Langås

Site 34457 · Karlsøy municipality · Production area 11, Kvaløya til Loppa

Below the lice limit, week 39Operated by Lerøy Aurora Sjø AS · group Lerøy Seafood Group

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

0.06Adult 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 25 weeks with a count · broodstock: limit may differCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

2Lice treatments in 2026Latest: Medicinal feed, week 29, 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

9Wellboat visits in 2026by 2 different vessels · latest 09 May 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. 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.

Show as table

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	0.00	0.5	Below the limit
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	0.00	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	0.01	0.2	Below the limit
24	0.00	0.2	Below the limit
25	0.02	0.2	Below the limit
26	0.02	0.2	Below the limit
27	0.04	0.5	Below the limit
28	0.03	0.5	Below the limit
29	0.02	0.5	Below the limit
30	0.03	0.5	Below the limit
31	0.02	0.5	Below the limit
32	0.03	0.5	Below the limit
33	0.03	0.5	Below the limit
34	0.05	0.5	Below the limit
35	0.04	0.5	Below the limit
36	0.05	0.5	Below the limit
37	0.05	0.5	Below the limit
38	0.07	0.5	Below the limit
39	0.06	0.5	Below the limit

Earlier years

20250 of 31 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	0.19	0.5	Below the limit
2	0.23	0.5	Below the limit
3	0.24	0.5	Below the limit
4	0.26	0.5	Below the limit
5	0.29	0.5	Below the limit
6	0.30	0.5	Below the limit
7	0.30	0.5	Below the limit
8	0.28	0.5	Below the limit
9	0.35	0.5	Below the limit
10	0.43	0.5	Near the limit
11	0.45	0.5	Near the limit
12	0.47	0.5	Near the limit
13	0.37	0.5	Below the limit
14	0.35	0.5	Below the limit
15	0.36	0.5	Below the limit
16	0.30	0.5	Below the limit
17	0.32	0.5	Below the limit
18	0.29	0.5	Below the limit
19	0.20	0.5	Below the limit
20	0.09	0.5	Below the limit
21	0.07	0.2	Below the limit
22	0.16	0.2	Below the limit
23	0.14	0.2	Below the limit
24	0.11	0.2	Below the limit
25	0.08	0.2	Below the limit
26	0.04	0.2	Below the limit
27	0.07	0.5	Below the limit
28	0.09	0.5	Below the limit
29	0.10	0.5	Below the limit
30	0.38	0.5	Below the limit
31	0.24	0.5	Below the limit
32	unknown	0.5	Reported without a count
33	unknown	0.5	Reported without a count
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

20240 of 38 weeks with a count above the limit

Show as table

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	0.00	0.5	Below the limit
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	0.00	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	0.01	0.2	Below the limit
25	0.01	0.2	Below the limit
26	0.02	0.2	Below the limit
27	0.02	0.5	Below the limit
28	0.01	0.5	Below the limit
29	0.00	0.5	Below the limit
30	0.00	0.5	Below the limit
31	0.01	0.5	Below the limit
32	0.01	0.5	Below the limit
33	0.03	0.5	Below the limit
34	0.03	0.5	Below the limit
35	0.03	0.5	Below the limit
36	0.06	0.5	Below the limit
37	0.12	0.5	Below the limit
38	0.17	0.5	Below the limit
39	0.25	0.5	Below the limit
40	0.31	0.5	Below the limit
41	0.12	0.5	Below the limit
42	0.04	0.5	Below the limit
43	0.06	0.5	Below the limit
44	0.08	0.5	Below the limit
45	0.12	0.5	Below the limit
46	0.15	0.5	Below the limit
47	0.23	0.5	Below the limit
48	0.25	0.5	Below the limit
49	0.24	0.5	Below the limit
50	0.23	0.5	Below the limit
51	0.27	0.5	Below the limit
52	0.21	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 29, 2026
Medicinal feedEmamectin benzoat
Week 28, 2026
Medicinal feedEmamectin benzoat
Week 20, 2025
Thermal delousing2 pens
Week 13, 2025
Medicinal bath5 pens · Azamethiphos

Show all 7

Week 42, 2024
Medicinal feed, Thermal delousing14 pens · Emamectin benzoat
Week 41, 2024
Mechanical delousing, Thermal delousing10 pens
Week 27, 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

9 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
09 May 2026	Reisa	Lausklubben	1 h 1 min
01 May 2026	Reisa	Skjervøy	1 h 4 min
28 Apr 2026	Reisa	Skjervøy	2 h 41 min
12 Apr 2026	Froey Viking	Vullum	3 h 41 min
11 Apr 2026	Reisa	Skjervøy	2 h 44 min
10 Apr 2026	Froey Viking	Vullum	1 h 54 min
07 Apr 2026	Froey Viking	Vullum	2 h 7 min
07 Apr 2026	Reisa	Skjervøy	1 h 30 min
05 Apr 2026	Reisa	Skjervøy	1 h 27 min
05 Aug 2025	Reisa	Skjervøy	2 h 45 min
04 Aug 2025	Reisa	Skjervøy	2 h 58 min
26 Jul 2025	Reisa	Skjervøy	2 h 33 min

Show 37 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
23 Jul 2025	Reisa	Skjervøy	2 h 55 min
20 Jul 2025	Reisa	Skjervøy	1 h 29 min
15 Jul 2025	Reisa	Skjervøy	1 h 40 min
13 Jul 2025	Reisa	Skjervøy	5 h 16 min
11 Jul 2025	Reisa	Skjervøy	5 h 49 min
03 Jul 2025	Ro Arctic	Tinnlandet	2 h 12 min
28 Jun 2025	Ro Fortune	Gourtesjouka	4 h 55 min
25 Jun 2025	Ronja Skilsoy	Ytre Simanes	3 h 13 min
21 Jun 2025	Ro Sailor	Alsvåg	4 h 5 min
14 Jun 2025	Ro Sailor	Skjervøy	2 h 55 min
11 May 2025	Reisa	Skjervøy	3 h 42 min
19 Apr 2025	Reisa	Skjervøy	2 h 4 min
17 Apr 2025	Reisa	Skarvestein	4 h 5 min
13 Apr 2025	Rohav	Skjervøy	1 h 48 min
13 Apr 2025	Rohav	Skaret	1 h 33 min
07 Apr 2025	Reisa	Skjervøy	4 h 59 min
22 Mar 2025	Rohav	Skaret	1 h 35 min
22 Mar 2025	Ro Spirit	Trolløya SV	3 h 21 min
17 Mar 2025	Ro Vision	Klubben	2 h 25 min
14 Mar 2025	Reisa	Skjervøy	2 h 21 min
11 Mar 2025	Reisa	Skjervøy	3 h 58 min
24 Feb 2025	Reisa	Skjervøy	3 h 27 min
08 Feb 2025	Reisa	Skjervøy	5 h 27 min
21 Jan 2025	Reisa	Skjervøy	4 h 37 min
12 Oct 2024	Reisa	Skjervøy	8 h 31 min
10 Oct 2024	Reisa	Spergittklubben	6 h 14 min
17 Jun 2024	Oddoey	Stangholmen	3 h 6 min
17 Jun 2024	Oddoey	Stangholmen	6 h 28 min
15 Jun 2024	Oddoey	Stangholmen	32 h 22 min
15 Jun 2024	Oddoey	Stangholmen	13 h 30 min
13 Apr 2024	Ro Arctic	Klubben	41 min
12 Apr 2024	Ro Sailor	Storskjæret	2 h 35 min
12 Apr 2024	Reisa	Skjervøy	3 h 28 min
11 Apr 2024	Ro Arctic	Klubben	2 h 29 min
10 Apr 2024	Reisa	Skjervøy	1 h 47 min
09 Apr 2024	Ro Arctic	Klubben	1 h 54 min
08 Apr 2024	Reisa	Skjervøy	2 h 34 min

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

Licences

Site MAB: 7,200 tonnes

Licence	Type	Capacity	Holder
T G 0010	Kommersiell / matfiskSalmon, Rainbow trout, Trout	984 t	Lerøy Aurora Sjø AS
T K 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,013 t	Lerøy Aurora Sjø AS
T K 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	984 t	Lerøy Aurora Sjø AS
T K 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,012 t	Lerøy Aurora Sjø AS
T T 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,021 t	Lerøy Aurora Sjø AS
T T 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,021 t	Lerøy Aurora Sjø AS
T T 0010	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,021 t	Lerøy Aurora Sjø AS
T T 0015	Kommersiell / matfiskSalmon, Rainbow trout, Trout	985 t	Lerøy Aurora Sjø AS
T T 0065	Kommersiell / stamfiskSalmon	780 t	Lerøy Midt AS
T TN 0017	Forskning / matfiskSalmon	780 t	Akvaplan-Niva AS

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