Sjølyst

Site 13284 · Dønna municipality · Production area 8, Helgeland til Bodø

Below the lice limit, week 39Operated by Nordland Fylkeskommune · group unknown

0.04Adult female lice per fishLimit 0.50 · below the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

1Weeks above the limit in 2026of 24 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

1Lice treatments in 2026Latest: Mechanical delousing, week 3, 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

1Wellboat visits in 2026by 1 vessel · latest 04 Mar 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

2Escapes reported38 salmon, April 2018Since 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	0.47	0.5	Near the limit
2	0.40	0.5	Near the limit
3	0.31	0.5	Below the limit
4	0.38	0.5	Below the limit
5	0.25	0.5	Below the limit
6	0.57	0.5	Above the limit
7	0.28	0.5	Below the limit
8	unknown	0.5	Not reported
9	unknown	0.5	Reported without a count
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	0.00	0.2	Below the limit
23	unknown	0.2	Reported without a count
24	0.00	0.2	Below the limit
25	0.05	0.2	Below the limit
26	0.10	0.2	Below the limit
27	0.03	0.5	Below the limit
28	0.05	0.5	Below the limit
29	0.02	0.5	Below the limit
30	0.01	0.5	Below the limit
31	0.18	0.5	Below the limit
32	0.01	0.5	Below the limit
33	0.08	0.5	Below the limit
34	0.02	0.5	Below the limit
35	0.02	0.5	Below the limit
36	0.01	0.5	Below the limit
37	0.02	0.5	Below the limit
38	0.03	0.5	Below the limit
39	0.04	0.5	Below the limit

Earlier years

20253 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	0.45	0.5	Near the limit
2	0.23	0.5	Below the limit
3	0.20	0.5	Below the limit
4	0.41	0.5	Near the limit
5	0.43	0.5	Near the limit
6	0.48	0.5	Near the limit
7	0.20	0.5	Below the limit
8	0.28	0.5	Below the limit
9	0.29	0.5	Below the limit
10	0.30	0.5	Below the limit
11	0.10	0.5	Below the limit
12	0.18	0.5	Below the limit
13	0.25	0.5	Below the limit
14	0.10	0.5	Below the limit
15	0.12	0.5	Below the limit
16	0.29	0.5	Below the limit
17	0.31	0.5	Below the limit
18	0.18	0.5	Below the limit
19	0.27	0.5	Below the limit
20	0.02	0.5	Below the limit
21	0.04	0.2	Below the limit
22	0.02	0.2	Below the limit
23	0.05	0.2	Below the limit
24	0.13	0.2	Below the limit
25	0.17	0.2	Near the limit
26	0.13	0.2	Below the limit
27	0.38	0.5	Below the limit
28	0.18	0.5	Below the limit
29	0.06	0.5	Below the limit
30	0.49	0.5	Near the limit
31	0.28	0.5	Below the limit
32	0.43	0.5	Near the limit
33	0.31	0.5	Below the limit
34	0.24	0.5	Below the limit
35	0.30	0.5	Below the limit
36	0.23	0.5	Below the limit
37	0.22	0.5	Below the limit
38	0.63	0.5	Above the limit
39	0.46	0.5	Near the limit
40	1.05	0.5	Above the limit
41	0.28	0.5	Below the limit
42	0.30	0.5	Below the limit
43	0.26	0.5	Below the limit
44	0.15	0.5	Below the limit
45	0.20	0.5	Below the limit
46	0.23	0.5	Below the limit
47	0.43	0.5	Near the limit
48	0.36	0.5	Below the limit
49	0.29	0.5	Below the limit
50	0.65	0.5	Above the limit
51	0.23	0.5	Below the limit
52	0.20	0.5	Below the limit

20244 of 51 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	0.00	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	unknown	0.5	Reported without a count
7	0.00	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	0.28	0.5	Below the limit
14	0.29	0.5	Below the limit
15	0.05	0.5	Below the limit
16	0.40	0.5	Near the limit
17	0.24	0.5	Below the limit
18	0.12	0.5	Below the limit
19	0.01	0.5	Below the limit
20	0.20	0.5	Below the limit
21	0.03	0.2	Below the limit
22	0.08	0.2	Below the limit
23	0.20	0.2	Above the limit
24	0.16	0.2	Below the limit
25	0.20	0.2	Above the limit
26	0.43	0.2	Above the limit
27	0.25	0.5	Below the limit
28	0.73	0.5	Above the limit
29	0.48	0.5	Near the limit
30	0.28	0.5	Below the limit
31	0.17	0.5	Below the limit
32	0.12	0.5	Below the limit
33	0.03	0.5	Below the limit
34	0.02	0.5	Below the limit
35	0.03	0.5	Below the limit
36	0.07	0.5	Below the limit
37	0.21	0.5	Below the limit
38	0.13	0.5	Below the limit
39	0.06	0.5	Below the limit
40	0.16	0.5	Below the limit
41	0.15	0.5	Below the limit
42	0.11	0.5	Below the limit
43	0.20	0.5	Below the limit
44	0.23	0.5	Below the limit
45	0.17	0.5	Below the limit
46	0.13	0.5	Below the limit
47	0.12	0.5	Below the limit
48	0.47	0.5	Near the limit
49	0.47	0.5	Near the limit
50	0.08	0.5	Below the limit
51	0.30	0.5	Below the limit
52	0.28	0.5	Below the limit

20230 of 8 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	0.40	0.5	Near the limit
41	0.28	0.5	Below the limit
42	0.00	0.5	Below the limit
43	unknown	0.5	Not reported
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	0.37	0.5	Below the limit
49	0.42	0.5	Near the limit
50	0.35	0.5	Below the limit
51	0.14	0.5	Below the limit
52	unknown	0.5	Not reported

Treatments

Norwegian Food Safety Authority

Week 3, 2026
Mechanical delousing8 pens
Week 51, 2025
Thermal delousingWhole site
Week 49, 2025
Mechanical delousing2 pens
Week 45, 2025
Mechanical delousing6 pens

Show all 63

Week 44, 2025
Mechanical delousing21 pens
Week 43, 2025
Thermal delousing2 pens
Week 42, 2025
Mechanical delousing10 pens
Week 41, 2025
Thermal delousing, Mechanical delousing4 pens
Week 39, 2025
Mechanical delousing12 pens
Week 38, 2025
Mechanical delousing6 pens
Week 37, 2025
Mechanical delousing6 pens
Week 36, 2025
Mechanical delousing21 pens
Week 35, 2025
Mechanical delousing2 pens
Week 34, 2025
Mechanical delousing4 pens
Week 33, 2025
Mechanical delousing18 pens
Week 32, 2025
Mechanical delousing6 pens
Week 31, 2025
Mechanical delousing9 pens
Week 30, 2025
Mechanical delousing18 pens
Week 29, 2025
Mechanical delousing6 pens
Week 27, 2025
Thermal delousing2 pens
Week 26, 2025
Mechanical delousing1 pen
Week 24, 2025
Other treatment1 pen · Manuell avlusning ved bruk av våtstøvsuger i forbindelse med forsøksaktivitet.
Week 22, 2025
Other treatment6 pens · Manuell avlusning ved bruk av våtstøvsuger i forbindelse med forsøksaktivitet.
Week 21, 2025
Other treatment2 pens · Manuell avlusing ved bruk av våtstøvsuger i forbindelse med forsøksaktivitet i to bankenheter.
Week 20, 2025
Other treatment10 pens · Manuell avlusning ved bruk av våtstøvsuger i forsøksenheter i forbindelse med forsøksaktivitet. Bankenhet (12x12 m) manuelt avluset ved bruk av våtstøvsuger.
Week 19, 2025
Other treatment1 pen · Manuell avlusning ved bruk av våtstøvsuger i forbindelse med forsøksaktivitet.
Week 15, 2025
Other treatment18 pens · Manuell avlusning ved bruk av våtstøvsuger i forsøksenheter
Week 14, 2025
Other treatment6 pens · Avlusning ved bruk av våtstøvsuger på individnivå i forsøksenheter.
Week 11, 2025
Other treatment9 pens · Manuell avlusning med våtstøvsuger av forsøksfisk på individnivå.
Week 7, 2025
Other treatment1 pen · Manuell avlusning med våtstøvsuger.
Week 50, 2024
Mechanical delousing15 pens
Week 47, 2024
Mechanical delousing12 pens
Week 46, 2024
Mechanical delousing18 pens
Week 45, 2024
Mechanical delousing12 pens
Week 44, 2024
Mechanical delousing6 pens
Week 43, 2024
Mechanical delousing1 pen
Week 42, 2024
Mechanical delousing12 pens
Week 41, 2024
Mechanical delousing6 pens
Week 40, 2024
Mechanical delousing6 pens
Week 39, 2024
Mechanical delousing17 pens
Week 38, 2024
Mechanical delousing12 pens
Week 37, 2024
Mechanical delousing12 pens
Week 36, 2024
Mechanical delousing19 pens
Week 35, 2024
Mechanical delousing12 pens
Week 34, 2024
Mechanical delousing21 pens
Week 33, 2024
Mechanical delousing10 pens
Week 32, 2024
Mechanical delousing22 pens
Week 31, 2024
Mechanical delousing16 pens
Week 30, 2024
Mechanical delousing3 pens
Week 29, 2024
Mechanical delousing1 pen
Week 26, 2024
Medicinal feed, Mechanical delousing3 pens · Emamectin benzoat
Week 25, 2024
Medicinal feed, Mechanical delousing6 pens · Emamectin benzoat
Week 24, 2024
Mechanical delousing8 pens
Week 23, 2024
Mechanical delousing1 pen
Week 16, 2024
Mechanical delousing3 pens
Week 1, 2024
Other treatment4 pens · Avlusning ved bruk av våtstøvsuger. I tillegg er det levert en merd med slaktefisk.
Week 51, 2023
Other treatment3 pens · Avlusning ved bruk av våtstøvsuger
Week 50, 2023
Other treatment1 pen · Avlusning ved bruk av våtstøvsuger
Week 49, 2023
Mechanical delousing5 pens
Week 48, 2023
Mechanical delousing2 pens
Week 42, 2023
Mechanical delousingWhole site
Week 41, 2023
Mechanical delousing3 pens
Week 40, 2023
Mechanical delousing7 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

19 Apr 2018
38 salmon escapedCause: Feilmontasje · recaptured 1 · Directorate of Fisheries
20 Sep 2016
6 salmon escapedCause: Feilmontasje · recaptured 1 · Directorate of Fisheries

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 Mar 2026	Inter Fjord	Skauholmen	1 h 22 min
19 Dec 2025	Faeroeysund	Ystøya	8 h 51 min
05 Dec 2025	Steinar Olaisen	Klipen	6 h 19 min
11 Oct 2025	Faeroeysund	Naustholmen	3 h 40 min
06 Aug 2025	Ro North	Hestøy	7 h 4 min
06 Jul 2025	Faeroeysund	Seiskjæret	2 h 52 min
16 May 2024	Faeroeysund	Seiskjæret	31 min
02 Jan 2024	Rostein	Store Bukkøy N	1 h 14 min

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

Who has reported

The companies that have submitted lice counts for this site, with the first and last week.

Company	From	To
Letsea AS	Week 40, 2023	Week 23, 2026
Nordland Fylkeskommune	Week 24, 2026	Week 39, 2026

Source: Norwegian Food Safety Authority (organisation number on each lice report)

Licences

Site MAB: 260 tonnes

Licence	Type	Capacity	Holder
N AH 0041	Forskning / matfiskSalmon, Rainbow trout, Trout	780 t	Biomar A.s.
N AH 0042	Forskning / matfiskSalmon, Rainbow trout, Trout	780 t	Biomar A.s.
N AH 0043	Forskning / matfiskSalmon, Rainbow trout, Trout	780 t	Biomar A.s.
N DA 0036	Forskning / matfiskSalmon, Rainbow trout, Trout	780 t	Biomar A.s.
N DA 0054	Kommersiell / matfiskTorsk	260 t	Letsea AS
N DA 0077	Undervisning / matfiskSalmon, Rainbow trout, Trout	550 t	Nordland Fylkeskommune

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