Hardbakkeneset

Site 38217 · Gulen municipality · Production area 4, Nordhordland til Stadt

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

0.25Adult 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 36 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

3Lice treatments in 2026Latest: Thermal delousing, week 28, 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

7Wellboat visits in 2026by 3 different vessels · latest 09 Jul 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	unknown	0.5	Reported without a count
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	0.03	0.5	Below the limit
12	0.03	0.5	Below the limit
13	0.03	0.5	Below the limit
14	0.03	0.5	Below the limit
15	0.03	0.5	Below the limit
16	0.05	0.2	Below the limit
17	0.10	0.2	Below the limit
18	0.05	0.2	Below the limit
19	0.07	0.2	Below the limit
20	0.04	0.2	Below the limit
21	0.13	0.2	Below the limit
22	0.11	0.5	Below the limit
23	0.10	0.5	Below the limit
24	0.27	0.5	Below the limit
25	0.30	0.5	Below the limit
26	0.32	0.5	Below the limit
27	0.48	0.5	Near the limit
28	0.12	0.5	Below the limit
29	0.10	0.5	Below the limit
30	0.02	0.5	Below the limit
31	0.02	0.5	Below the limit
32	0.04	0.5	Below the limit
33	0.14	0.5	Below the limit
34	0.07	0.5	Below the limit
35	0.28	0.5	Below the limit
36	0.22	0.5	Below the limit
37	0.18	0.5	Below the limit
38	0.16	0.5	Below the limit
39	0.25	0.5	Below the limit

Earlier years

20250 of 35 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	0.22	0.5	Below the limit
2	0.34	0.5	Below the limit
3	0.48	0.5	Near the limit
4	0.14	0.5	Below the limit
5	0.44	0.5	Near the limit
6	0.16	0.5	Below the limit
7	0.08	0.5	Below the limit
8	0.08	0.5	Below the limit
9	0.06	0.5	Below the limit
10	0.24	0.5	Below the limit
11	0.30	0.5	Below the limit
12	0.24	0.5	Below the limit
13	0.18	0.5	Below the limit
14	0.06	0.5	Below the limit
15	0.07	0.5	Below the limit
16	0.14	0.2	Below the limit
17	0.10	0.2	Below the limit
18	0.07	0.2	Below the limit
19	0.08	0.2	Below the limit
20	0.17	0.2	Near the limit
21	0.17	0.2	Near the limit
22	0.05	0.5	Below the limit
23	0.30	0.5	Below the limit
24	0.00	0.5	Below the limit
25	unknown	0.5	Reported without a count
26	0.10	0.5	Below the limit
27	0.25	0.5	Below the limit
28	0.20	0.5	Below the limit
29	0.35	0.5	Below the limit
30	0.30	0.5	Below the limit
31	0.30	0.5	Below the limit
32	0.30	0.5	Below the limit
33	0.30	0.5	Below the limit
34	0.30	0.5	Below the limit
35	0.45	0.5	Near the limit
36	0.48	0.5	Near the limit
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

20245 of 41 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	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	0.00	0.2	Below the limit
18	0.00	0.2	Below the limit
19	0.00	0.2	Below the limit
20	0.00	0.2	Below the limit
21	0.00	0.2	Below the limit
22	0.00	0.5	Below the limit
23	0.02	0.5	Below the limit
24	0.00	0.5	Below the limit
25	0.00	0.5	Below the limit
26	0.02	0.5	Below the limit
27	0.12	0.5	Below the limit
28	0.20	0.5	Below the limit
29	0.34	0.5	Below the limit
30	0.41	0.5	Near the limit
31	0.25	0.5	Below the limit
32	0.23	0.5	Below the limit
33	0.49	0.5	Near the limit
34	0.84	0.5	Above the limit
35	0.11	0.5	Below the limit
36	0.25	0.5	Below the limit
37	0.32	0.5	Below the limit
38	0.68	0.5	Above the limit
39	2.60	0.5	Above the limit
40	0.48	0.5	Near the limit
41	0.30	0.5	Below the limit
42	0.50	0.5	Above the limit
43	1.34	0.5	Above the limit
44	0.27	0.5	Below the limit
45	0.43	0.5	Near the limit
46	0.18	0.5	Below the limit
47	0.14	0.5	Below the limit
48	0.14	0.5	Below the limit
49	0.04	0.5	Below the limit
50	0.10	0.5	Below the limit
51	0.22	0.5	Below the limit
52	0.20	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 28, 2026
Thermal delousing3 pens
Week 16, 2026
Medicinal feedEmamectin benzoat
Week 8, 2026
Medicinal feedWhole site · Emamectin benzoat
Week 22, 2025
Other treatment1 pen · Optilicer

Show all 19

Week 21, 2025
Other treatment2 pens · Optilicer
Week 16, 2025
Other treatment1 pen · Optilicer
Week 14, 2025
Other treatment1 pen · Optilicer
Week 13, 2025
Other treatment2 pens · Optilicer
Week 12, 2025
Other treatment1 pen · Optilicer
Week 6, 2025
Other treatment1 pen · Optilicer
Week 5, 2025
Other treatment1 pen · Optilicer
Week 4, 2025
Other treatment4 pens · Optilicer
Week 49, 2024
Other treatment2 pens · Optilicer
Week 45, 2024
Other treatment1 pen · Optilicer
Week 44, 2024
Other treatment4 pens · Optilicer
Week 41, 2024
Other treatment1 pen · Optilicer
Week 40, 2024
Other treatment4 pens · Optilicer
Week 35, 2024
Other treatment5 pens · Optilicer
Week 20, 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

7 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 Jul 2026	Horda Pioneer	Hageberg	11 h 55 min
08 Jul 2026	Horda Pioneer	Hageberg	9 h 44 min
24 Apr 2026	Seifjell	Gulholmen	1 h 6 min
13 Mar 2026	Seifjell	Rotøy	1 h 24 min
29 Jan 2026	Mowi Star	Hesteneset	1 h 7 min
06 Jan 2026	Mowi Star	Lyngholmen	1 h 3 min
05 Jan 2026	Mowi Star	Lyngholmen	49 min
25 May 2025	Firda Savior	Nesevågen	7 h 53 min
24 May 2025	Firda Savior	Nesevågen	12 h 1 min
19 Mar 2025	Firda Savior	Kjerringneset	1 h 35 min
09 Feb 2025	Firda Savior	Lyngholmen	11 h 33 min
30 Jan 2025	Firda Savior	Nesevågen	7 h 46 min

Show 13 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
04 Dec 2024	Firda Savior	Nesevågen	5 h 0 min
03 Dec 2024	Firda Savior	Nesevågen	6 h 21 min
24 Nov 2024	Firda Savior	Nesevågen	6 h 3 min
23 Nov 2024	Firda Savior	Nesevågen	6 h 45 min
21 Nov 2024	Firda Savior	Nesevågen	6 h 42 min
29 Oct 2024	Firda Savior	Nesevågen	4 h 44 min
12 Oct 2024	Firda Savior	Nesevågen	9 h 36 min
05 Oct 2024	Firda Savior	Nesevågen	7 h 26 min
02 Oct 2024	Firda Savior	Nesevågen	5 h 14 min
01 Sep 2024	Firda Savior	Nesevågen	8 h 10 min
24 May 2024	Seifjell	Midtflua	3 h 9 min
23 May 2024	Seifjell	Midtflua	2 h 58 min
21 Mar 2024	Mowi Star	Angelskår	58 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 12, 2024	Week 4, 2026
Firda Havbruk AS	Week 5, 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
H FE 0013	Kommersiell / matfiskSalmon, Rainbow trout, Trout	922 t	Tombre Fiskeanlegg AS
H ØN 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Blom Fiskeoppdrett AS
H ØN 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Blom Fiskeoppdrett 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 FL 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Sandnes Fiskeoppdrett AS
SF FL 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Sandnes Fiskeoppdrett AS
SF FL 0016	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Sandnes Fiskeoppdrett 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 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 H 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Erko Seafood AS
SF N 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Firda Havbruk AS
SF SU 0023	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Erko Seafood AS

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