Langneset

Site 45154 · Karlsøy municipality · Production area 11, Kvaløya til Loppa

Below the lice limit, week 39Operated by Salmar Oppdrett AS · group SalMar

0.05Adult 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 21 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

2Lice treatments in 2026Latest: Mechanical delousing, week 36, 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

4Wellboat visits in 2026by 4 different vessels · latest 03 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	unknown	0.5	Not reported
17	unknown	0.5	Not reported
18	unknown	0.5	Not reported
19	0.00	0.5	Below the limit
20	0.00	0.5	Below the limit
21	0.00	0.2	Below the limit
22	0.00	0.2	Below the limit
23	0.00	0.2	Below the limit
24	0.00	0.2	Below the limit
25	0.00	0.2	Below the limit
26	0.00	0.2	Below the limit
27	0.00	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.01	0.5	Below the limit
30	0.01	0.5	Below the limit
31	0.09	0.5	Below the limit
32	0.03	0.5	Below the limit
33	0.13	0.5	Below the limit
34	0.21	0.5	Below the limit
35	0.16	0.5	Below the limit
36	0.04	0.5	Below the limit
37	0.11	0.5	Below the limit
38	0.07	0.5	Below the limit
39	0.05	0.5	Below the limit

Earlier years

20256 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

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Adult female lice per fish per week, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.45	0.5	Near the limit
2	0.77	0.5	Above the limit
3	0.13	0.5	Below the limit
4	0.37	0.5	Below the limit
5	0.30	0.5	Below the limit
6	0.46	0.5	Near the limit
7	0.56	0.5	Above the limit
8	0.51	0.5	Above the limit
9	0.34	0.5	Below the limit
10	0.35	0.5	Below the limit
11	0.23	0.5	Below the limit
12	0.39	0.5	Below the limit
13	0.30	0.5	Below the limit
14	0.35	0.5	Below the limit
15	0.49	0.5	Near the limit
16	0.43	0.5	Near the limit
17	0.33	0.5	Below the limit
18	0.40	0.5	Near the limit
19	0.21	0.5	Below the limit
20	0.40	0.5	Near the limit
21	0.26	0.2	Above the limit
22	0.14	0.2	Below the limit
23	0.25	0.2	Above the limit
24	0.24	0.2	Above the limit
25	0.02	0.2	Below the limit
26	0.08	0.2	Below the limit
27	0.06	0.5	Below the limit
28	0.10	0.5	Below the limit
29	0.18	0.5	Below the limit
30	0.13	0.5	Below the limit
31	0.21	0.5	Below the limit
32	0.34	0.5	Below the limit
33	0.33	0.5	Below the limit
34	0.08	0.5	Below the limit
35	0.15	0.5	Below the limit
36	0.31	0.5	Below the limit
37	0.39	0.5	Below the limit
38	unknown	0.5	Reported without a count
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

20242 of 33 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	Reported without a count
20	0.00	0.5	Below the limit
21	0.00	0.2	Below the limit
22	0.00	0.2	Below the limit
23	0.00	0.2	Below the limit
24	0.00	0.2	Below the limit
25	0.00	0.2	Below the limit
26	0.00	0.2	Below the limit
27	0.00	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.01	0.5	Below the limit
30	0.00	0.5	Below the limit
31	0.01	0.5	Below the limit
32	0.08	0.5	Below the limit
33	0.05	0.5	Below the limit
34	0.07	0.5	Below the limit
35	0.31	0.5	Below the limit
36	0.33	0.5	Below the limit
37	0.42	0.5	Near the limit
38	0.71	0.5	Above the limit
39	0.45	0.5	Near the limit
40	0.10	0.5	Below the limit
41	0.17	0.5	Below the limit
42	0.38	0.5	Below the limit
43	0.25	0.5	Below the limit
44	0.49	0.5	Near the limit
45	0.48	0.5	Near the limit
46	1.04	0.5	Above the limit
47	0.15	0.5	Below the limit
48	0.25	0.5	Below the limit
49	0.23	0.5	Below the limit
50	0.16	0.5	Below the limit
51	0.16	0.5	Below the limit
52	0.31	0.5	Below the limit

20232 of 10 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	0.00	0.5	Below the limit
41	0.12	0.5	Below the limit
42	0.47	0.5	Near the limit
43	0.48	0.5	Near the limit
44	0.38	0.5	Below the limit
45	0.48	0.5	Near the limit
46	0.43	0.5	Near the limit
47	0.46	0.5	Near the limit
48	0.74	0.5	Above the limit
49	0.78	0.5	Above the limit
50	unknown	0.5	Not reported
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

Treatments

Norwegian Food Safety Authority

Week 36, 2026
Mechanical delousing5 pens
Week 34, 2026
Medicinal feedWhole site · Emamectin benzoat
Week 34, 2025
Mechanical delousing5 pens
Week 31, 2025
Mechanical delousing3 pens

Show all 14

Week 30, 2025
Mechanical delousing1 pen
Week 25, 2025
Mechanical delousing1 pen
Week 24, 2025
Mechanical delousing1 pen
Week 22, 2025
Mechanical delousing2 pens
Week 19, 2025
Mechanical delousing1 pen
Week 3, 2025
Mechanical delousing4 pens
Week 47, 2024
Mechanical delousing5 pens
Week 40, 2024
Mechanical delousing3 pens
Week 39, 2024
Mechanical delousing2 pens
Week 29, 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

4 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
03 Sep 2026	Ro Senja	Finnvik	26 h 8 min
16 Jun 2026	Ronja Vita	Kvitelv	2 h 29 min
08 May 2026	Ronja Princess	Finnvik	1 h 5 min
08 May 2026	Aasvaerfjord	Korsnes	4 h 55 min
30 Sep 2025	Froy Odin	Ytre Baltsfjord	5 h 32 min
30 Sep 2025	Ro Master	Klubben	5 h 13 min
29 Sep 2025	Ro Master	Skjervøy	2 h 27 min
28 Sep 2025	Ro Master	Klubben	4 h 57 min
27 Sep 2025	Ro Master	Skaret	3 h 29 min
24 Sep 2025	Froy Odin	Klubben	44 min
21 Sep 2025	Ro Master	Klubben	3 h 25 min
22 Aug 2025	Ro Senja	Klubben	44 min

Show 18 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
20 Aug 2025	Ro Senja	Klubben	43 h 29 min
19 Aug 2025	Ro Senja	Klubben	9 h 14 min
14 Aug 2025	Ro Spirit	Alsvåg	2 h 55 min
14 Aug 2025	Ro Spirit	Alsvåg	1 h 40 min
18 Jun 2025	Ro Senja	Klubben	5 h 37 min
30 May 2025	Ro Senja	Finnvik	8 h 50 min
29 May 2025	Ro Senja	Finnvik	12 h 49 min
25 Feb 2025	Ronja Aurora	Klubben	4 h 55 min
24 Feb 2025	Aasvaerfjord	Klubben	3 h 53 min
12 Jan 2025	Ro Senja	Fellesholmen	2 h 34 min
21 Nov 2024	Ro Fortune	Husfjord	25 h 46 min
20 Nov 2024	Ro Fortune	Husfjord	7 h 12 min
18 Nov 2024	Ro Fortune	Klubben	6 h 25 min
05 Oct 2024	Ro Senja	Finnvik	8 h 18 min
04 Oct 2024	Ro Senja	Finnvik	10 h 30 min
23 Sep 2024	Ro Senja	Skogshamn	18 h 59 min
05 May 2024	Ronja Vita	Korsnes	2 h 55 min
04 May 2024	Ronja Vita	Korsnes	6 h 12 min

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

Licences

Site MAB: 5,670 tonnes

Licence	Type	Capacity	Holder
T N 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	2,187 t	Salmar Oppdrett AS
T N 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,041 t	Salmar Oppdrett AS
T N 0010	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,041 t	Salmar Oppdrett AS
T N 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,041 t	Salmar Oppdrett AS
T T 0078	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Arctic Offshore Farming AS
T T 0079	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Arctic Offshore Farming AS
T T 0080	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Arctic Offshore Farming AS
T T 0081	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Arctic Offshore Farming AS
T T 0082	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Arctic Offshore Farming AS
T T 0083	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Arctic Offshore Farming AS
T T 0084	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Arctic Offshore Farming AS
T T 0085	Kommersiell / matfiskSalmon, Rainbow trout, Trout	540 t	Arctic Offshore Farming AS
T TN 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,041 t	Salmar Oppdrett AS
T TN 0015	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,041 t	Salmar Oppdrett AS

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