Langskjæra II

Site 33557 · Frøya municipality · Production area 6, Nordmøre og Sør-Trøndelag

Status unknown: not reported in week 39Operated by Lerøy Midt Sjø AS · group Lerøy Seafood Group

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

unknownAdult female lice per fishNo count in week 39. Latest: 0.49 in week 10, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 10 weeks with a count · broodstock: limit may differCalculated 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

1Active disease casesPD, suspected 13 Mar 2026Register since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

12Wellboat visits in 2026by 1 vessel · latest 22 Mar 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reportedNumber unknown, June 2025Since 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.

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Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.07	0.5	Below the limit
2	0.10	0.5	Below the limit
3	0.18	0.5	Below the limit
4	0.15	0.5	Below the limit
5	0.13	0.5	Below the limit
6	0.17	0.5	Below the limit
7	0.27	0.5	Below the limit
8	0.36	0.5	Below the limit
9	0.39	0.5	Below the limit
10	0.49	0.5	Near the limit
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	0.2	Not reported
17	unknown	0.2	Not reported
18	unknown	0.2	Not reported
19	unknown	0.2	Not reported
20	unknown	0.2	Not reported
21	unknown	0.2	Not reported
22	unknown	0.5	Not reported
23	unknown	0.5	Not reported
24	unknown	0.5	Not reported
25	unknown	0.5	Not reported
26	unknown	0.5	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

Earlier years

20255 of 52 weeks with a count above the limit

Show as table

Adult female lice per fish per week, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.00	0.5	Below the limit
2	0.00	0.5	Below the limit
3	0.00	0.5	Below the limit
4	0.00	0.5	Below the limit
5	0.00	0.5	Below the limit
6	0.00	0.5	Below the limit
7	0.00	0.5	Below the limit
8	0.00	0.5	Below the limit
9	0.00	0.5	Below the limit
10	0.00	0.5	Below the limit
11	0.00	0.5	Below the limit
12	0.00	0.5	Below the limit
13	0.00	0.5	Below the limit
14	0.00	0.5	Below the limit
15	0.05	0.5	Below the limit
16	0.03	0.2	Below the limit
17	0.08	0.2	Below the limit
18	0.07	0.2	Below the limit
19	0.08	0.2	Below the limit
20	0.04	0.2	Below the limit
21	0.04	0.2	Below the limit
22	0.08	0.5	Below the limit
23	0.08	0.5	Below the limit
24	0.09	0.5	Below the limit
25	0.15	0.5	Below the limit
26	0.23	0.5	Below the limit
27	0.53	0.5	Above the limit
28	0.14	0.5	Below the limit
29	0.48	0.5	Near the limit
30	0.12	0.5	Below the limit
31	0.11	0.5	Below the limit
32	0.12	0.5	Below the limit
33	0.26	0.5	Below the limit
34	0.73	0.5	Above the limit
35	0.25	0.5	Below the limit
36	0.11	0.5	Below the limit
37	0.42	0.5	Near the limit
38	1.86	0.5	Above the limit
39	0.32	0.5	Below the limit
40	0.39	0.5	Below the limit
41	1.81	0.5	Above the limit
42	0.13	0.5	Below the limit
43	0.10	0.5	Below the limit
44	0.37	0.5	Below the limit
45	0.38	0.5	Below the limit
46	0.39	0.5	Below the limit
47	0.34	0.5	Below the limit
48	0.40	0.5	Near the limit
49	0.48	0.5	Near the limit
50	3.09	0.5	Above the limit
51	0.14	0.5	Below the limit
52	0.10	0.5	Below the limit

20241 of 19 weeks with a count above the limit

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Adult female lice per fish per week, 2024
Week	Adult female lice per fish	Lice limit	Status
1	0.34	0.5	Below the limit
2	0.43	0.5	Near the limit
3	0.99	0.5	Above the limit
4	0.45	0.5	Near the limit
5	0.17	0.5	Below the limit
6	0.03	0.5	Below the limit
7	0.07	0.5	Below the limit
8	0.10	0.5	Below the limit
9	0.02	0.5	Below the limit
10	0.18	0.5	Below the limit
11	0.20	0.5	Below the limit
12	0.13	0.5	Below the limit
13	0.22	0.5	Below the limit
14	0.10	0.5	Below the limit
15	0.15	0.5	Below the limit
16	0.10	0.2	Below the limit
17	unknown	0.2	Not reported
18	unknown	0.2	Not reported
19	unknown	0.2	Not reported
20	unknown	0.2	Not reported
21	unknown	0.2	Not reported
22	unknown	0.5	Not reported
23	unknown	0.5	Not reported
24	unknown	0.5	Not reported
25	unknown	0.5	Not reported
26	unknown	0.5	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	0.00	0.5	Below the limit
51	0.00	0.5	Below the limit
52	0.00	0.5	Below the limit

20230 of 13 weeks with a count above the limit (data from week 40)

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Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
40	0.47	0.5	Near the limit
41	0.12	0.5	Below the limit
42	0.07	0.5	Below the limit
43	0.20	0.5	Below the limit
44	0.25	0.5	Below the limit
45	0.16	0.5	Below the limit
46	0.22	0.5	Below the limit
47	0.29	0.5	Below the limit
48	0.43	0.5	Near the limit
49	0.29	0.5	Below the limit
50	0.22	0.5	Below the limit
51	0.20	0.5	Below the limit
52	0.21	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 51, 2025
Mechanical delousing, Freshwater treatmentWhole site
Week 47, 2025
Mechanical delousing3 pens
Week 46, 2025
Mechanical delousing2 pens
Week 42, 2025
Mechanical delousing, Freshwater treatmentWhole site

Show all 19

Week 39, 2025
Mechanical delousing5 pens
Week 38, 2025
Mechanical delousing5 pens
Week 37, 2025
Thermal delousing1 pen
Week 35, 2025
Mechanical delousing5 pens
Week 34, 2025
Mechanical delousing5 pens
Week 30, 2025
Freshwater treatment, Mechanical delousingWhole site
Week 28, 2025
Mechanical delousing5 pens
Week 27, 2025
Other treatment1 pen · Kombi - Ferskvann og Wellfighter
Week 4, 2024
Mechanical delousing, Freshwater treatment4 pens
Week 49, 2023
Mechanical delousingWhole site
Week 46, 2023
Mechanical delousing1 pen
Week 45, 2023
Mechanical delousing2 pens
Week 44, 2023
Mechanical delousing3 pens
Week 41, 2023
Freshwater treatment, Mechanical delousing4 pens
Week 40, 2023
Freshwater treatment, Mechanical delousing6 pens

Disease

Norwegian Food Safety Authority

13 Mar 2026
Pancreas disease (PD): suspectedStatus: active · Subtype SAV2 · started 13 Mar 2026 · Norwegian Food Safety Authority
14 Dec 2024
Infectious salmon anaemia (ISA): closedstarted 21 Feb 2024 · Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

09 Jun 2025
Escape of salmon, number unknownrecaptured 1 · Directorate of Fisheries

Wellboat visits

12 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
22 Mar 2026	Kristiansund	Langskjæra disease or zone there	2 h 5 min
11 Mar 2026	Kristiansund	Slåttholmen	3 h 25 min
09 Mar 2026	Kristiansund	Slåttholmen	1 h 55 min
08 Mar 2026	Kristiansund	Slåttholmen	4 h 14 min
05 Mar 2026	Kristiansund	Slåttholmen	2 h 57 min
04 Mar 2026	Kristiansund	Slåttholmen	2 h 50 min
02 Mar 2026	Kristiansund	Slåttholmen	3 h 8 min
18 Feb 2026	Kristiansund	Endreset	2 h 11 min
16 Feb 2026	Kristiansund	Endreset	1 h 19 min
15 Feb 2026	Kristiansund	Endreset	1 h 43 min
05 Feb 2026	Kristiansund	Slåttholmen	1 h 53 min
01 Feb 2026	Kristiansund	Endreset	1 h 52 min

Show 34 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
21 Dec 2025	Froy Hovding	Slåttholmen	2 h 16 min
20 Dec 2025	Froy Hovding	Slåttholmen	31 h 35 min
19 Dec 2025	Froy Hovding	Slåttholmen	6 h 13 min
16 Dec 2025	Froy Hovding	Slåttholmen	16 h 55 min
15 Dec 2025	Froy Hovding	Slåttholmen	14 h 21 min
16 Oct 2025	Froy Hovding	Fugløya	11 h 18 min
14 Oct 2025	Froy Hovding	Fugløya	45 h 29 min
20 Aug 2025	Froy Hovding	Storskogøya	37 h 18 min
19 Aug 2025	Froy Hovding	Storskogøya	3 h 18 min
25 Jul 2025	Froy Hovding	Reitholmen	10 h 32 min
24 Jul 2025	Froy Hovding	Reitholmen	11 h 35 min
23 Jul 2025	Froy Hovding	Reitholmen	10 h 6 min
06 Jul 2025	Froy Hovding	Langskjæra	3 h 8 min
24 Dec 2024	Froey Viking	Langskjæra	3 h 34 min
23 Dec 2024	Froey Viking	Langskjæra	3 h 27 min
21 Dec 2024	Neptun	Langskjæra	4 h 54 min
17 Dec 2024	Froey Viking	Bogen	3 h 39 min
15 Dec 2024	Froey Viking	Bogen	1 h 43 min
29 Apr 2024	Kristiansund	Reitholmen	2 h 35 min
28 Apr 2024	Kristiansund	Reitholmen	1 h 3 min
25 Apr 2024	Kristiansund	Reitholmen	3 h 12 min
24 Apr 2024	Kristiansund	Reitholmen	2 h 36 min
11 Feb 2024	Froy Hovding	Langskjæra	7 h 26 min
28 Jan 2024	Kristiansund	Langskjæra	15 h 46 min
28 Jan 2024	Froy Hovding	Kjørsvikgrunn	17 h 18 min
26 Jan 2024	Froy Hovding	Kjørsvikgrunn	10 h 37 min
25 Jan 2024	Kristiansund	Langskjæra	3 h 56 min
24 Jan 2024	Kristiansund	Langskjæra	5 h 39 min
23 Jan 2024	Kristiansund	Langskjæra	2 h 41 min
22 Jan 2024	Kristiansund	Langskjæra	1 h 37 min
21 Jan 2024	Kristiansund	Langskjæra	3 h 24 min
09 Jan 2024	Kristiansund	Endreset	5 h 38 min
08 Jan 2024	Kristiansund	Endreset	1 h 39 min
04 Jan 2024	Kristiansund	Endreset	2 h 28 min

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

Licences

Site MAB: 4,680 tonnes

Licence	Type	Capacity	Holder
ST F 0071	Kommersiell / stamfiskSalmon	780 t	Lerøy Midt AS
ST H 0010	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Lerøy Midt Sjø AS
ST H 0011	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Lerøy Midt Sjø AS
ST H 0012	Kommersiell / matfiskSalmon, Rainbow trout, Trout	805 t	Lerøy Midt Sjø AS
ST H 0015	Kommersiell / matfiskSalmon, Rainbow trout, Trout	805 t	Lerøy Midt Sjø AS
ST H 0045	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Lerøy Midt Sjø AS

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