Hegnes

Site 13838 · Fjaler municipality · Production area 4, Nordhordland til Stadt

Below the lice limit, week 39Operated by Mowi Seawater Norway AS · group Mowi

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 8 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 04 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	0.00	0.5	Below the limit
33	0.00	0.5	Below the limit
34	0.00	0.5	Below the limit
35	0.00	0.5	Below the limit
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 37 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	0.20	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	0.03	0.5	Below the limit
8	0.10	0.5	Below the limit
9	0.05	0.5	Below the limit
10	0.17	0.5	Below the limit
11	0.28	0.5	Below the limit
12	0.35	0.5	Below the limit
13	0.43	0.5	Near 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	0.08	0.2	Below the limit
19	0.08	0.2	Below the limit
20	0.03	0.2	Below the limit
21	0.03	0.2	Below the limit
22	0.05	0.5	Below the limit
23	0.03	0.5	Below the limit
24	0.17	0.5	Below the limit
25	0.32	0.5	Below the limit
26	0.01	0.5	Below the limit
27	0.03	0.5	Below the limit
28	0.05	0.5	Below the limit
29	0.05	0.5	Below the limit
30	0.05	0.5	Below the limit
31	0.15	0.5	Below the limit
32	0.22	0.5	Below the limit
33	0.38	0.5	Below the limit
34	0.03	0.5	Below the limit
35	0.03	0.5	Below the limit
36	0.23	0.5	Below the limit
37	0.32	0.5	Below the limit
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 21 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	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	0.00	0.5	Below the limit
33	0.00	0.5	Below the limit
34	0.00	0.5	Below the limit
35	0.00	0.5	Below the limit
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
40	0.00	0.5	Below the limit
41	0.00	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.00	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.00	0.5	Below the limit
46	0.05	0.5	Below the limit
47	0.05	0.5	Below the limit
48	0.05	0.5	Below the limit
49	0.08	0.5	Below the limit
50	0.05	0.5	Below the limit
51	0.08	0.5	Below the limit
52	0.13	0.5	Below the limit

20230 of 6 weeks with a count above the limit (data from week 40)

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, 2023
Week	Adult female lice per fish	Lice limit	Status
39	0.20	0.5	Below the limit
40	0.35	0.5	Below the limit
41	0.40	0.5	Near the limit
42	0.42	0.5	Near the limit
43	0.10	0.5	Below the limit
44	0.25	0.5	Below the limit
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

Treatments

Norwegian Food Safety Authority

Week 34, 2025
Mechanical delousingWhole site
Week 26, 2025
Mechanical delousing1 pen
Week 25, 2025
Mechanical delousing1 pen
Week 14, 2025
Thermal delousingWhole site

Show all 7

Week 2, 2025
Thermal delousing1 pen
Week 1, 2025
Thermal delousing1 pen
Week 43, 2023
Mechanical delousingWhole site

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
04 Aug 2026	Ronja Evolution	Persflua	5 h 39 min
28 Sep 2025	Froy Jarl	Oksebåsen V	2 h 16 min
25 Sep 2025	Rostein	Porsvika	1 h 48 min
25 Sep 2025	Robas	Bleket	33 min
22 Aug 2025	Ronja Mistral	Kyravika	1 h 9 min
21 Aug 2025	Ronja Mistral	Kyravika	1 h 43 min
20 Aug 2025	Ronja Mistral	Grunneneset	20 h 52 min
11 Aug 2025	Ro Fjord	Eggesbønes	1 h 19 min
10 Jul 2025	Ro West	Kyravika	42 min
07 Jul 2025	Ronja Boroy	Eggesbønes	3 h 16 min
23 Jun 2025	Ronja Mistral	Voldnes	10 h 42 min
22 Jun 2025	Ronja Mistral	Voldnes	6 h 55 min

Show 7 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
21 Jun 2025	Ronja Mistral	Voldnes	20 h 18 min
20 Jun 2025	Ronja Mistral	Voldnes	2 h 18 min
05 Apr 2025	Ro West	Sandvika	1 h 34 min
04 Apr 2025	Ro West	Sandvika	51 min
03 Apr 2025	Ro West	Sandvika	19 h 37 min
05 Jan 2025	Hordagut	Kyravika	10 h 58 min
04 Aug 2024	Ronja Evolution	Svellungen	2 h 46 min

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

Licences

Site MAB: 1,560 tonnes

Licence	Type	Capacity	Holder
SF FL 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Mowi Seawater Norway AS
SF FL 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Mowi Seawater Norway AS

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