Sjølsvik

Site 12892 · Gjemnes municipality · Production area 6, Nordmøre og Sør-Trøndelag

Below the lice limit, week 39Operated by Lerøy Midt Sjø AS · group Lerøy Seafood Group

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 3 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 10 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 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	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	unknown	0.5	Not reported
33	unknown	0.5	Not reported
34	unknown	0.5	Not reported
35	unknown	0.5	Not reported
36	unknown	0.5	Not reported
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 48 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	0.13	0.5	Below the limit
2	0.14	0.5	Below the limit
3	0.09	0.5	Below the limit
4	0.28	0.5	Below the limit
5	0.43	0.5	Near the limit
6	0.14	0.5	Below the limit
7	0.05	0.5	Below the limit
8	0.06	0.5	Below the limit
9	0.20	0.5	Below the limit
10	0.33	0.5	Below the limit
11	0.09	0.5	Below the limit
12	0.08	0.5	Below the limit
13	0.08	0.5	Below the limit
14	0.04	0.5	Below the limit
15	0.05	0.5	Below the limit
16	0.06	0.2	Below the limit
17	0.06	0.2	Below the limit
18	0.04	0.2	Below the limit
19	0.05	0.2	Below the limit
20	0.02	0.2	Below the limit
21	0.05	0.2	Below the limit
22	0.01	0.5	Below the limit
23	0.01	0.5	Below the limit
24	0.05	0.5	Below the limit
25	0.03	0.5	Below the limit
26	0.06	0.5	Below the limit
27	0.11	0.5	Below the limit
28	0.10	0.5	Below the limit
29	0.06	0.5	Below the limit
30	0.05	0.5	Below the limit
31	0.19	0.5	Below the limit
32	0.22	0.5	Below the limit
33	0.24	0.5	Below the limit
34	0.06	0.5	Below the limit
35	0.09	0.5	Below the limit
36	0.22	0.5	Below the limit
37	0.09	0.5	Below the limit
38	0.17	0.5	Below the limit
39	0.21	0.5	Below the limit
40	0.26	0.5	Below the limit
41	0.06	0.5	Below the limit
42	0.13	0.5	Below the limit
43	0.32	0.5	Below the limit
44	0.11	0.5	Below the limit
45	0.15	0.5	Below the limit
46	0.21	0.5	Below the limit
47	0.32	0.5	Below the limit
48	0.49	0.5	Near the limit
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 27 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	0.00	0.5	Below the limit
2	0.19	0.5	Below the limit
3	0.20	0.5	Below the limit
4	0.17	0.5	Below the limit
5	0.18	0.5	Below the limit
6	0.22	0.5	Below the limit
7	0.27	0.5	Below the limit
8	0.43	0.5	Near the limit
9	0.47	0.5	Near the limit
10	0.43	0.5	Near the limit
11	0.45	0.5	Near the limit
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	unknown	0.5	Not reported
33	unknown	0.5	Not reported
34	unknown	0.5	Not reported
35	unknown	0.5	Not reported
36	unknown	0.5	Not reported
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	0.09	0.5	Below the limit
44	0.06	0.5	Below the limit
45	0.15	0.5	Below the limit
46	0.14	0.5	Below the limit
47	0.10	0.5	Below the limit
48	0.21	0.5	Below the limit
49	0.10	0.5	Below the limit
50	0.13	0.5	Below the limit
51	0.19	0.5	Below the limit
52	0.13	0.5	Below the limit

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	0.36	0.5	Below the limit
41	0.30	0.5	Below the limit
42	0.20	0.5	Below the limit
43	0.06	0.5	Below the limit
44	0.02	0.5	Below the limit
45	0.10	0.5	Below the limit
46	0.27	0.5	Below the limit
47	0.24	0.5	Below the limit
48	0.35	0.5	Below the limit
49	0.05	0.5	Below the limit
50	0.00	0.5	Below the limit
51	0.03	0.5	Below the limit
52	0.05	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 44, 2025
Mechanical delousing4 pens
Week 41, 2025
Mechanical delousing4 pens
Week 37, 2025
Mechanical delousing4 pens
Week 34, 2025
Mechanical delousingWhole site

Show all 12

Week 20, 2025
Mechanical delousing4 pens
Week 12, 2025
Mechanical delousing, Freshwater treatment2 pens
Week 11, 2025
Mechanical delousing, Freshwater treatment6 pens
Week 6, 2025
Medicinal bathWhole site · Azamethiphos
Week 49, 2023
Mechanical delousing, Freshwater treatment4 pens
Week 48, 2023
Mechanical delousing, Freshwater treatment4 pens
Week 43, 2023
Mechanical delousing, Freshwater treatment2 pens
Week 42, 2023
Freshwater treatment, Mechanical delousing4 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

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
10 Sep 2026	Viknatrans	Høybuvika	5 h 11 min
21 Dec 2025	Kristiansund	Naustneset	1 h 51 min
15 Dec 2025	Kristiansund	Slåttholmen	1 h 30 min
10 Dec 2025	Kristiansund	Høybuvika	1 h 22 min
09 Dec 2025	Kristiansund	Høybuvika	2 h 9 min
08 Dec 2025	Kristiansund	Høybuvika	1 h 59 min
29 Nov 2025	Froy Hovding	Badstuvika	11 h 9 min
16 Nov 2025	Froey Viking	Ulværholmen	2 h 49 min
27 Oct 2025	Kristiansund	Reitholmen	1 h 37 min
05 Oct 2025	Froey Viking	Vullum	4 h 1 min
21 Sep 2025	Tonny	Endreset	1 h 31 min
13 Sep 2025	Froy Hovding	Ulværholmen	18 h 49 min

Show 23 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
21 Aug 2025	Kristiansund	Naustneset	47 h 22 min
18 May 2025	Froy Hovding	Fætten	18 h 42 min
17 Mar 2025	Froy Hovding	Bogen	3 h 58 min
16 Mar 2025	Froy Hovding	Bogen	18 h 12 min
15 Mar 2025	Froy Hovding	Bogen	14 h 3 min
08 Feb 2025	Froey Viking	Naustneset	2 h 30 min
08 Feb 2025	Froey Viking	Naustneset	4 h 14 min
08 Feb 2025	Froey Viking	Naustneset	2 h 0 min
07 Feb 2025	Froey Viking	Naustneset	2 h 23 min
07 Feb 2025	Froey Viking	Naustneset	3 h 13 min
04 Oct 2024	Neptun	no other farm	4 h 4 min
25 Sep 2024	Smola Vag	Hendneset	4 h 23 min
24 Sep 2024	Smola Vag	Hendneset	1 h 18 min
14 Sep 2024	Viknatrans	Storøya Nø	2 h 10 min
04 Apr 2024	Froy Hovding	Naustneset	2 h 4 min
03 Apr 2024	Kristiansund	Naustneset	6 h 35 min
02 Apr 2024	Froy Hovding	Naustneset	2 h 36 min
01 Apr 2024	Kristiansund	Naustneset	4 h 42 min
19 Mar 2024	Kristiansund	Naustneset	1 h 23 min
17 Mar 2024	Kristiansund	Naustneset	50 min
15 Feb 2024	Kristiansund	Naustneset	2 h 0 min
14 Feb 2024	Kristiansund	Naustneset	1 h 35 min
13 Jan 2024	Tonny	Kjørsvikgrunn	1 h 46 min

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

Licences

Site MAB: 2,340 tonnes

Licence	Type	Capacity	Holder
M FI 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Lerøy Midt Sjø AS
M FI 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Lerøy Midt Sjø AS
M FI 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Lerøy Midt Sjø AS
M FI 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Lerøy Midt Sjø AS

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