Ihlholmen

Site 27095 · Vindafjord municipality · Production area 3, Karmøy til Sotra

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

0.47Adult female lice per fishLimit 0.50 · near the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 39 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

8Lice treatments in 2026Latest: Mechanical delousing, week 37, 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

34Wellboat visits in 2026by 2 different vessels · latest 09 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	0.05	0.5	Below the limit
2	0.07	0.5	Below the limit
3	0.11	0.5	Below the limit
4	0.19	0.5	Below the limit
5	0.41	0.5	Near the limit
6	0.35	0.5	Below the limit
7	0.45	0.5	Near the limit
8	0.46	0.5	Near the limit
9	0.40	0.5	Near the limit
10	0.20	0.5	Below the limit
11	0.27	0.5	Below the limit
12	0.27	0.5	Below the limit
13	0.37	0.5	Below the limit
14	0.31	0.5	Below the limit
15	0.38	0.5	Below the limit
16	0.07	0.2	Below the limit
17	0.03	0.2	Below the limit
18	0.02	0.2	Below the limit
19	0.02	0.2	Below the limit
20	0.05	0.2	Below the limit
21	0.07	0.2	Below the limit
22	0.09	0.5	Below the limit
23	0.32	0.5	Below the limit
24	0.16	0.5	Below the limit
25	0.27	0.5	Below the limit
26	0.28	0.5	Below the limit
27	0.39	0.5	Below the limit
28	0.33	0.5	Below the limit
29	0.46	0.5	Near the limit
30	0.46	0.5	Near the limit
31	0.13	0.5	Below the limit
32	0.22	0.5	Below the limit
33	0.20	0.5	Below the limit
34	0.33	0.5	Below the limit
35	0.43	0.5	Near the limit
36	0.46	0.5	Near the limit
37	0.20	0.5	Below the limit
38	0.45	0.5	Near the limit
39	0.47	0.5	Near the limit

Earlier years

20250 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, 2025
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	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	0.00	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	0.00	0.5	Below the limit
41	0.00	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.01	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.00	0.5	Below the limit
46	0.00	0.5	Below the limit
47	0.02	0.5	Below the limit
48	0.05	0.5	Below the limit
49	0.13	0.5	Below the limit
50	0.28	0.5	Below the limit
51	0.06	0.5	Below the limit
52	0.12	0.5	Below the limit

20240 of 41 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	0.33	0.5	Below the limit
2	0.12	0.5	Below the limit
3	0.03	0.5	Below the limit
4	0.07	0.5	Below the limit
5	0.17	0.5	Below the limit
6	0.13	0.5	Below the limit
7	0.12	0.5	Below the limit
8	0.18	0.5	Below the limit
9	0.21	0.5	Below the limit
10	0.41	0.5	Near the limit
11	0.39	0.5	Below the limit
12	0.30	0.5	Below the limit
13	0.31	0.5	Below the limit
14	0.31	0.5	Below the limit
15	0.31	0.5	Below the limit
16	0.12	0.2	Below the limit
17	0.15	0.2	Below the limit
18	0.04	0.2	Below the limit
19	0.04	0.2	Below the limit
20	0.03	0.2	Below the limit
21	0.04	0.2	Below the limit
22	0.15	0.5	Below the limit
23	0.28	0.5	Below the limit
24	0.33	0.5	Below the limit
25	0.05	0.5	Below the limit
26	0.07	0.5	Below the limit
27	0.23	0.5	Below the limit
28	0.36	0.5	Below the limit
29	0.49	0.5	Near the limit
30	0.09	0.5	Below the limit
31	0.09	0.5	Below the limit
32	0.29	0.5	Below the limit
33	0.23	0.5	Below the limit
34	0.42	0.5	Near the limit
35	0.24	0.5	Below the limit
36	0.13	0.5	Below the limit
37	0.28	0.5	Below the limit
38	0.35	0.5	Below the limit
39	0.40	0.5	Near the limit
40	0.45	0.5	Near the limit
41	0.48	0.5	Near the limit
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

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	0.00	0.5	Below the limit
41	0.00	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.01	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.00	0.5	Below the limit
46	0.01	0.5	Below the limit
47	0.05	0.5	Below the limit
48	0.07	0.5	Below the limit
49	0.05	0.5	Below the limit
50	0.16	0.5	Below the limit
51	0.07	0.5	Below the limit
52	0.19	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 37, 2026
Mechanical delousing1 pen
Week 36, 2026
Mechanical delousing2 pens
Week 31, 2026
Mechanical delousing4 pens
Week 30, 2026
Mechanical delousing2 pens

Show all 15

Week 25, 2026
Mechanical delousing1 pen
Week 24, 2026
Mechanical delousingWhole site
Week 16, 2026
Freshwater treatment, Mechanical delousing8 pens
Week 9, 2026
Medicinal bathWhole site · Azamethiphos
Week 51, 2025
Thermal delousingWhole site
Week 35, 2024
Mechanical delousing3 pens
Week 30, 2024
Mechanical delousingWhole site
Week 25, 2024
Thermal delousingWhole site
Week 18, 2024
Thermal delousing3 pens
Week 16, 2024
Thermal delousing2 pens
Week 2, 2024
Thermal delousingWhole site

Disease

Norwegian Food Safety Authority

25 Mar 2025
Pancreas disease (PD): closedSubtype SAV3 · started 12 Sep 2024 · Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

No escapes reported from this site since 2006.

Wellboat visits

34 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
09 Sep 2026	Namsos	Øklandsvågen	5 h 19 min
08 Sep 2026	Namsos	Øklandsvågen	4 h 14 min
07 Sep 2026	Namsos	Sunde	5 h 38 min
07 Sep 2026	Namsos	Sunde	1 h 50 min
06 Sep 2026	Namsos	Sunde	15 h 51 min
05 Sep 2026	Namsos	Sunde	16 h 54 min
26 Aug 2026	Namsos	Porsvika	3 h 27 min
14 Aug 2026	Namsos	Sunde	1 h 53 min
13 Aug 2026	Namsos	Oterstegdalen	5 h 56 min
21 Jul 2026	Kristoffer Tronds	Mælen	1 h 59 min
15 Jun 2026	Namsos	Sunde	6 h 59 min
14 Jun 2026	Namsos	Sunde	7 h 37 min

Show 58 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
14 Jun 2026	Namsos	Sunde	12 h 49 min
13 Jun 2026	Namsos	Sunde	8 h 37 min
13 Jun 2026	Namsos	Sunde	11 h 5 min
12 Jun 2026	Namsos	Sunde	15 h 59 min
20 Apr 2026	Namsos	Klungervikneset	8 h 57 min
19 Apr 2026	Namsos	Klungervikneset	4 h 59 min
19 Apr 2026	Namsos	Klungervikneset	5 h 57 min
18 Apr 2026	Namsos	Klungervikneset	4 h 41 min
18 Apr 2026	Namsos	Klungervikneset	5 h 22 min
17 Apr 2026	Namsos	Klungervikneset	13 h 32 min
17 Apr 2026	Namsos	Klungervikneset	5 h 40 min
16 Apr 2026	Namsos	Klungervikneset	12 h 36 min
15 Apr 2026	Namsos	Klungervikneset	4 h 2 min
15 Apr 2026	Namsos	Klungervikneset	2 h 38 min
14 Apr 2026	Namsos	Klungervikneset	9 h 48 min
14 Apr 2026	Namsos	Klungervikneset	5 h 5 min
27 Feb 2026	Kristoffer Tronds	Nappeholmane	5 h 38 min
26 Feb 2026	Kristoffer Tronds	Nappeholmane	4 h 29 min
26 Feb 2026	Kristoffer Tronds	Nappeholmane	3 h 27 min
26 Feb 2026	Kristoffer Tronds	Nappeholmane	2 h 0 min
25 Feb 2026	Kristoffer Tronds	Nappeholmane	3 h 54 min
25 Feb 2026	Kristoffer Tronds	Nappeholmane	5 h 10 min
21 Dec 2025	Navoey	Seglberget	7 h 53 min
20 Dec 2025	Kristoffer Tronds	Sunde	7 h 23 min
15 Dec 2025	Kristoffer Tronds	Seglberget	13 h 54 min
25 Jun 2025	Seifjell	Nappeholmane	1 h 16 min
24 Jun 2025	Mowi Star	Klungervikneset	1 h 11 min
22 Jun 2025	Seifjell	Slåttenes	2 h 34 min
17 Oct 2024	Kristoffer Tronds	Sunde	2 h 11 min
16 Oct 2024	Kristoffer Tronds	Sunde	3 h 34 min
15 Oct 2024	Kristoffer Tronds	Sunde	1 h 40 min
14 Oct 2024	Kristoffer Tronds	Sunde	2 h 12 min
24 Sep 2024	Kristoffer Tronds	Sunde	3 h 0 min
22 Sep 2024	Kristoffer Tronds	Sunde	2 h 0 min
19 Sep 2024	Kristoffer Tronds	Klungervikneset	10 h 18 min
02 Sep 2024	Kristoffer Tronds	Sunde	2 h 40 min
28 Aug 2024	Kristoffer Tronds	Sunde	1 h 4 min
24 Aug 2024	Kristoffer Tronds	Sunde	1 h 59 min
20 Jun 2024	Kristoffer Tronds	Sunde	4 h 4 min
19 Jun 2024	Kristoffer Tronds	Sunde	12 h 30 min
18 Jun 2024	Kristoffer Tronds	Sunde	8 h 7 min
18 Jun 2024	Kristoffer Tronds	Sunde	11 h 15 min
17 Jun 2024	Navoey	Klungervikneset	10 h 25 min
16 Jun 2024	Navoey	Klungervikneset	9 h 47 min
15 Jun 2024	Navoey	Klungervikneset	10 h 31 min
14 Jun 2024	Navoey	Klungervikneset	11 h 18 min
13 Jun 2024	Navoey	Klungervikneset	10 h 9 min
12 Jun 2024	Navoey	Klungervikneset	9 h 38 min
11 Jun 2024	Navoey	Klungervikneset	13 h 1 min
10 Jun 2024	Navoey	Klungervikneset	1 h 9 min
10 Jun 2024	Navoey	Klungervikneset	3 h 53 min
02 May 2024	Kristoffer Tronds	Sunde	5 h 35 min
01 May 2024	Kristoffer Tronds	Sunde	13 h 17 min
29 Apr 2024	Kristoffer Tronds	Håøya Nø	52 min
18 Apr 2024	Kristoffer Tronds	Ebne	13 h 10 min
15 Jan 2024	Navoey	Haugsnesvåg	2 h 45 min
12 Jan 2024	Kristoffer Tronds	Langevågen	11 h 17 min
11 Jan 2024	Kristoffer Tronds	Langevågen	15 h 23 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
Fjelberg Fjordbruk AS	Week 40, 2023	Week 39, 2024
Rogaland Fjordbruk AS	Week 51, 2023	Week 40, 2024
Nordsjø Fjordbruk AS	Week 6, 2024	Week 39, 2026

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

Licences

Site MAB: 2,340 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