Jernøya

Site 38877 · Nordkapp municipality · Production area 12, Vest-Finnmark

Below the lice limit, week 39Operated by Cermaq Norway Salmon AS · group Cermaq

0.03Adult 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 22 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

1Lice treatments in 2026Latest: Mechanical delousing, week 38, 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

13Wellboat visits in 2026by 4 different vessels · latest 11 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 21–26 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

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Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	unknown	0.5	Not reported
2	unknown	0.5	Not reported
3	unknown	0.5	Not reported
4	unknown	0.5	Not reported
5	unknown	0.5	Not reported
6	unknown	0.5	Not reported
7	unknown	0.5	Not reported
8	unknown	0.5	Not reported
9	unknown	0.5	Not reported
10	unknown	0.5	Not reported
11	unknown	0.5	Not reported
12	unknown	0.5	Not reported
13	unknown	0.5	Not reported
14	unknown	0.5	Not reported
15	unknown	0.5	Not reported
16	0.00	0.5	Below the limit
17	0.00	0.5	Below the limit
18	0.00	0.5	Below the limit
19	0.05	0.5	Below the limit
20	0.05	0.5	Below the limit
21	0.00	0.2	Below the limit
22	0.02	0.2	Below the limit
23	0.01	0.2	Below the limit
24	0.03	0.2	Below the limit
25	0.03	0.2	Below the limit
26	0.05	0.2	Below the limit
27	0.01	0.5	Below the limit
28	0.04	0.5	Below the limit
29	0.06	0.5	Below the limit
30	0.03	0.5	Below the limit
31	unknown	0.5	Not reported
32	unknown	0.5	Not reported
33	0.08	0.5	Below the limit
34	0.08	0.5	Below the limit
35	0.19	0.5	Below the limit
36	0.08	0.5	Below the limit
37	0.25	0.5	Below the limit
38	0.03	0.5	Below the limit
39	0.03	0.5	Below the limit

Earlier years

20251 of 4 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, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.63	0.5	Above the limit
2	0.25	0.5	Below the limit
3	0.10	0.5	Below the limit
4	unknown	0.5	Reported without a count
5	0.05	0.5	Below the limit
6	unknown	0.5	Not reported
7	unknown	0.5	Not reported
8	unknown	0.5	Not reported
9	unknown	0.5	Not reported
10	unknown	0.5	Not reported
11	unknown	0.5	Not reported
12	unknown	0.5	Not reported
13	unknown	0.5	Not reported
14	unknown	0.5	Not reported
15	unknown	0.5	Not reported
16	unknown	0.5	Not reported
17	unknown	0.5	Not reported
18	unknown	0.5	Not reported
19	unknown	0.5	Not reported
20	unknown	0.5	Not reported
21	unknown	0.2	Not reported
22	unknown	0.2	Not reported
23	unknown	0.2	Not reported
24	unknown	0.2	Not reported
25	unknown	0.2	Not reported
26	unknown	0.2	Not reported
27	unknown	0.5	Not reported
28	unknown	0.5	Not reported
29	unknown	0.5	Not reported
30	unknown	0.5	Not reported
31	unknown	0.5	Not reported
32	unknown	0.5	Not reported
33	unknown	0.5	Not reported
34	unknown	0.5	Not reported
35	unknown	0.5	Not reported
36	unknown	0.5	Not reported
37	unknown	0.5	Not reported
38	unknown	0.5	Not reported
39	unknown	0.5	Not reported
40	unknown	0.5	Not reported
41	unknown	0.5	Not reported
42	unknown	0.5	Not reported
43	unknown	0.5	Not reported
44	unknown	0.5	Not reported
45	unknown	0.5	Not reported
46	unknown	0.5	Not reported
47	unknown	0.5	Not reported
48	unknown	0.5	Not reported
49	unknown	0.5	Not reported
50	unknown	0.5	Not reported
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

20244 of 23 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
Week	Adult female lice per fish	Lice limit	Status
1	unknown	0.5	Not reported
2	unknown	0.5	Not reported
3	unknown	0.5	Not reported
4	unknown	0.5	Not reported
5	unknown	0.5	Not reported
6	unknown	0.5	Not reported
7	unknown	0.5	Not reported
8	unknown	0.5	Not reported
9	unknown	0.5	Not reported
10	unknown	0.5	Not reported
11	unknown	0.5	Not reported
12	unknown	0.5	Not reported
13	unknown	0.5	Not reported
14	unknown	0.5	Not reported
15	unknown	0.5	Not reported
16	unknown	0.5	Not reported
17	unknown	0.5	Not reported
18	unknown	0.5	Not reported
19	unknown	0.5	Not reported
20	unknown	0.5	Not reported
21	unknown	0.2	Not reported
22	unknown	0.2	Not reported
23	unknown	0.2	Not reported
24	unknown	0.2	Not reported
25	unknown	0.2	Not reported
26	unknown	0.2	Not reported
27	unknown	0.5	Not reported
28	unknown	0.5	Not reported
29	0.00	0.5	Below the limit
30	0.01	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.01	0.5	Below the limit
33	0.19	0.5	Below the limit
34	0.21	0.5	Below the limit
35	0.48	0.5	Near the limit
36	0.06	0.5	Below the limit
37	0.16	0.5	Below the limit
38	0.39	0.5	Below the limit
39	0.27	0.5	Below the limit
40	0.33	0.5	Below the limit
41	0.43	0.5	Near the limit
42	unknown	0.5	Reported without a count
43	0.33	0.5	Below the limit
44	0.42	0.5	Near the limit
45	1.03	0.5	Above the limit
46	1.10	0.5	Above the limit
47	0.97	0.5	Above the limit
48	0.60	0.5	Above the limit
49	0.24	0.5	Below the limit
50	0.35	0.5	Below the limit
51	0.20	0.5	Below the limit
52	0.25	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 38, 2026
Mechanical delousing5 pens
Week 49, 2024
Medicinal bath1 pen · Azamethiphos
Week 48, 2024
Medicinal bath1 pen · Azamethiphos
Week 35, 2024
Mechanical delousing3 pens

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

13 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.

Arrival	Vessel	Previous farm (14 days)	Duration
11 Sep 2026	Ronja Skilsoy	Rypefjord	10 h 36 min
10 Sep 2026	Ronja Skilsoy	Rypefjord	4 h 17 min
09 Sep 2026	Ronja Skilsoy	Rypefjord	1 h 40 min
08 Sep 2026	Ronja Skilsoy	Sessøya	5 h 53 min
04 Sep 2026	Steigen	Tinnlandet	8 h 0 min
26 Aug 2026	Veidnes	Vedbotn	3 h 59 min
15 May 2026	Steigen	Vedbotn	1 h 5 min
14 May 2026	Steigen	Vedbotn	1 h 18 min
14 May 2026	Steigen	Vedbotn	1 h 41 min
13 May 2026	Steigen	Vedbotn	1 h 52 min
13 May 2026	Steigen	Vedbotn	1 h 31 min
09 May 2026	Veidnes	Rypefjord	5 h 39 min

Show 22 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
10 Apr 2026	Ronja Silver	Vedbotn	3 h 25 min
08 Feb 2025	Steigen	Rypefjord	2 h 6 min
30 Jan 2025	Ronja Silver	Skaret	5 h 28 min
29 Jan 2025	Ronja Silver	Skaret	2 h 23 min
24 Jan 2025	Ronja Silver	Mårsanjarga	6 h 52 min
17 Jan 2025	Ronja Azul	Ytre Simanes	5 h 39 min
04 Dec 2024	Doennland	Skaret	3 h 30 min
04 Dec 2024	Ronja Azul	Ytre Simanes	6 h 55 min
04 Dec 2024	Ronja Azul	Ytre Simanes	2 h 39 min
03 Dec 2024	Ronja Azul	Ytre Simanes	2 h 45 min
03 Dec 2024	Ronja Azul	Ytre Simanes	1 h 58 min
03 Dec 2024	Ronja Azul	Ytre Simanes	1 h 10 min
03 Dec 2024	Doennland	Ytre Simanes	1 h 51 min
02 Dec 2024	Ronja Azul	Ytre Simanes	2 h 39 min
02 Dec 2024	Ronja Azul	Ytre Simanes	4 h 25 min
28 Aug 2024	Ronja Silver	Vedbotn	2 h 41 min
27 Aug 2024	Ronja Silver	Vannfjorden	7 h 52 min
11 Jul 2024	Ronja Silver	Vedbotn	3 h 8 min
11 Jul 2024	Ronja Silver	Vedbotn	5 h 32 min
10 Jul 2024	Ronja Silver	Vedbotn	5 h 31 min
10 Jul 2024	Ronja Silver	Vedbotn	2 h 37 min
09 Jul 2024	Ronja Silver	Vedbotn	2 h 33 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.

Company	From	To
Cermaq Finnmark Farming AS	Week 29, 2024	Week 28, 2026
Cermaq Norway Salmon AS	Week 18, 2026	Week 39, 2026

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

Licences

Site MAB: 5,670 tonnes

Licence	Type	Capacity	Holder
F H 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F H 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F H 0017	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F H 0018	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F H 0019	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F H 0023	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F H 0032	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F H 0033	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F HV 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F KD 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F L 0022	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F L 0025	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F L 0026	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F L 0033	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F NK 0019	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F NK 0020	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F NK 0022	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F NK 0023	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS
F NK 0024	Kommersiell / matfiskSalmon, Rainbow trout, Trout	974 t	Cermaq Norway Salmon AS

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