Klammerholmen

Site 32577 · Austevoll municipality · Production area 3, Karmøy til Sotra

Status unknown: not reported in week 39Operated by Austevoll Melaks AS · group unknown

unknownAdult female lice per fishNo count in week 39. Latest: 0.30 in week 38, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 37 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

4Lice treatments in 2026Latest: Thermal delousing, week 30, 20262026 · Norwegian Food Safety Authority · updated 01 Oct 2026

1Active disease casesPD, confirmed 19 Dec 2025Register since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

7Wellboat visits in 2026by 2 different vessels · latest 20 Jul 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	0.00	0.5	Below the limit
2	0.15	0.5	Below the limit
3	0.28	0.5	Below the limit
4	unknown	0.5	Not reported
5	0.28	0.5	Below the limit
6	0.35	0.5	Below the limit
7	0.40	0.5	Near the limit
8	0.48	0.5	Near the limit
9	0.09	0.5	Below the limit
10	0.10	0.5	Below the limit
11	0.05	0.5	Below the limit
12	0.05	0.5	Below the limit
13	0.05	0.5	Below the limit
14	0.05	0.5	Below the limit
15	0.10	0.5	Below the limit
16	0.14	0.2	Below the limit
17	0.18	0.2	Near the limit
18	0.19	0.2	Near the limit
19	0.19	0.2	Near the limit
20	0.10	0.2	Below the limit
21	0.12	0.2	Below the limit
22	0.28	0.5	Below the limit
23	0.06	0.5	Below the limit
24	0.06	0.5	Below the limit
25	0.06	0.5	Below the limit
26	0.00	0.5	Below the limit
27	0.08	0.5	Below the limit
28	0.08	0.5	Below the limit
29	0.45	0.5	Near the limit
30	0.02	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.10	0.5	Below the limit
33	0.14	0.5	Below the limit
34	0.12	0.5	Below the limit
35	0.12	0.5	Below the limit
36	0.12	0.5	Below the limit
37	0.34	0.5	Below the limit
38	0.30	0.5	Below the limit
39	unknown	0.5	Not reported

Earlier years

20251 of 29 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	0.07	0.5	Below the limit
2	0.20	0.5	Below the limit
3	0.20	0.5	Below the limit
4	0.23	0.5	Below the limit
5	0.20	0.5	Below the limit
6	0.10	0.5	Below the limit
7	0.10	0.5	Below the limit
8	0.15	0.5	Below the limit
9	0.10	0.5	Below the limit
10	0.10	0.5	Below the limit
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	0.00	0.5	Below the limit
35	0.00	0.5	Below the limit
36	0.10	0.5	Below the limit
37	0.30	0.5	Below the limit
38	0.47	0.5	Near the limit
39	0.37	0.5	Below the limit
40	0.03	0.5	Below the limit
41	0.00	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.10	0.5	Below the limit
44	0.23	0.5	Below the limit
45	0.23	0.5	Below the limit
46	0.54	0.5	Above the limit
47	0.03	0.5	Below the limit
48	0.03	0.5	Below the limit
49	0.05	0.5	Below the limit
50	0.26	0.5	Below the limit
51	0.33	0.5	Below the limit
52	0.05	0.5	Below the limit

20241 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, 2024
Week	Adult female lice per fish	Lice limit	Status
1	0.27	0.5	Below the limit
2	0.32	0.5	Below the limit
3	0.38	0.5	Below the limit
4	0.35	0.5	Below the limit
5	0.37	0.5	Below the limit
6	0.32	0.5	Below the limit
7	0.28	0.5	Below the limit
8	0.27	0.5	Below the limit
9	0.23	0.5	Below the limit
10	0.13	0.5	Below the limit
11	0.15	0.5	Below the limit
12	0.24	0.5	Below the limit
13	0.03	0.5	Below the limit
14	0.01	0.5	Below the limit
15	0.04	0.5	Below the limit
16	0.01	0.2	Below the limit
17	0.02	0.2	Below the limit
18	0.03	0.2	Below the limit
19	0.04	0.2	Below the limit
20	0.04	0.2	Below the limit
21	0.04	0.2	Below the limit
22	0.04	0.5	Below the limit
23	0.03	0.5	Below the limit
24	0.03	0.5	Below the limit
25	0.03	0.5	Below the limit
26	0.04	0.5	Below the limit
27	0.03	0.5	Below the limit
28	0.04	0.5	Below the limit
29	0.04	0.5	Below the limit
30	0.08	0.5	Below the limit
31	0.08	0.5	Below the limit
32	0.20	0.5	Below the limit
33	0.04	0.5	Below the limit
34	0.02	0.5	Below the limit
35	0.00	0.5	Below the limit
36	0.02	0.5	Below the limit
37	0.07	0.5	Below the limit
38	0.08	0.5	Below the limit
39	0.07	0.5	Below the limit
40	0.32	0.5	Below the limit
41	0.37	0.5	Below the limit
42	0.10	0.5	Below the limit
43	0.06	0.5	Below the limit
44	0.20	0.5	Below the limit
45	0.12	0.5	Below the limit
46	0.52	0.5	Above the limit
47	0.06	0.5	Below the limit
48	0.10	0.5	Below the limit
49	0.16	0.5	Below the limit
50	0.07	0.5	Below the limit
51	0.07	0.5	Below the limit
52	0.10	0.5	Below the limit

20230 of 12 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	0.08	0.5	Below the limit
41	0.08	0.5	Below the limit
42	0.14	0.5	Below the limit
43	0.24	0.5	Below the limit
44	0.37	0.5	Below the limit
45	0.19	0.5	Below the limit
46	0.18	0.5	Below the limit
47	0.10	0.5	Below the limit
48	0.07	0.5	Below the limit
49	0.08	0.5	Below the limit
50	0.13	0.5	Below the limit
51	0.17	0.5	Below the limit
52	unknown	0.5	Not reported

Treatments

Norwegian Food Safety Authority

Week 30, 2026
Freshwater treatment, Thermal delousingWhole site
Week 20, 2026
Freshwater treatment, Thermal delousing6 pens
Week 9, 2026
Medicinal bath, Thermal delousing4 pens · Azamethiphos
Week 52, 2025
Thermal delousing, Freshwater treatment4 pens

Show all 13

Week 47, 2025
Thermal delousing, Freshwater treatment6 pens
Week 39, 2025
Medicinal bath1 pen · Azamethiphos
Week 47, 2024
Medicinal bath2 pens · Azamethiphos
Week 42, 2024
Freshwater treatment, Mechanical delousing6 pens
Week 33, 2024
Thermal delousingWhole site
Week 12, 2024
Freshwater treatment, Thermal delousing4 pens
Week 2, 2024
Medicinal feed6 pens · Emamectin benzoat
Week 46, 2023
Medicinal feedWhole site · Emamectin benzoat
Week 45, 2023
Freshwater treatment2 pens

Disease

Norwegian Food Safety Authority

19 Dec 2025
Pancreas disease (PD): confirmedStatus: active · Subtype SAV3 · started 30 Oct 2025 · Norwegian Food Safety Authority
12 Jul 2025
Pancreas disease (PD): closedSubtype SAV3 · started 16 May 2024 · Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

No escapes reported from this site since 2006.

Wellboat visits

7 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
20 Jul 2026	Hordagut	Leiholmane	17 h 57 min
19 Jul 2026	Hordagut	Leiholmane	3 h 11 min
12 May 2026	Horda Pioneer	Øklandsvågen	10 h 11 min
11 May 2026	Horda Pioneer	Øklandsvågen	2 h 0 min
28 Feb 2026	Horda Pioneer	Bleket disease or zone there	4 h 4 min
27 Feb 2026	Horda Pioneer	Bleket disease or zone there	5 h 3 min
27 Feb 2026	Horda Pioneer	Bleket disease or zone there	2 h 7 min
22 Dec 2025	Horda Pioneer	Kviksholmen	17 h 21 min
22 Nov 2025	Horda Pioneer	Ljøsøy N	3 h 12 min
21 Nov 2025	Horda Pioneer	Ljøsøy N	3 h 48 min
21 Nov 2025	Horda Pioneer	Ljøsøy N	3 h 30 min
28 Sep 2025	Namsos	Toska S	3 h 47 min

Show 23 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
27 Sep 2025	Namsos	Toska S	6 h 59 min
20 Sep 2025	Ronja Superior	Skaganeset	1 h 39 min
10 Aug 2025	Seifjell	Ospeneset	1 h 12 min
22 Mar 2025	Norwegian Gannet	Kjeholmen II	7 h 8 min
16 Feb 2025	Norwegian Gannet	Rotøy	6 h 46 min
14 Dec 2024	Norwegian Gannet	Vadholmen	5 h 29 min
23 Nov 2024	Namsos	Nautvik	1 h 27 min
23 Nov 2024	Namsos	Nautvik	4 h 54 min
23 Nov 2024	Namsos	Nautvik	1 h 10 min
22 Nov 2024	Namsos	Nautvik	4 h 6 min
18 Nov 2024	Namsos	Haugsnesvåg	16 h 4 min
02 Nov 2024	Tonny	Porsvika	42 min
01 Nov 2024	Tonny	Tovo	34 min
15 Oct 2024	Namsos	Krigsholmen disease or zone there	10 h 9 min
14 Oct 2024	Namsos	Krigsholmen disease or zone there	9 h 2 min
18 Aug 2024	Hordagut	Sagen 2	11 h 33 min
18 Aug 2024	Norwegian Gannet	Tollaksholmen	2 h 36 min
17 Aug 2024	Hordagut	Sagen 2	16 h 21 min
16 Aug 2024	Hordagut	Sagen 2	4 h 52 min
04 Jun 2024	Norwegian Gannet	Mælen	4 h 14 min
25 Mar 2024	Navoey	Skorpo NV	1 h 36 min
23 Mar 2024	Seihav	Sagen 2	19 h 12 min
22 Mar 2024	Seihav	Sagen 2	6 h 9 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
H AV 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Austevoll Melaks AS
H AV 0027	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Austevoll Melaks AS

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