmar Oppdrett AS · group SalMar
0.34Adult female lice per fishLimit 0.50 · below the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
2Weeks above the limit in 2026of 39 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
23Lice treatments in 2026Latest: Mechanical delousing, week 39, 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
33Wellboat visits in 2026by 4 different vessels · latest 12 Sep 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
10.160.5Below the limit
20.210.5Below the limit
30.380.5Below the limit
40.490.5Near the limit
50.190.5Below the limit
60.030.5Below the limit
70.090.5Below the limit
80.100.5Below the limit
90.140.5Below the limit
100.370.5Below the limit
110.380.5Below the limit
120.090.5Below the limit
130.100.5Below the limit
140.130.5Below the limit
150.180.5Below the limit
160.100.2Below the limit
170.160.2Below the limit
180.080.2Below the limit
190.140.2Below the limit
200.150.2Below the limit
210.040.2Below the limit
220.150.5Below the limit
230.370.5Below the limit
240.110.5Below the limit
250.190.5Below the limit
260.400.5Near the limit
270.140.5Below the limit
280.400.5Near the limit
290.190.5Below the limit
300.140.5Below the limit
310.240.5Below the limit
320.340.5Below the limit
330.500.5Above the limit
340.560.5Above the limit
350.370.5Below the limit
360.280.5Below the limit
370.410.5Near the limit
380.280.5Below the limit
390.340.5Below the limit

Earlier years

20250 of 37 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
10.420.5Near the limit
20.450.5Near the limit
30.410.5Near the limit
40.450.5Near the limit
50.480.5Near the limit
60.400.5Near the limit
70.240.5Below the limit
80.200.5Below the limit
90.230.5Below the limit
100.280.5Below the limit
110.330.5Below the limit
120.390.5Below the limit
130.350.5Below the limit
140.380.5Below the limit
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
300.000.5Below the limit
310.000.5Below the limit
320.000.5Below the limit
330.000.5Below the limit
340.010.5Below the limit
350.010.5Below the limit
360.080.5Below the limit
370.110.5Below the limit
380.190.5Below the limit
390.140.5Below the limit
400.240.5Below the limit
410.190.5Below the limit
420.320.5Below the limit
430.490.5Near the limit
440.140.5Below the limit
450.400.5Near the limit
460.280.5Below the limit
470.290.5Below the limit
480.400.5Near the limit
490.370.5Below the limit
500.440.5Near the limit
510.130.5Below the limit
520.160.5Below the limit
20240 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 2026
Show as table
Adult female lice per fish per week, 2024
WeekAdult female lice per fishLice limitStatus
10.310.5Below the limit
20.380.5Below the limit
30.230.5Below the limit
40.290.5Below the limit
50.230.5Below the limit
60.150.5Below the limit
70.240.5Below the limit
80.230.5Below the limit
90.200.5Below the limit
100.240.5Below the limit
110.170.5Below the limit
120.230.5Below the limit
130.180.5Below the limit
140.110.5Below the limit
150.100.5Below the limit
160.040.2Below the limit
170.150.2Below the limit
180.080.2Below the limit
190.080.2Below the limit
200.110.2Below the limit
210.090.2Below the limit
220.130.5Below the limit
230.140.5Below the limit
240.250.5Below the limit
250.310.5Below the limit
260.150.5Below the limit
270.150.5Below the limit
280.420.5Near the limit
290.280.5Below the limit
300.460.5Near the limit
310.300.5Below the limit
320.460.5Near the limit
330.450.5Near the limit
340.450.5Near the limit
350.430.5Near the limit
360.410.5Near the limit
370.170.5Below the limit
380.430.5Near the limit
390.440.5Near the limit
400.360.5Below the limit
410.370.5Below the limit
420.350.5Below the limit
430.270.5Below the limit
440.240.5Below the limit
450.390.5Below the limit
460.430.5Near the limit
470.480.5Near the limit
480.190.5Below the limit
490.160.5Below the limit
500.380.5Below the limit
510.380.5Below the limit
520.440.5Near the limit
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
400.070.5Below the limit
410.150.5Below the limit
420.240.5Below the limit
430.240.5Below the limit
440.140.5Below the limit
450.150.5Below the limit
460.140.5Below the limit
470.150.5Below the limit
480.130.5Below the limit
490.250.5Below the limit
500.280.5Below the limit
510.290.5Below the limit
520.300.5Below the limit

Treatments

Norwegian Food Safety Authority
  • Week 39, 2026
    Mechanical delousing6 pens
  • Week 38, 2026
    Mechanical delousing8 pens
  • Week 37, 2026
    Mechanical delousing2 pens
  • Week 36, 2026
    Mechanical delousing4 pens
Show all 47
  • Week 35, 2026
    Mechanical delousing8 pens
  • Week 34, 2026
    Mechanical delousing3 pens
  • Week 33, 2026
    Mechanical delousing5 pens
  • Week 31, 2026
    Mechanical delousing11 pens
  • Week 30, 2026
    Mechanical delousing2 pens
  • Week 29, 2026
    Mechanical delousing10 pens
  • Week 27, 2026
    Mechanical delousing10 pens
  • Week 26, 2026
    Mechanical delousing2 pens
  • Week 24, 2026
    Mechanical delousing12 pens
  • Week 23, 2026
    Mechanical delousing1 pen
  • Week 21, 2026
    Mechanical delousing12 pens
  • Week 20, 2026
    Mechanical delousing1 pen
  • Week 18, 2026
    Mechanical delousing10 pens
  • Week 16, 2026
    Mechanical delousing3 pens
  • Week 12, 2026
    Other treatment5 pens · FreshWell
  • Week 11, 2026
    Mechanical delousing, Other treatment8 pens · FreshWell
  • Week 5, 2026
    Medicinal bath7 pens · Azamethiphos
  • Week 4, 2026
    Medicinal bath4 pens · Azamethiphos
  • Week 51, 2025
    Other treatment6 pens · FreshWell
  • Week 44, 2025
    Mechanical delousing, Thermal delousing9 pens
  • Week 37, 2025
    Mechanical delousing2 pens
  • Week 7, 2025
    Mechanical delousing3 pens
  • Week 6, 2025
    Mechanical delousing8 pens
  • Week 3, 2025
    Mechanical delousing6 pens
  • Week 48, 2024
    Mechanical delousing13 pens
  • Week 43, 2024
    Mechanical delousing9 pens
  • Week 42, 2024
    Mechanical delousing4 pens
  • Week 41, 2024
    Mechanical delousing2 pens
  • Week 40, 2024
    Mechanical delousing11 pens
  • Week 39, 2024
    Mechanical delousing13 pens
  • Week 37, 2024
    Other treatment7 pens · Hydrolicer
  • Week 36, 2024
    Other treatment6 pens · Hydrolicer
  • Week 34, 2024
    Other treatment10 pens · Skamik
  • Week 33, 2024
    Other treatment3 pens · Skamik
  • Week 31, 2024
    Other treatmentWhole site · Wellfighter
  • Week 29, 2024
    Other treatment13 pens · Hydrolicer
  • Week 27, 2024
    Other treatment3 pens · Wellfighter
  • Week 26, 2024
    Other treatment10 pens · Wellfighter
  • Week 23, 2024
    Other treatment8 pens · FreshWell
  • Week 22, 2024
    Other treatment6 pens · FreshWell
  • Week 19, 2024
    Other treatment2 pens · FreshWell
  • Week 14, 2024
    Medicinal bath, Other treatment5 pens · Azamethiphos · FreshWell
  • Week 2, 2024
    Medicinal bath4 pens · Azamethiphos

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

33 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
12 Sep 2026Ronja NaeroeysundHeggvika31 min
08 Sep 2026Ronja OceanMarøya3 h 22 min
20 Aug 2026Ronja NaeroeysundMarøya8 h 52 min
14 Aug 2026Ro VisionDolma N16 h 57 min
13 Aug 2026Ro VisionDolma N11 h 47 min
03 Aug 2026Ronja OceanVarholmen3 h 11 min
31 Jul 2026Ronja PrincessDolma N7 h 45 min
30 Jul 2026Ronja PrincessDolma N11 h 15 min
30 Jul 2026Ronja NaeroeysundOksskardvika5 h 59 min
27 Jul 2026Ronja OceanHumulen3 h 38 min
09 Jul 2026Ronja OceanMarøya1 h 49 min
09 Jul 2026Ronja OceanHumulen4 h 59 min
Show 77 older visits
ArrivalVesselPrevious farm (14 days)Duration
29 Jun 2026Ronja NaeroeysundØksningen8 h 11 min
28 Jun 2026Ronja NaeroeysundØksningen8 h 23 min
07 Jun 2026Ronja NaeroeysundKipholmen22 h 30 min
21 May 2026Ronja NaeroeysundSmineset N50 min
20 May 2026Ronja NaeroeysundSmineset N17 h 35 min
19 May 2026Ronja NaeroeysundSmineset N23 h 47 min
18 May 2026Ronja NaeroeysundSmineset N12 h 26 min
13 May 2026Ronja OceanMarøya9 h 26 min
28 Apr 2026Ronja NaeroeysundÅrnes18 h 46 min
27 Apr 2026Ronja NaeroeysundÅrnes14 h 58 min
15 Apr 2026Ronja NaeroeysundKlungset11 h 18 min
21 Mar 2026Ronja OceanSmineset N19 h 41 min
19 Mar 2026Ronja OceanSmineset N20 h 22 min
14 Mar 2026Ronja OceanSmineset N12 h 56 min
13 Mar 2026Ronja OceanSmineset N14 h 15 min
11 Mar 2026Ronja OceanSmineset N30 h 42 min
28 Jan 2026Ronja OceanNordgjæslingan30 h 20 min
27 Jan 2026Ronja OceanNordgjæslingan19 h 1 min
26 Jan 2026Ronja OceanNordgjæslingan18 h 32 min
25 Jan 2026Ronja OceanNordgjæslingan18 h 37 min
24 Jan 2026Ronja OceanNordgjæslingan12 h 18 min
19 Dec 2025Ronja OceanNordgjæslingan4 h 7 min
16 Dec 2025Ronja OceanNordgjæslingan7 h 43 min
16 Dec 2025Ronja OceanNordgjæslingan2 h 37 min
15 Dec 2025Ronja OceanNordgjæslingan11 h 45 min
27 Oct 2025Ronja OceanKyrøyene38 h 39 min
30 Aug 2025RohavDavatluft3 h 51 min
05 Aug 2025ViknatransOksbåsen2 h 40 min
28 Jul 2025ViknatransKlungset3 h 14 min
27 Jul 2025ViknatransKlungset31 min
19 Jul 2025Ronja VitaNordnes4 h 41 min
26 Apr 2025AasvaerfjordNordskag1 h 49 min
24 Apr 2025AasvaerfjordNordskag2 h 7 min
22 Apr 2025AasvaerfjordNordskag1 h 44 min
21 Apr 2025AasvaerfjordNordskag2 h 23 min
21 Apr 2025Froy OdinNordskag3 h 24 min
19 Apr 2025AasvaerfjordNordskag1 h 33 min
02 Apr 2025AasvaerfjordNordskag1 h 58 min
19 Mar 2025Froy OdinKorsneset7 h 1 min
09 Mar 2025Ro VisionRaskjæret3 h 46 min
09 Feb 2025Ronja NaeroeysundKipholmen22 h 32 min
09 Feb 2025Ro SenjaYtterflesa1 h 56 min
09 Feb 2025Ronja NaeroeysundKipholmen15 h 7 min
08 Feb 2025Ronja NaeroeysundKipholmen21 h 48 min
01 Feb 2025Ro VisionNordskag1 h 24 min
05 Jan 2025Froy OdinBuholmen1 h 58 min
18 Dec 2024Ronja OceanMarøya1 h 40 min
28 Nov 2024Ronja NaeroeysundKlungset33 min
27 Nov 2024Ronja NaeroeysundKlungset16 h 27 min
26 Nov 2024Ronja NaeroeysundKlungset21 h 22 min
25 Nov 2024Ronja ExplorerMarøya2 h 26 min
25 Nov 2024Ronja NaeroeysundKlungset15 h 26 min
08 Nov 2024Ronja ExplorerLille Kvitholmen2 h 3 min
26 Oct 2024Ronja NaeroeysundMarøya5 h 1 min
25 Oct 2024Ronja NaeroeysundMarøya21 h 1 min
24 Oct 2024Ronja NaeroeysundMarøya10 h 6 min
20 Oct 2024Ronja NaeroeysundSmineset N12 h 9 min
19 Oct 2024Ronja NaeroeysundSmineset N5 h 44 min
07 Oct 2024Ronja NaeroeysundGjerdinga6 h 18 min
05 Oct 2024Ronja NaeroeysundGjerdinga22 h 8 min
04 Oct 2024Ronja NaeroeysundGjerdinga12 h 24 min
23 Sep 2024Ronja OceanStasøya62 h 19 min
01 Aug 2024Ronja NaeroeysundBondøya43 h 34 min
31 Jul 2024Ronja NaeroeysundBondøya11 h 18 min
01 Jul 2024Ronja NaeroeysundKlungset9 h 49 min
30 Jun 2024Ronja NaeroeysundKlungset17 h 52 min
29 Jun 2024Ronja NaeroeysundKlungset5 h 18 min
28 Jun 2024Ronja NaeroeysundKlungset16 h 7 min
05 Jun 2024Ronja NaeroeysundKipholmen13 h 11 min
04 Jun 2024Ronja NaeroeysundKipholmen6 h 27 min
02 Jun 2024Ronja NaeroeysundKipholmen28 h 20 min
01 Jun 2024Ronja NaeroeysundKipholmen24 h 50 min
06 May 2024Ronja OceanSmineset N10 h 33 min
03 Apr 2024Ronja NaeroeysundMarøya10 h 23 min
02 Apr 2024Ronja NaeroeysundMarøya12 h 44 min
10 Jan 2024Ronja OceanNordgjæslingan9 h 29 min
09 Jan 2024Ronja OceanNordgjæslingan27 h 5 min

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

Licences

Site MAB: 4,680 tonnes
LicenceTypeCapacityHolder
NT NR 0014Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tSalmar Oppdrett AS
NT NR 0049Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tSalmar Oppdrett AS
NT V 0002Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tSalmar Oppdrett AS
NT V 0003Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tSalmar Oppdrett AS
NT V 0035Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tSalmar Oppdrett AS
NT V 0038Kommersiell / matfiskSalmon, Rainbow trout, Trout804 tSalmar Oppdrett AS
TR N 0001Forskning / matfiskSalmon, Rainbow trout, Trout780 tSalmar Farming AS
TR N 0002Forskning / matfiskSalmon, Rainbow trout, Trout780 tSalmar Farming AS

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