Hestvik

Site 45080 · Rødøy municipality · Production area 8, Helgeland til Bodø

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

0.38Adult 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 39 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

6Lice treatments in 2026Latest: Mechanical delousing, week 36, 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

3Wellboat visits in 2026by 2 different vessels · latest 05 Sep 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.

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	0.08	0.5	Below the limit
2	0.09	0.5	Below the limit
3	0.13	0.5	Below the limit
4	0.17	0.5	Below the limit
5	0.22	0.5	Below the limit
6	0.11	0.5	Below the limit
7	0.09	0.5	Below the limit
8	0.03	0.5	Below the limit
9	0.08	0.5	Below the limit
10	0.05	0.5	Below the limit
11	0.10	0.5	Below the limit
12	0.07	0.5	Below the limit
13	0.10	0.5	Below the limit
14	0.13	0.5	Below the limit
15	0.15	0.5	Below the limit
16	0.16	0.5	Below the limit
17	0.16	0.5	Below the limit
18	0.18	0.5	Below the limit
19	0.20	0.5	Below the limit
20	0.23	0.5	Below the limit
21	0.00	0.2	Below the limit
22	0.05	0.2	Below the limit
23	0.09	0.2	Below the limit
24	0.11	0.2	Below the limit
25	0.16	0.2	Below the limit
26	0.18	0.2	Near the limit
27	0.06	0.5	Below the limit
28	0.08	0.5	Below the limit
29	0.16	0.5	Below the limit
30	0.23	0.5	Below the limit
31	0.28	0.5	Below the limit
32	0.07	0.5	Below the limit
33	0.19	0.5	Below the limit
34	0.39	0.5	Below the limit
35	0.45	0.5	Near the limit
36	0.23	0.5	Below the limit
37	0.25	0.5	Below the limit
38	0.30	0.5	Below the limit
39	0.38	0.5	Below the limit

Earlier years

20250 of 18 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	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	0.5	Not reported
17	unknown	0.5	Not reported
18	unknown	0.5	Not reported
19	unknown	0.5	Not reported
20	unknown	0.5	Not reported
21	unknown	0.2	Not reported
22	unknown	0.2	Not reported
23	unknown	0.2	Not reported
24	unknown	0.2	Not reported
25	unknown	0.2	Not reported
26	unknown	0.2	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	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	0.02	0.5	Below the limit
41	0.01	0.5	Below the limit
42	0.01	0.5	Below the limit
43	0.03	0.5	Below the limit
44	0.03	0.5	Below the limit
45	0.08	0.5	Below the limit
46	0.07	0.5	Below the limit
47	0.13	0.5	Below the limit
48	0.08	0.5	Below the limit
49	0.09	0.5	Below the limit
50	0.07	0.5	Below the limit
51	0.03	0.5	Below the limit
52	0.08	0.5	Below the limit

20241 of 47 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	0.10	0.5	Below the limit
2	0.12	0.5	Below the limit
3	0.13	0.5	Below the limit
4	0.14	0.5	Below the limit
5	0.12	0.5	Below the limit
6	0.15	0.5	Below the limit
7	0.15	0.5	Below the limit
8	0.06	0.5	Below the limit
9	0.11	0.5	Below the limit
10	0.28	0.5	Below the limit
11	0.28	0.5	Below the limit
12	0.26	0.5	Below the limit
13	0.27	0.5	Below the limit
14	0.30	0.5	Below the limit
15	0.34	0.5	Below the limit
16	0.34	0.5	Below the limit
17	0.35	0.5	Below the limit
18	0.29	0.5	Below the limit
19	0.01	0.5	Below the limit
20	0.09	0.5	Below the limit
21	0.08	0.2	Below the limit
22	0.07	0.2	Below the limit
23	0.06	0.2	Below the limit
24	0.06	0.2	Below the limit
25	0.14	0.2	Below the limit
26	0.05	0.2	Below the limit
27	0.16	0.5	Below the limit
28	0.19	0.5	Below the limit
29	0.25	0.5	Below the limit
30	0.08	0.5	Below the limit
31	0.23	0.5	Below the limit
32	0.39	0.5	Below the limit
33	0.09	0.5	Below the limit
34	0.43	0.5	Near the limit
35	0.69	0.5	Above the limit
36	0.22	0.5	Below the limit
37	0.21	0.5	Below the limit
38	0.46	0.5	Near the limit
39	0.40	0.5	Near the limit
40	0.32	0.5	Below the limit
41	0.39	0.5	Below the limit
42	0.39	0.5	Below the limit
43	0.45	0.5	Near the limit
44	0.18	0.5	Below the limit
45	0.08	0.5	Below the limit
46	0.26	0.5	Below the limit
47	0.40	0.5	Near the limit
48	unknown	0.5	Reported without a count
49	unknown	0.5	Reported without a count
50	unknown	0.5	Reported without a count
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

20230 of 13 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
40	0.00	0.5	Below the limit
41	0.17	0.5	Below the limit
42	0.21	0.5	Below the limit
43	0.20	0.5	Below the limit
44	0.20	0.5	Below the limit
45	0.21	0.5	Below the limit
46	0.15	0.5	Below the limit
47	0.14	0.5	Below the limit
48	0.11	0.5	Below the limit
49	0.15	0.5	Below the limit
50	0.12	0.5	Below the limit
51	0.11	0.5	Below the limit
52	0.11	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 36, 2026
Mechanical delousing4 pens
Week 31, 2026
Mechanical delousingWhole site
Week 26, 2026
Thermal delousing6 pens
Week 20, 2026
Mechanical delousingWhole site

Show all 20

Week 6, 2026
Thermal delousing5 pens
Week 5, 2026
Thermal delousing1 pen
Week 42, 2025
Medicinal feed3 pens · Emamectin benzoat
Week 41, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 40, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 44, 2024
Mechanical delousing4 pens
Week 40, 2024
Thermal delousing2 pens
Week 39, 2024
Thermal delousing3 pens
Week 36, 2024
Mechanical delousingWhole site
Week 32, 2024
Mechanical delousing5 pens
Week 30, 2024
Thermal delousing1 pen
Week 29, 2024
Thermal delousing5 pens
Week 25, 2024
Mechanical delousing3 pens
Week 18, 2024
Mechanical delousing5 pens
Week 41, 2023
Medicinal feedWhole site · Emamectin benzoat
Week 40, 2023
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

3 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
05 Sep 2026	Ronja Heroy	Nøklan	22 h 54 min
26 Jun 2026	Ronja Boroy	Matvika	56 h 49 min
01 Feb 2026	Ronja Boroy	Lian	41 h 45 min
24 Aug 2025	Ronja Havsoy	Hestøy	3 h 40 min
22 Aug 2025	Ronja Havsoy	Hestøy	1 h 8 min
20 Aug 2025	Ronja Havsoy	Hestøy	2 h 28 min
07 Dec 2024	Ro Master	Hestøy	2 h 17 min
04 Dec 2024	Ro Master	Hestøy	1 h 40 min
17 Nov 2024	Ro Master	Hestøy	1 h 32 min
16 Nov 2024	Ro Master	Storskjæret	2 h 13 min
03 Nov 2024	Ro Master	Hestøy	2 h 9 min
29 Oct 2024	Ro Master	Storskjæret	2 h 52 min

Show 15 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
05 Oct 2024	Ro Master	Hestøy	1 h 22 min
01 Oct 2024	Ro North	Kalvik	8 h 1 min
30 Sep 2024	Ro North	Kalvik	1 h 56 min
30 Sep 2024	Ro North	Kalvik	55 min
30 Sep 2024	Ro North	Kalvik	37 min
30 Sep 2024	Ro North	Kalvik	9 h 8 min
29 Sep 2024	Ro North	Kalvik	22 h 49 min
21 Sep 2024	Ro Master	Hestøy	1 h 30 min
20 Jul 2024	Ro North	Lian	39 h 8 min
19 Jul 2024	Ro North	Lian	7 h 23 min
22 Jun 2024	Ronja Heroy	Kjelneset	23 h 9 min
05 May 2024	Ronja Heroy	Hestøy	16 h 54 min
03 May 2024	Ronja Heroy	Hestøy	11 h 55 min
03 May 2024	Ronja Heroy	Hestøy	2 h 28 min
02 May 2024	Ronja Heroy	Hestøy	11 h 20 min

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

Licences

Site MAB: 3,600 tonnes

Licence	Type	Capacity	Holder
N L 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N L 0010	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N ME 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Nova Sea Havbruk AS
N ME 0028	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Nova Sea Havbruk AS
N R 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Nova Sea Havbruk AS
N R 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N R 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Nova Sea Havbruk AS
N R 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Nova Sea Havbruk AS
N R 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N R 0029	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N R 0030	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Nova Sea Havbruk AS

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