Lindarholmen

Site 28396 · Tysnes municipality · Production area 3, Karmøy til Sotra

Below the lice limit, week 39Operated by Nordsjø Fjordbruk AS

0.30Adult 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 15 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

3Lice treatments in 2026Latest: Medicinal feed, week 38, 20262026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Active disease casesNone active · 1 earlierRegister since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

2Wellboat visits in 2026by 1 vessel · latest 25 Jun 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	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	0.00	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.00	0.5	Below the limit
33	0.05	0.5	Below the limit
34	0.00	0.5	Below the limit
35	0.13	0.5	Below the limit
36	0.15	0.5	Below the limit
37	0.30	0.5	Below the limit
38	0.37	0.5	Below the limit
39	0.30	0.5	Below the limit
40	0.13	0.5	Below the limit

Earlier years

20252 of 34 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	0.14	0.5	Below the limit
3	0.23	0.5	Below the limit
4	0.23	0.5	Below the limit
5	0.21	0.5	Below the limit
6	0.13	0.5	Below the limit
7	0.13	0.5	Below the limit
8	0.19	0.5	Below the limit
9	0.15	0.5	Below the limit
10	0.21	0.5	Below the limit
11	0.20	0.5	Below the limit
12	0.19	0.5	Below the limit
13	0.26	0.5	Below the limit
14	0.29	0.5	Below the limit
15	0.39	0.5	Below the limit
16	0.03	0.2	Below the limit
17	0.06	0.2	Below the limit
18	0.05	0.2	Below the limit
19	0.11	0.2	Below the limit
20	0.19	0.2	Near the limit
21	0.11	0.2	Below the limit
22	0.08	0.5	Below the limit
23	0.00	0.5	Below the limit
24	0.06	0.5	Below the limit
25	0.44	0.5	Near the limit
26	0.15	0.5	Below the limit
27	0.48	0.5	Near the limit
28	0.48	0.5	Near the limit
29	0.45	0.5	Near the limit
30	1.15	0.5	Above the limit
31	0.46	0.5	Near the limit
32	0.65	0.5	Above the limit
33	0.49	0.5	Near the limit
34	0.48	0.5	Near the limit
35	0.47	0.5	Near the limit
36	unknown	0.5	Not reported
37	unknown	0.5	Not reported
38	unknown	0.5	Not reported
39	unknown	0.5	Not reported
40	unknown	0.5	Not reported
41	unknown	0.5	Not reported
42	unknown	0.5	Not reported
43	unknown	0.5	Not reported
44	unknown	0.5	Not reported
45	unknown	0.5	Not reported
46	unknown	0.5	Not reported
47	unknown	0.5	Not reported
48	unknown	0.5	Not reported
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 28 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	0.43	0.5	Near the limit
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	0.00	0.5	Below the limit
27	0.00	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.03	0.5	Below the limit
30	0.00	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.00	0.5	Below the limit
33	0.00	0.5	Below the limit
34	0.00	0.5	Below the limit
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	0.01	0.5	Below the limit
41	0.00	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.00	0.5	Below the limit
44	0.04	0.5	Below the limit
45	0.01	0.5	Below the limit
46	0.00	0.5	Below the limit
47	0.04	0.5	Below the limit
48	0.06	0.5	Below the limit
49	0.10	0.5	Below the limit
50	0.10	0.5	Below the limit
51	0.10	0.5	Below the limit
52	0.19	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 38, 2026
Medicinal feedWhole site · Diflubenzuron
Week 37, 2026
Medicinal feedWhole site · Diflubenzuron
Week 36, 2026
Medicinal feedWhole site · Diflubenzuron
Week 31, 2025
Mechanical delousing3 pens

Show all 10

Week 30, 2025
Mechanical delousing1 pen
Week 26, 2025
Mechanical delousingWhole site
Week 22, 2025
Medicinal bath3 pens · Azamethiphos
Week 21, 2025
Medicinal bath1 pen · Azamethiphos
Week 16, 2025
Thermal delousingWhole site
Week 2, 2025
Freshwater treatment, Thermal delousing5 pens

Disease

Norwegian Food Safety Authority

17 Dec 2025
Pancreas disease (PD): closedSubtype SAV3 · started 20 May 2025 · Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

No escapes reported from this site since 2006.

Wellboat visits

2 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
25 Jun 2026	Seifjell	Onarøy	3 h 35 min
24 Jun 2026	Seifjell	Onarøy	2 h 20 min
28 Aug 2025	Rostein	Porsvika	1 h 19 min
27 Aug 2025	Robas	Porsvika	2 h 11 min
21 Aug 2025	Kristoffer Tronds	Sunde	1 h 40 min
21 Aug 2025	Kristoffer Tronds	Sunde	1 h 4 min
20 Aug 2025	Robas	Torangskjeret	4 h 21 min
20 Aug 2025	Kristoffer Tronds	Sunde	1 h 25 min
12 Aug 2025	Kristoffer Tronds	Porsvika	1 h 38 min
10 Aug 2025	Kristoffer Tronds	Sunde	4 h 42 min
30 Jul 2025	Ro Master	Porsvika	1 h 26 min
22 Jul 2025	Kristoffer Tronds	Sunde	6 h 58 min

Show 18 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
30 May 2025	Kristoffer Tronds	Borgarliflot	2 h 33 min
30 May 2025	Kristoffer Tronds	Borgarliflot	3 h 40 min
29 May 2025	Kristoffer Tronds	Borgarliflot	3 h 4 min
29 May 2025	Kristoffer Tronds	Borgarliflot	2 h 26 min
28 May 2025	Kristoffer Tronds	Borgarliflot	3 h 59 min
28 May 2025	Kristoffer Tronds	Borgarliflot	3 h 47 min
28 May 2025	Kristoffer Tronds	Borgarliflot	2 h 16 min
20 May 2025	Kristoffer Tronds	Sunde	2 h 22 min
20 May 2025	Kristoffer Tronds	Sunde	4 h 52 min
20 May 2025	Kristoffer Tronds	Sunde	3 h 23 min
20 Apr 2025	Kristoffer Tronds	Borgarliflot	20 h 27 min
19 Apr 2025	Kristoffer Tronds	Borgarliflot	15 h 1 min
12 Jan 2025	Kristoffer Tronds	Onarøy	6 h 30 min
11 Jan 2025	Kristoffer Tronds	Onarøy	17 h 37 min
02 Dec 2024	Navoey	Ystadneset	3 h 20 min
01 Dec 2024	Navoey	Ystadneset	20 h 1 min
30 Nov 2024	Navoey	Ystadneset	17 h 55 min
29 Nov 2024	Navoey	Ystadneset	2 h 10 min

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

Licences

Site MAB: 3,100 tonnes

Licence	Type	Capacity	Holder
H B 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	696 t	Nordsjø Fjordbruk AS
H B 0029	Kommersiell / matfiskSalmon, Rainbow trout, Trout	696 t	Nordsjø Fjordbruk AS
H E 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	696 t	Nordsjø Fjordbruk AS
H K 0013	Kommersiell / matfiskSalmon, Rainbow trout, Trout	696 t	Fjelberg Fjordbruk AS
H K 0035	Kommersiell / matfiskSalmon, Rainbow trout, Trout	696 t	Fjelberg Fjordbruk AS
H T 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	696 t	Nordsjø Fjordbruk AS
H T 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	696 t	Nordsjø Fjordbruk AS
H T 0016	Kommersiell / matfiskSalmon, Rainbow trout, Trout	696 t	Nordsjø Fjordbruk AS
H T 0020	Kommersiell / matfiskSalmon, Rainbow trout, Trout	695 t	Nordsjø Fjordbruk AS

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