Kjerringneset

Site 11689 · Gulen municipality · Production area 4, Nordhordland til Stadt

Below the lice limit, week 39Operated by Firda Havbruk AS · group Firda

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 4 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

1Wellboat visits in 2026by 1 vessel · latest 25 Aug 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

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	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	0.00	0.5	Below the limit
37	0.00	0.5	Below the limit
38	0.00	0.5	Below the limit
39	0.00	0.5	Below the limit

Earlier years

20250 of 32 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

Show as table

Adult female lice per fish per week, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.30	0.5	Below the limit
2	0.02	0.5	Below the limit
3	0.24	0.5	Below the limit
4	0.13	0.5	Below the limit
5	0.25	0.5	Below the limit
6	0.10	0.5	Below the limit
7	0.28	0.5	Below the limit
8	0.25	0.5	Below the limit
9	0.38	0.5	Below the limit
10	0.38	0.5	Below the limit
11	0.33	0.5	Below the limit
12	0.10	0.5	Below the limit
13	0.25	0.5	Below the limit
14	0.25	0.5	Below the limit
15	0.00	0.5	Below the limit
16	0.01	0.2	Below the limit
17	0.04	0.2	Below the limit
18	0.04	0.2	Below the limit
19	unknown	0.2	Not reported
20	0.08	0.2	Below the limit
21	0.11	0.2	Below the limit
22	0.18	0.5	Below the limit
23	0.30	0.5	Below the limit
24	0.03	0.5	Below the limit
25	unknown	0.5	Reported without a count
26	0.10	0.5	Below the limit
27	0.20	0.5	Below the limit
28	0.37	0.5	Below the limit
29	0.10	0.5	Below the limit
30	0.49	0.5	Near the limit
31	0.40	0.5	Near the limit
32	0.35	0.5	Below the limit
33	0.40	0.5	Near the limit
34	0.35	0.5	Below the limit
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

20241 of 22 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

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	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	0.00	0.5	Below the limit
32	0.00	0.5	Below the limit
33	0.00	0.5	Below the limit
34	0.05	0.5	Below the limit
35	0.39	0.5	Below the limit
36	0.31	0.5	Below the limit
37	0.00	0.5	Below the limit
38	0.14	0.5	Below the limit
39	0.16	0.5	Below the limit
40	0.49	0.5	Near the limit
41	0.26	0.5	Below the limit
42	0.16	0.5	Below the limit
43	0.62	0.5	Above the limit
44	0.28	0.5	Below the limit
45	0.24	0.5	Below the limit
46	0.13	0.5	Below the limit
47	0.34	0.5	Below the limit
48	0.25	0.5	Below the limit
49	0.48	0.5	Near the limit
50	0.23	0.5	Below the limit
51	0.24	0.5	Below the limit
52	0.28	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 33, 2025
Other treatment1 pen · Optilicer
Week 32, 2025
Other treatment1 pen · Optilicer
Week 29, 2025
Thermal delousing2 pens
Week 24, 2025
Other treatment2 pens · Optilicer

Show all 16

Week 23, 2025
Other treatment, Thermal delousing2 pens · Optilicer
Week 15, 2025
Other treatment4 pens · Optilicer
Week 14, 2025
Other treatment1 pen · Optilicer
Week 12, 2025
Other treatment1 pen · Optilicer
Week 11, 2025
Other treatment3 pens · Optilicer
Week 2, 2025
Other treatment4 pens · Optilicer
Week 51, 2024
Other treatment1 pen · Optilicer
Week 50, 2024
Other treatment3 pens · Optilicer
Week 46, 2024
Other treatment1 pen · Optilicer
Week 45, 2024
Other treatment3 pens · Optilicer
Week 41, 2024
Other treatment4 pens · Optilicer
Week 37, 2024
Other treatment2 pens · Ferskvannsbehandling

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

1 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
25 Aug 2026	Seifjell	Haugsnesvåg	2 h 45 min
05 Aug 2025	Firda Savior	Nesevågen	7 h 7 min
20 Jul 2025	Firda Savior	Nesevågen	9 h 4 min
20 Jul 2025	Firda Eir	no other farm	13 h 47 min
17 Jul 2025	Firda Eir	no other farm	12 h 20 min
16 Jul 2025	Firda Eir	no other farm	10 h 14 min
15 Jul 2025	Firda Eir	no other farm	42 min
15 Jul 2025	Firda Savior	no other farm	3 h 41 min
15 Jul 2025	Firda Eir	no other farm	8 h 24 min
14 Jul 2025	Firda Eir	no other farm	9 h 30 min
08 Apr 2025	Firda Savior	Nesevågen	5 h 23 min
17 Mar 2025	Firda Savior	Nesevågen	9 h 55 min

Show 5 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
15 Mar 2025	Firda Savior	no other farm	12 h 25 min
10 Mar 2025	Firda Savior	Lyngholmen	10 h 16 min
13 Oct 2024	Firda Savior	Hardbakkeneset	1 h 18 min
13 Sep 2024	Ro Venture	Kviteskjeret	9 h 6 min
26 Jul 2024	Seifjell	Jibbersholmane	3 h 33 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 31, 2024	Week 34, 2025
Firda Havbruk AS	Week 36, 2026	Week 39, 2026

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

Licences

Site MAB: 3,120 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
VL G 0006	Undervisning / matfiskSalmon, Rainbow trout, Trout	780 t	Vestland Fylkeskommune

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