Gjermundnes

Site 13852 · Vestnes municipality · Production area 5, Stadt til Hustadvika

Below the lice limit, week 39Operated by Prophylaxia AS · group unknown

0.23Adult 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 28 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

3Lice treatments in 2026Latest: Thermal delousing, week 37, 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

10Wellboat visits in 2026by 8 different vessels · latest 12 Sep 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported1 salmon, August 2017Since 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	0.17	0.5	Below the limit
2	0.25	0.5	Below the limit
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	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	0.05	0.5	Below the limit
24	0.10	0.5	Below the limit
25	0.11	0.5	Below the limit
26	0.15	0.5	Below the limit
27	0.12	0.5	Below the limit
28	0.23	0.5	Below the limit
29	0.23	0.5	Below the limit
30	0.41	0.5	Near the limit
31	0.46	0.5	Near the limit
32	0.09	0.5	Below the limit
33	0.15	0.5	Below the limit
34	0.22	0.5	Below the limit
35	0.23	0.5	Below the limit
36	0.40	0.5	Near the limit
37	0.07	0.5	Below the limit
38	0.14	0.5	Below the limit
39	0.23	0.5	Below the limit

Earlier years

20252 of 52 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	0.26	0.5	Below the limit
2	0.31	0.5	Below the limit
3	0.38	0.5	Below the limit
4	0.42	0.5	Near the limit
5	0.13	0.5	Below the limit
6	0.15	0.5	Below the limit
7	0.28	0.5	Below the limit
8	0.26	0.5	Below the limit
9	0.23	0.5	Below the limit
10	0.31	0.5	Below the limit
11	0.36	0.5	Below the limit
12	0.37	0.5	Below the limit
13	0.44	0.5	Near the limit
14	0.02	0.5	Below the limit
15	0.08	0.5	Below the limit
16	0.08	0.2	Below the limit
17	0.06	0.2	Below the limit
18	0.10	0.2	Below the limit
19	0.08	0.2	Below the limit
20	0.18	0.2	Near the limit
21	0.18	0.2	Near the limit
22	0.37	0.5	Below the limit
23	0.42	0.5	Near the limit
24	0.05	0.5	Below the limit
25	0.09	0.5	Below the limit
26	0.09	0.5	Below the limit
27	0.29	0.5	Below the limit
28	0.42	0.5	Near the limit
29	0.46	0.5	Near the limit
30	0.18	0.5	Below the limit
31	0.22	0.5	Below the limit
32	0.45	0.5	Near the limit
33	0.47	0.5	Near the limit
34	0.08	0.5	Below the limit
35	0.23	0.5	Below the limit
36	0.40	0.5	Near the limit
37	1.60	0.5	Above the limit
38	0.17	0.5	Below the limit
39	0.14	0.5	Below the limit
40	0.20	0.5	Below the limit
41	0.28	0.5	Below the limit
42	0.43	0.5	Near the limit
43	0.48	0.5	Near the limit
44	1.36	0.5	Above the limit
45	0.13	0.5	Below the limit
46	0.21	0.5	Below the limit
47	0.25	0.5	Below the limit
48	0.40	0.5	Near the limit
49	0.45	0.5	Near the limit
50	0.05	0.5	Below the limit
51	0.05	0.5	Below the limit
52	0.10	0.5	Below the limit

20240 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, 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	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	0.07	0.5	Below the limit
23	0.07	0.5	Below the limit
24	0.02	0.5	Below the limit
25	0.07	0.5	Below the limit
26	0.22	0.5	Below the limit
27	0.27	0.5	Below the limit
28	0.10	0.5	Below the limit
29	0.05	0.5	Below the limit
30	0.07	0.5	Below the limit
31	0.12	0.5	Below the limit
32	0.27	0.5	Below the limit
33	0.22	0.5	Below the limit
34	0.15	0.5	Below the limit
35	0.22	0.5	Below the limit
36	0.00	0.5	Below the limit
37	0.02	0.5	Below the limit
38	0.02	0.5	Below the limit
39	0.01	0.5	Below the limit
40	0.05	0.5	Below the limit
41	0.03	0.5	Below the limit
42	0.20	0.5	Below the limit
43	0.21	0.5	Below the limit
44	0.38	0.5	Below the limit
45	0.38	0.5	Below the limit
46	0.43	0.5	Near the limit
47	0.45	0.5	Near the limit
48	0.08	0.5	Below the limit
49	0.13	0.5	Below the limit
50	0.15	0.5	Below the limit
51	0.19	0.5	Below the limit
52	0.15	0.5	Below the limit

20230 of 10 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	0.05	0.5	Below the limit
41	0.20	0.5	Below the limit
42	0.30	0.5	Below the limit
43	0.33	0.5	Below the limit
44	0.35	0.5	Below the limit
45	0.35	0.5	Below the limit
46	0.30	0.5	Below the limit
47	0.25	0.5	Below the limit
48	0.35	0.5	Below the limit
49	0.40	0.5	Near the limit
50	unknown	0.5	Not reported
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

Treatments

Norwegian Food Safety Authority

Week 37, 2026
Thermal delousing3 pens
Week 32, 2026
Mechanical delousing2 pens
Week 25, 2026
Medicinal feed1 pen · Emamectin benzoat
Week 50, 2025
Freshwater treatment, Thermal delousing2 pens

Show all 12

Week 45, 2025
Thermal delousing2 pens
Week 38, 2025
Thermal delousing, Freshwater treatment12 pens
Week 34, 2025
Thermal delousing5 pens
Week 30, 2025
Thermal delousing5 pens
Week 24, 2025
Thermal delousing4 pens
Week 14, 2025
Thermal delousing6 pens
Week 5, 2025
Thermal delousing4 pens
Week 48, 2024
Freshwater treatment, Thermal delousing6 pens

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

18 Aug 2017
1 salmon escapedCause: Håndtering · recaptured 1 · Directorate of Fisheries

Wellboat visits

10 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
12 Sep 2026	Rostein	Hesteneset	6 h 7 min
11 Sep 2026	Rostein	Hesteneset	5 h 56 min
11 Sep 2026	Ro Server	Gnarnesvika	20 h 46 min
15 Aug 2026	Ro Spirit	no other farm	1 h 22 min
03 Aug 2026	Ro Sailor	Labukta V	5 h 23 min
08 Jun 2026	Ro Venture	Labukta V	3 h 18 min
03 May 2026	Robris	Skigelstrand	2 h 24 min
24 Apr 2026	Langsund	Steinvik	3 h 26 min
02 Apr 2026	Ro Spirit	Skjortneset II	51 min
28 Jan 2026	Ro Master	Rindarøy	1 h 25 min
11 Dec 2025	Ro Fjell	Gudmundset	2 h 20 min
03 Dec 2025	Rohav	Rindarøy	1 h 4 min

Show 38 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
03 Nov 2025	Ro Fjell	Gudmundset	7 h 53 min
26 Oct 2025	Rostein	Rindarøy	1 h 5 min
26 Oct 2025	Rostein	Kastevika	1 h 28 min
23 Oct 2025	Langsund	Rindarøy	1 h 10 min
15 Oct 2025	Langsund	Rindarøy	58 min
15 Oct 2025	Langsund	Rindarøy	1 h 29 min
24 Sep 2025	Tonny	Endreset	43 min
18 Sep 2025	Ro Fjell	Lybergsvika	18 h 5 min
17 Sep 2025	Ro Fjell	Lybergsvika	18 h 16 min
27 Aug 2025	Ro Master	Rindarøy	3 h 17 min
23 Aug 2025	Ro Fjell	Lausund	9 h 18 min
22 Aug 2025	Ro Fjell	Lausund	12 h 36 min
18 Aug 2025	Langsund	Gråtnes	37 min
18 Aug 2025	Langsund	Gråtnes	3 h 24 min
21 Jul 2025	Ro Fjell	Dryna	24 h 19 min
02 Jul 2025	Robas	Overåneset	4 h 46 min
02 Jul 2025	Langsund	no other farm	4 h 34 min
27 Jun 2025	Ro Master	Rindarøy	1 h 4 min
25 Jun 2025	Ro Master	Orholmen disease or zone there	1 h 1 min
10 May 2025	Tonny	Slettvika	52 min
18 Apr 2025	Ro Arctic	Sandholmane disease or zone there	1 h 30 min
15 Apr 2025	Ro Fortune	Gjerde	1 h 0 min
10 Apr 2025	Ro Fjord	Rindarøy	1 h 12 min
04 Apr 2025	Ro Venture	Skarbukta	13 h 56 min
03 Apr 2025	Ro Venture	Skarbukta	8 h 24 min
23 Feb 2025	Ro Chief	Guriøyna	4 h 12 min
03 Feb 2025	Ro Venture	Urdaneset	5 h 55 min
03 Feb 2025	Ro Venture	Urdaneset	11 h 14 min
11 Jan 2025	Ro Master	Hesteneset	4 h 34 min
14 Dec 2024	Ro Chief	Kraken	8 h 2 min
13 Dec 2024	Ro Chief	Kraken	3 h 31 min
05 Dec 2024	Langsund	Oddane	1 h 0 min
28 Nov 2024	Ro Fjell	Opshaugvik Land	9 h 40 min
19 Nov 2024	Tonny	Renndalen	50 min
29 Sep 2024	Robas	Oddane	52 min
21 Sep 2024	Ro Spirit	Mjønes	8 h 23 min
15 Jul 2024	Ro Server	no other farm	11 h 34 min
14 May 2024	Langsund	Måren	1 h 1 min

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

Licences

Site MAB: 3,120 tonnes

Licence	Type	Capacity	Holder
M SJ 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	734 t	Salmar Oppdrett AS
M SJ 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	734 t	Salmar Oppdrett AS
M SM 0041	Kommersiell / matfiskSalmon, Rainbow trout, Trout	769 t	Prophylaxia AS
M VS 0017	Kommersiell / økologisk matfiskSalmon, Rainbow trout, Trout	733 t	Salmar Oppdrett AS
M VS 0018	Kommersiell / økologisk matfiskSalmon, Rainbow trout, Trout	733 t	Salmar Oppdrett AS
M VS 0025	Kommersiell / matfisk-grønn cSalmon, Rainbow trout, Trout	780 t	Norsk Edelfisk Havbruk AS
M VS 0031	Utvikling / matfiskSalmon, Rainbow trout, Trout	780 t	Hofseth Development AS

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