Tuholmane Ø

Site 10029 · Karmøy municipality · Production area 3, Karmøy til Sotra

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

0.08Adult 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 26 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

7Lice treatments in 2026Latest: Medicinal bath, week 39, 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

3Wellboat visits in 2026by 2 different vessels · latest 26 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	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	0.01	0.2	Below the limit
21	0.00	0.2	Below the limit
22	0.00	0.5	Below the limit
23	0.02	0.5	Below the limit
24	0.07	0.5	Below the limit
25	0.12	0.5	Below the limit
26	0.00	0.5	Below the limit
27	0.00	0.5	Below the limit
28	0.02	0.5	Below the limit
29	0.04	0.5	Below the limit
30	0.02	0.5	Below the limit
31	0.08	0.5	Below the limit
32	0.15	0.5	Below the limit
33	0.14	0.5	Below the limit
34	0.09	0.5	Below the limit
35	0.08	0.5	Below the limit
36	0.07	0.5	Below the limit
37	0.01	0.5	Below the limit
38	0.15	0.5	Below the limit
39	0.08	0.5	Below the limit

Earlier years

20250 of 24 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	0.43	0.5	Near the limit
2	0.46	0.5	Near the limit
3	0.02	0.5	Below the limit
4	0.11	0.5	Below the limit
5	0.11	0.5	Below the limit
6	0.00	0.5	Below the limit
7	0.05	0.5	Below the limit
8	0.05	0.5	Below the limit
9	0.17	0.5	Below the limit
10	0.13	0.5	Below the limit
11	0.16	0.5	Below the limit
12	0.25	0.5	Below the limit
13	0.00	0.5	Below the limit
14	0.01	0.5	Below the limit
15	0.00	0.5	Below the limit
16	0.00	0.2	Below the limit
17	0.01	0.2	Below the limit
18	0.04	0.2	Below the limit
19	0.05	0.2	Below the limit
20	0.16	0.2	Below the limit
21	0.00	0.2	Below the limit
22	0.09	0.5	Below the limit
23	0.14	0.5	Below the limit
24	0.09	0.5	Below the limit
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	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 38 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	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	0.02	0.5	Below the limit
23	0.05	0.5	Below the limit
24	0.15	0.5	Below the limit
25	0.02	0.5	Below the limit
26	0.15	0.5	Below the limit
27	0.07	0.5	Below the limit
28	0.10	0.5	Below the limit
29	0.01	0.5	Below the limit
30	0.02	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.02	0.5	Below the limit
33	0.07	0.5	Below the limit
34	0.09	0.5	Below the limit
35	0.05	0.5	Below the limit
36	0.03	0.5	Below the limit
37	0.04	0.5	Below the limit
38	0.01	0.5	Below the limit
39	0.02	0.5	Below the limit
40	0.01	0.5	Below the limit
41	0.00	0.5	Below the limit
42	0.01	0.5	Below the limit
43	0.00	0.5	Below the limit
44	0.01	0.5	Below the limit
45	0.02	0.5	Below the limit
46	0.06	0.5	Below the limit
47	0.07	0.5	Below the limit
48	0.02	0.5	Below the limit
49	0.08	0.5	Below the limit
50	0.11	0.5	Below the limit
51	0.06	0.5	Below the limit
52	0.27	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 39, 2026
Medicinal bathWhole site · Benzokain
Week 36, 2026
Medicinal bathBenzokain
Week 26, 2026
Freshwater treatment, Thermal delousingWhole site
Week 24, 2026
Medicinal bathWhole site · Benzokain

Show all 10

Week 21, 2026
Medicinal bathWhole site · Benzokain
Week 18, 2026
Medicinal bathWhole site · Benzokain
Week 21, 2025
Mechanical delousingWhole site
Week 13, 2025
Thermal delousing, Freshwater treatmentWhole site
Week 3, 2025
Thermal delousing, Freshwater treatmentWhole site
Week 29, 2024
Mechanical delousing, 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

No escapes reported from this site since 2006.

Wellboat visits

3 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 Jun 2026	Ro Venture	Gråtnes	28 h 23 min
17 Apr 2026	Seifjell	Kvaløy Ø	1 h 2 min
17 Apr 2026	Seifjell	Kvaløy Ø	1 h 10 min
23 May 2025	Namsos	Langevågen	8 h 57 min
22 May 2025	Namsos	Langevågen	4 h 38 min
24 Mar 2025	Hordagut	Bleket	39 h 25 min
25 Oct 2024	Ronja Azul	Kvaløy Ø	10 h 25 min
25 Oct 2024	Namsos	Kvaløy Ø	11 h 22 min
25 Oct 2024	Ronja Azul	Kvaløy Ø	3 h 57 min
24 Oct 2024	Namsos	Kvaløy Ø	8 h 16 min
19 Jun 2024	Seifjell	no other farm	2 h 2 min
14 Apr 2024	Seifjell	Skåtholmen	2 h 8 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
Varde Fiskeoppdrett AS	Week 15, 2024	Week 39, 2026
Lingalaks AS	Week 14, 2026	Week 14, 2026

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

Licences

Site MAB: 2,340 tonnes

Licence	Type	Capacity	Holder
H B 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	802 t	Tombre Fiskeanlegg AS
H B 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	780 t	Lingalaks AS
H KM 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	875 t	Lingalaks AS
H KM 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	875 t	Lingalaks AS
H KM 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	875 t	Lingalaks AS
H KM 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	904 t	Tombre Fiskeanlegg AS
H KM 0018	Kommersiell / matfiskSalmon, Rainbow trout, Trout	875 t	Lingalaks AS
R K 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	802 t	Tombre Fiskeanlegg AS
R K 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	785 t	Varde Fiskeoppdrett AS
R K 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	780 t	Lingalaks AS
R R 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	835 t	Eidesvik Laks AS

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