Martnesvika

Site 13139 · Steigen municipality · Production area 9, Vestfjorden og Vesterålen

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

0.00Adult 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 12 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

0Lice treatments in 2026None recorded2026 · 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 01 Oct 2025Derived 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	0.33	0.5	Below the limit
2	0.33	0.5	Below the limit
3	0.32	0.5	Below the limit
4	0.26	0.5	Below the limit
5	0.25	0.5	Below the limit
6	0.26	0.5	Below the limit
7	0.26	0.5	Below the limit
8	0.21	0.5	Below the limit
9	0.18	0.5	Below the limit
10	0.14	0.5	Below the limit
11	unknown	0.5	Reported without a count
12	unknown	0.5	Reported without a count
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	0.00	0.5	Below the limit
39	0.00	0.5	Below the limit

Earlier years

20252 of 49 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	0.13	0.5	Below the limit
2	0.12	0.5	Below the limit
3	0.13	0.5	Below the limit
4	0.06	0.5	Below the limit
5	0.16	0.5	Below the limit
6	0.12	0.5	Below the limit
7	0.11	0.5	Below the limit
8	0.14	0.5	Below the limit
9	unknown	0.5	Reported without a count
10	0.11	0.5	Below the limit
11	0.07	0.5	Below the limit
12	0.03	0.5	Below the limit
13	unknown	0.5	Reported without a count
14	0.04	0.5	Below the limit
15	unknown	0.5	Not reported
16	0.04	0.5	Below the limit
17	0.03	0.5	Below the limit
18	0.03	0.5	Below the limit
19	0.05	0.5	Below the limit
20	0.04	0.5	Below the limit
21	0.08	0.2	Below the limit
22	0.04	0.2	Below the limit
23	0.04	0.2	Below the limit
24	0.03	0.2	Below the limit
25	0.09	0.2	Below the limit
26	0.11	0.2	Below the limit
27	0.33	0.5	Below the limit
28	0.11	0.5	Below the limit
29	0.12	0.5	Below the limit
30	0.24	0.5	Below the limit
31	0.19	0.5	Below the limit
32	0.19	0.5	Below the limit
33	0.43	0.5	Near the limit
34	0.49	0.5	Near the limit
35	0.16	0.5	Below the limit
36	0.41	0.5	Near the limit
37	1.29	0.5	Above the limit
38	0.40	0.5	Near the limit
39	0.91	0.5	Above the limit
40	0.09	0.5	Below the limit
41	0.19	0.5	Below the limit
42	0.18	0.5	Below the limit
43	0.44	0.5	Near the limit
44	0.20	0.5	Below the limit
45	0.09	0.5	Below the limit
46	0.09	0.5	Below the limit
47	0.07	0.5	Below the limit
48	0.04	0.5	Below the limit
49	0.07	0.5	Below the limit
50	0.11	0.5	Below the limit
51	0.19	0.5	Below the limit
52	0.32	0.5	Below the limit

20240 of 25 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	0.00	0.5	Below the limit
29	0.00	0.5	Below the limit
30	0.00	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.00	0.5	Below the limit
33	0.00	0.5	Below the limit
34	0.00	0.5	Below the limit
35	0.02	0.5	Below the limit
36	0.00	0.5	Below the limit
37	0.01	0.5	Below the limit
38	0.01	0.5	Below the limit
39	0.04	0.5	Below the limit
40	0.02	0.5	Below the limit
41	0.12	0.5	Below the limit
42	0.15	0.5	Below the limit
43	0.18	0.5	Below the limit
44	0.02	0.5	Below the limit
45	0.03	0.5	Below the limit
46	0.02	0.5	Below the limit
47	0.06	0.5	Below the limit
48	0.02	0.5	Below the limit
49	0.04	0.5	Below the limit
50	0.02	0.5	Below the limit
51	0.03	0.5	Below the limit
52	0.04	0.5	Below the limit

20230 of 2 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

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Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
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	0.13	0.5	Below the limit
50	0.25	0.5	Below the limit
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

20220 of 1 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, 2022
Week	Adult female lice per fish	Lice limit	Status
1	0.07	0.5	Below the limit
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	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

Treatments

Norwegian Food Safety Authority

Week 44, 2025
Mechanical delousing7 pens
Week 40, 2025
Mechanical delousing10 pens
Week 38, 2025
Mechanical delousing4 pens
Week 37, 2025
Mechanical delousing4 pens

Show all 13

Week 35, 2025
Mechanical delousing3 pens
Week 34, 2025
Mechanical delousing6 pens
Week 31, 2025
Mechanical delousingWhole site
Week 44, 2024
Medicinal feed, Other treatment12 pens · Emamectin benzoat · Termolicer+ etterspyling
Week 43, 2024
Medicinal feed6 pens · Emamectin benzoat
Week 42, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 41, 2024
Medicinal feed6 pens · Emamectin benzoat
Week 35, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 34, 2024
Medicinal feedWhole site · Emamectin benzoat

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

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
01 Oct 2025	Ro Sunrise	Jevik	17 h 41 min
30 Sep 2025	Ro Sunrise	Jevik	18 h 0 min
29 Sep 2025	Ro Sunrise	Jevik	18 h 0 min
16 Sep 2025	Ro Sunrise	Hellarvika	6 h 0 min
15 Sep 2025	Ro Sunrise	Hellarvika	11 h 54 min
14 Sep 2025	Ro Sunrise	Hellarvika	18 h 0 min
06 Sep 2025	Veidnes	Jevik	1 h 55 min
25 Aug 2025	Veidnes	Komagnes	19 h 28 min
23 Aug 2025	Veidnes	Komagnes	6 h 0 min
01 Aug 2025	Veidnes	Storskjæret	6 h 0 min
12 Jul 2025	Veidnes	Mulen	18 h 0 min

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

Licences

Site MAB: 6,000 tonnes

Licence	Type	Capacity	Holder
N HM 0009	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	812 t	Cermaq Norway Salmon AS
N SG 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Cermaq Norway Salmon AS
N SG 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Cermaq Norway Salmon AS
N SG 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	812 t	Cermaq Norway Salmon AS
N SG 0041	Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout	812 t	Cermaq Norway Salmon AS
N SG 0042	Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout	812 t	Cermaq Norway Salmon AS
N SG 0043	Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout	812 t	Cermaq Norway Salmon AS
N SG 0044	Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout	812 t	Cermaq Norway Salmon AS
N SG 0045	Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout	812 t	Cermaq Norway Salmon AS
N SG 0063	Kommersiell / matfiskSalmon, Rainbow trout, Trout	454 t	Cermaq Norway Salmon AS
N SG 0064	Kommersiell / matfiskSalmon, Rainbow trout, Trout	454 t	Cermaq Norway Salmon AS
N SG 0065	Kommersiell / matfiskSalmon, Rainbow trout, Trout	454 t	Cermaq Norway Salmon AS
N SG 0066	Kommersiell / matfiskSalmon, Rainbow trout, Trout	118 t	Ballangen Sjøfarm AS
N SG 0068	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Cermaq Norway Salmon AS
N SG 0069	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Cermaq Norway Salmon AS
N SG 0070	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Cermaq Norway Salmon AS
N SG 0071	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Cermaq Norway Salmon AS

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