Gjerset V

Site 31717 · Haram municipality · Production area 5, Stadt til Hustadvika

Below the lice limit, week 39Operated by Salmar Farming AS · group SalMar

Broodstock site: the limit may differ from the general one.

0.11Adult 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 count · broodstock: limit may differCalculated 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

5Wellboat visits in 2026by 3 different vessels · latest 26 Aug 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported1,901 salmon, July 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. Broodstock site: the limit may differ from the general one.

2026

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026Broodstock site: the limit may differ from the general one.

Show as table

Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.00	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	0.00	0.5	Below the limit
9	0.00	0.5	Below the limit
10	0.00	0.5	Below the limit
11	0.00	0.5	Below the limit
12	0.00	0.5	Below the limit
13	0.03	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	0.03	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	0.00	0.5	Below the limit
24	0.02	0.5	Below the limit
25	0.07	0.5	Below the limit
26	0.03	0.5	Below the limit
27	0.05	0.5	Below the limit
28	0.02	0.5	Below the limit
29	0.02	0.5	Below the limit
30	0.07	0.5	Below the limit
31	0.02	0.5	Below the limit
32	0.05	0.5	Below the limit
33	0.06	0.5	Below the limit
34	0.10	0.5	Below the limit
35	0.09	0.5	Below the limit
36	0.11	0.5	Below the limit
37	0.14	0.5	Below the limit
38	0.20	0.5	Below the limit
39	0.11	0.5	Below the limit

Earlier years

20250 of 42 weeks with a count above the limit

Show as table

Adult female lice per fish per week, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.32	0.5	Below the limit
2	0.18	0.5	Below the limit
3	0.23	0.5	Below the limit
4	0.35	0.5	Below the limit
5	0.35	0.5	Below the limit
6	0.37	0.5	Below the limit
7	0.40	0.5	Near the limit
8	0.30	0.5	Below the limit
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	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	0.00	0.5	Below the limit
24	0.00	0.5	Below the limit
25	0.00	0.5	Below the limit
26	0.00	0.5	Below the limit
27	0.00	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.00	0.5	Below the limit
30	0.10	0.5	Below the limit
31	0.05	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	0.20	0.5	Below the limit
36	0.10	0.5	Below the limit
37	0.15	0.5	Below the limit
38	0.20	0.5	Below the limit
39	0.15	0.5	Below the limit
40	0.08	0.5	Below the limit
41	0.00	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.03	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.00	0.5	Below the limit
46	0.08	0.5	Below the limit
47	0.00	0.5	Below the limit
48	0.00	0.5	Below the limit
49	0.00	0.5	Below the limit
50	0.00	0.5	Below the limit
51	0.00	0.5	Below the limit
52	0.00	0.5	Below the limit

20241 of 51 weeks with a count above the limit

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Adult female lice per fish per week, 2024
Week	Adult female lice per fish	Lice limit	Status
1	0.03	0.5	Below the limit
2	0.03	0.5	Below the limit
3	0.02	0.5	Below the limit
4	0.05	0.5	Below the limit
5	0.10	0.5	Below the limit
6	0.12	0.5	Below the limit
7	0.02	0.5	Below the limit
8	0.12	0.5	Below the limit
9	0.07	0.5	Below the limit
10	0.08	0.5	Below the limit
11	0.13	0.5	Below the limit
12	0.10	0.5	Below the limit
13	0.15	0.5	Below the limit
14	0.12	0.5	Below the limit
15	0.07	0.5	Below the limit
16	0.04	0.2	Below the limit
17	0.03	0.2	Below the limit
18	0.08	0.2	Below the limit
19	0.06	0.2	Below the limit
20	0.05	0.2	Below the limit
21	0.10	0.2	Below the limit
22	0.04	0.5	Below the limit
23	0.10	0.5	Below the limit
24	0.13	0.5	Below the limit
25	0.15	0.5	Below the limit
26	0.18	0.5	Below the limit
27	0.42	0.5	Near the limit
28	0.42	0.5	Near the limit
29	1.38	0.5	Above the limit
30	0.19	0.5	Below the limit
31	0.33	0.5	Below the limit
32	0.45	0.5	Near the limit
33	unknown	0.5	Not reported
34	0.48	0.5	Near the limit
35	0.45	0.5	Near the limit
36	0.23	0.5	Below the limit
37	0.28	0.5	Below the limit
38	0.39	0.5	Below the limit
39	0.08	0.5	Below the limit
40	0.18	0.5	Below the limit
41	0.28	0.5	Below the limit
42	0.43	0.5	Near the limit
43	0.45	0.5	Near the limit
44	0.48	0.5	Near the limit
45	0.48	0.5	Near the limit
46	0.48	0.5	Near the limit
47	0.32	0.5	Below the limit
48	0.32	0.5	Below the limit
49	0.13	0.5	Below the limit
50	0.26	0.5	Below the limit
51	0.07	0.5	Below the limit
52	0.22	0.5	Below the limit

20230 of 13 weeks with a count above the limit (data from week 40)

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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	0.00	0.5	Below the limit
42	0.03	0.5	Below the limit
43	0.08	0.5	Below the limit
44	0.05	0.5	Below the limit
45	0.07	0.5	Below the limit
46	0.03	0.5	Below the limit
47	0.07	0.5	Below the limit
48	0.08	0.5	Below the limit
49	0.02	0.5	Below the limit
50	0.00	0.5	Below the limit
51	0.00	0.5	Below the limit
52	0.08	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 36, 2025
Mechanical delousingWhole site
Week 47, 2024
Other treatment2 pens · Busch vakumpumpe
Week 39, 2024
Other treatment1 pen · Busch vakumpumpe
Week 38, 2024
Other treatment1 pen · Hydrolicer

Show all 9

Week 36, 2024
Other treatment2 pens · Busch vakumpumpe
Week 34, 2024
Other treatment1 pen · Hydrolicer
Week 30, 2024
Other treatment3 pens · Hydrolicer
Week 28, 2024
Other treatment2 pens · Hydrolicer
Week 15, 2024
Other treatment2 pens · Optiflush

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

23 Jul 2017
1,901 salmon escapedCause: Ikke avklart · recaptured 1 · Directorate of Fisheries

Wellboat visits

5 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
26 Aug 2026	Robas	Skiftesneset N	1 h 40 min
03 Aug 2026	Ro Master	Hesteneset	2 h 32 min
13 Jul 2026	Ro Master	Rindarøy	1 h 58 min
17 Jun 2026	Ro Master	Hesteneset	1 h 17 min
26 May 2026	Froy Odin	Nordskag	23 h 19 min
02 Dec 2025	Ro Server	Opshaugvik Land	17 h 7 min
11 Oct 2025	Ro Fjell	Opshaugvik Land	8 h 53 min
04 Oct 2025	Ronja Aurora	Gjæsingen	55 min
03 Sep 2025	Ro Fjell	Skjortneset II	7 h 9 min
19 Feb 2025	Ro Senja	Sandnesbukta	1 h 52 min
18 Feb 2025	Ro Senja	Lybergsvika	1 h 36 min
17 Feb 2025	Ro Spirit	Gjerde	2 h 57 min

Show 12 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
20 Dec 2024	Ro Vision	Hosenøyan	1 h 56 min
08 Dec 2024	Ro Vision	Opshaugvik Land	16 h 31 min
07 Sep 2024	Rostein	Rindarøy	1 h 25 min
10 Aug 2024	Rostein	Ospeneset	1 h 23 min
10 Aug 2024	Rostein	Ospeneset	2 h 25 min
11 Jul 2024	Ro Vision	Seterneset	9 h 56 min
10 Jul 2024	Ro Vision	Seterneset	9 h 37 min
03 Jul 2024	Robas	Rindarøy	1 h 58 min
02 Jul 2024	Robas	Vartdal	1 h 34 min
02 Jul 2024	Robas	Vartdal	3 h 59 min
14 Apr 2024	Ro Senja	Lausund	10 h 25 min
13 Apr 2024	Ro Senja	Lausund	2 h 4 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
M RA 0017	Kommersiell / stamfiskSalmon	780 t	Salmar Farming AS
M RA 0018	Kommersiell / stamfiskSalmon	780 t	Salmar Farming AS

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