Lyngholmen

Site 12978 · Gulen municipality · Production area 4, Nordhordland til Stadt

Status unknown: not reported in week 39Operated by Firda Havbruk AS · group Firda

unknownAdult female lice per fishNo count in week 39. Latest: 0.15 in week 38, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 36 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

3Lice treatments in 2026Latest: Other treatment, week 25, 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

6Wellboat visits in 2026by 2 different vessels · latest 13 Mar 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 16–21 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	0.00	0.5	Below the limit
3	unknown	0.5	Not reported
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	0.06	0.5	Below the limit
16	0.07	0.2	Below the limit
17	0.06	0.2	Below the limit
18	0.13	0.2	Below the limit
19	0.09	0.2	Below the limit
20	0.11	0.2	Below the limit
21	0.11	0.2	Below the limit
22	0.12	0.5	Below the limit
23	0.20	0.5	Below the limit
24	0.30	0.5	Below the limit
25	0.18	0.5	Below the limit
26	0.12	0.5	Below the limit
27	0.17	0.5	Below the limit
28	0.18	0.5	Below the limit
29	0.15	0.5	Below the limit
30	0.03	0.5	Below the limit
31	0.15	0.5	Below the limit
32	0.24	0.5	Below the limit
33	0.13	0.5	Below the limit
34	0.20	0.5	Below the limit
35	0.23	0.5	Below the limit
36	0.28	0.5	Below the limit
37	0.17	0.5	Below the limit
38	0.15	0.5	Below the limit
39	unknown	0.5	Not reported

Earlier years

20250 of 24 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	0.40	0.5	Near the limit
2	0.35	0.5	Below the limit
3	0.43	0.5	Near the limit
4	0.45	0.5	Near the limit
5	0.42	0.5	Near the limit
6	0.25	0.5	Below the limit
7	0.34	0.5	Below the limit
8	0.44	0.5	Near the limit
9	0.15	0.5	Below the limit
10	0.12	0.5	Below the limit
11	0.26	0.5	Below the limit
12	0.18	0.5	Below the limit
13	0.26	0.5	Below the limit
14	0.20	0.5	Below the limit
15	0.19	0.5	Below the limit
16	0.19	0.2	Near the limit
17	0.03	0.2	Below the limit
18	0.06	0.2	Below the limit
19	0.03	0.2	Below the limit
20	0.10	0.2	Below the limit
21	0.03	0.2	Below the limit
22	0.08	0.5	Below the limit
23	0.20	0.5	Below the limit
24	0.15	0.5	Below the limit
25	unknown	0.5	Reported without a count
26	unknown	0.5	Reported without a count
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

20242 of 51 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	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	0.00	0.5	Below the limit
16	0.00	0.2	Below the limit
17	0.02	0.2	Below the limit
18	0.06	0.2	Below the limit
19	0.06	0.2	Below the limit
20	0.06	0.2	Below the limit
21	0.02	0.2	Below the limit
22	0.03	0.5	Below the limit
23	0.01	0.5	Below the limit
24	0.00	0.5	Below the limit
25	0.03	0.5	Below the limit
26	0.01	0.5	Below the limit
27	0.05	0.5	Below the limit
28	0.20	0.5	Below the limit
29	0.27	0.5	Below the limit
30	0.23	0.5	Below the limit
31	0.35	0.5	Below the limit
32	0.17	0.5	Below the limit
33	0.34	0.5	Below the limit
34	1.07	0.5	Above the limit
35	0.19	0.5	Below the limit
36	0.30	0.5	Below the limit
37	0.43	0.5	Near the limit
38	0.84	0.5	Above the limit
39	0.33	0.5	Below the limit
40	0.41	0.5	Near the limit
41	0.43	0.5	Near the limit
42	0.40	0.5	Near the limit
43	0.32	0.5	Below the limit
44	0.36	0.5	Below the limit
45	0.49	0.5	Near the limit
46	0.26	0.5	Below the limit
47	0.16	0.5	Below the limit
48	0.25	0.5	Below the limit
49	0.30	0.5	Below the limit
50	0.41	0.5	Near the limit
51	0.32	0.5	Below the limit
52	0.33	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 25, 2026
Other treatment4 pens · Optilicer
Week 16, 2026
Medicinal feedEmamectin benzoat
Week 8, 2026
Medicinal feedWhole site · Emamectin benzoat
Week 19, 2025
Other treatment1 pen · Optilicer

Show all 21

Week 17, 2025
Other treatment3 pens · Optilicer
Week 10, 2025
Other treatment1 pen · Optilicer
Week 9, 2025
Other treatment1 pen · Optilicer
Week 6, 2025
Other treatment2 pens · Optilicer
Week 2, 2025
Other treatment1 pen · Optilicer
Week 51, 2024
Other treatment3 pens · Optilicer
Week 50, 2024
Other treatment1 pen · Optilicer
Week 47, 2024
Other treatment3 pens · Optilicer
Week 46, 2024
Other treatment3 pens · Optilicer
Week 43, 2024
Other treatment6 pens · Optilicer
Week 42, 2024
Other treatment1 pen · Optilicer
Week 40, 2024
Other treatment2 pens · Optilicer
Week 39, 2024
Other treatment2 pens · Optilicer
Week 38, 2024
Other treatment4 pens · Optilicer
Week 35, 2024
Other treatment7 pens · Optilicer
Week 17, 2024
Medicinal feed4 pens · Emamectin benzoat
Week 14, 2024
Medicinal feed3 pens · 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

6 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
13 Mar 2026	Seifjell	Hardbakkeneset	1 h 20 min
27 Jan 2026	Mowi Star	Kviksholmen	56 min
08 Jan 2026	Mowi Star	Hardbakkeneset	31 min
07 Jan 2026	Mowi Star	Hardbakkeneset	1 h 12 min
03 Jan 2026	Mowi Star	Silda	1 h 8 min
02 Jan 2026	Mowi Star	Silda	59 min
19 May 2025	Firda Eir	no other farm	5 h 57 min
26 Apr 2025	Firda Savior	Nesevågen	7 h 24 min
22 Apr 2025	Firda Savior	Nesevågen	8 h 30 min
21 Apr 2025	Firda Savior	Nesevågen	6 h 1 min
10 Apr 2025	Rostein	Nesevågen	2 h 11 min
10 Apr 2025	Rostein	Steinvik disease or zone there	1 h 37 min

Show 20 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
25 Feb 2025	Firda Savior	Nesevågen	4 h 31 min
08 Feb 2025	Firda Savior	Hardbakkeneset	11 h 31 min
12 Jan 2025	Robas	Hesteneset	1 h 15 min
15 Dec 2024	Firda Savior	Nesevågen	1 h 1 min
13 Nov 2024	Firda Savior	Hyseneset	6 h 14 min
12 Nov 2024	Firda Savior	Hyseneset	5 h 43 min
02 Nov 2024	Tonny	Leiholmane	1 h 24 min
23 Oct 2024	Firda Savior	Nesevågen	4 h 57 min
22 Oct 2024	Firda Savior	Kuøyna	5 h 39 min
20 Oct 2024	Firda Savior	Kuøyna	6 h 25 min
19 Sep 2024	Firda Savior	Nesevågen	10 h 12 min
18 Sep 2024	Firda Savior	Nesevågen	2 h 42 min
17 Sep 2024	Firda Savior	Nesevågen	6 h 41 min
16 Sep 2024	Firda Savior	Nesevågen	10 h 16 min
20 Feb 2024	Mowi Star	no other farm	1 h 0 min
19 Feb 2024	Mowi Star	no other farm	57 min
09 Feb 2024	Mowi Star	no other farm	59 min
06 Jan 2024	Mowi Star	no other farm	1 h 4 min
05 Jan 2024	Mowi Star	no other farm	56 min
04 Jan 2024	Mowi Star	no other farm	55 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
Firda Sjøfarmer AS	Week 2, 2024	Week 4, 2026
Firda Havbruk AS	Week 5, 2026	Week 38, 2026

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

Licences

Site MAB: 4,500 tonnes

Licence	Type	Capacity	Holder
SF A 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Landøy Havbruk AS
SF A 0026	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Landøy Havbruk AS
SF A 0030	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Firda Havbruk AS
SF A 0031	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Firda Havbruk AS
SF A 0032	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Landøy Havbruk AS
SF G 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Firda Havbruk AS
SF G 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Firda Havbruk AS
SF G 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Firda Havbruk AS
SF G 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Firda Havbruk AS
SF G 0010	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Firda Havbruk AS
SF G 0011	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Firda Havbruk AS
SF G 0022	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Firda Havbruk AS
SF G 0038	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Firda Havbruk AS
SF G 0051	Visning / matfiskSalmon, Rainbow trout, Trout	500 t	Firda Eiendom AS
SF H 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Firda Havbruk AS
SF H 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Firda Havbruk AS
SF N 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Firda Havbruk AS

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