Kyrholmen S

Site 20595 · Austevoll municipality · Production area 3, Karmøy til Sotra

Status unknown: not reported in week 39Operated by Lerøy Vest Sjø AS

unknownAdult female lice per fishNo count in week 39. Latest: 0.13 in week 15, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 14 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

3Lice treatments in 2026Latest: Thermal delousing, week 7, 20262026 · Norwegian Food Safety Authority · updated 01 Oct 2026

1Active disease casesPD, confirmed 20 May 2025Register since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

4Wellboat visits in 2026by 1 vessel · latest 09 Feb 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reportedNumber unknown, October 2020Since 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

Show as table

Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.07	0.5	Below the limit
2	0.10	0.5	Below the limit
3	0.21	0.5	Below the limit
4	0.26	0.5	Below the limit
5	0.48	0.5	Near the limit
6	0.39	0.5	Below the limit
7	0.43	0.5	Near the limit
8	0.34	0.5	Below the limit
9	0.40	0.5	Below the limit
10	0.45	0.5	Near the limit
11	0.02	0.5	Below the limit
12	0.03	0.5	Below the limit
13	unknown	0.5	Reported without a count
14	0.06	0.5	Below the limit
15	0.13	0.5	Below the limit
16	unknown	0.2	Reported without a count
17	unknown	0.2	Reported without a count
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	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

Earlier years

20258 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, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.43	0.5	Near the limit
2	0.09	0.5	Below the limit
3	0.10	0.5	Below the limit
4	0.18	0.5	Below the limit
5	0.20	0.5	Below the limit
6	0.29	0.5	Below the limit
7	0.42	0.5	Near the limit
8	0.41	0.5	Near the limit
9	0.37	0.5	Below the limit
10	0.18	0.5	Below the limit
11	0.07	0.5	Below the limit
12	0.06	0.5	Below the limit
13	0.06	0.5	Below the limit
14	0.08	0.5	Below the limit
15	0.08	0.5	Below the limit
16	0.11	0.2	Below the limit
17	0.14	0.2	Below the limit
18	0.17	0.2	Near the limit
19	0.21	0.2	Above the limit
20	0.18	0.2	Near the limit
21	0.10	0.2	Below the limit
22	0.10	0.5	Below the limit
23	0.12	0.5	Below the limit
24	0.12	0.5	Below the limit
25	0.11	0.5	Below the limit
26	0.11	0.5	Below the limit
27	0.19	0.5	Below the limit
28	0.40	0.5	Below the limit
29	0.58	0.5	Above the limit
30	0.40	0.5	Near the limit
31	0.33	0.5	Below the limit
32	0.44	0.5	Near the limit
33	0.48	0.5	Near the limit
34	0.15	0.5	Below the limit
35	0.09	0.5	Below the limit
36	0.14	0.5	Below the limit
37	0.28	0.5	Below the limit
38	0.74	0.5	Above the limit
39	1.17	0.5	Above the limit
40	0.59	0.5	Above the limit
41	0.27	0.5	Below the limit
42	0.73	0.5	Above the limit
43	1.03	0.5	Above the limit
44	0.29	0.5	Below the limit
45	0.08	0.5	Below the limit
46	0.11	0.5	Below the limit
47	0.21	0.5	Below the limit
48	0.39	0.5	Below the limit
49	unknown	0.5	Reported without a count
50	0.63	0.5	Above the limit
51	0.06	0.5	Below the limit
52	0.08	0.5	Below the limit

20240 of 10 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	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	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	Reported without a count
43	0.00	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.01	0.5	Below the limit
46	0.11	0.5	Below the limit
47	0.42	0.5	Near the limit
48	0.49	0.5	Near the limit
49	0.37	0.5	Below the limit
50	0.28	0.5	Below the limit
51	0.30	0.5	Below the limit
52	0.39	0.5	Below the limit

20233 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	0.09	0.5	Below the limit
41	0.17	0.5	Below the limit
42	0.56	0.5	Above the limit
43	1.49	0.5	Above the limit
44	0.32	0.5	Below the limit
45	0.72	0.5	Above the limit
46	0.04	0.5	Below the limit
47	0.05	0.5	Below the limit
48	0.06	0.5	Below the limit
49	0.02	0.5	Below the limit
50	0.06	0.5	Below the limit
51	0.05	0.5	Below the limit
52	unknown	0.5	Not reported

Treatments

Norwegian Food Safety Authority

Week 7, 2026
Freshwater treatment, Thermal delousing2 pens
Week 6, 2026
Freshwater treatment, Thermal delousing4 pens
Week 51, 2025
Freshwater treatment, Thermal delousing4 pens
Week 50, 2025
Freshwater treatment, Thermal delousing8 pens

Show all 19

Week 44, 2025
Thermal delousing, Freshwater treatmentWhole site
Week 40, 2025
Other treatment5 pens · Kombi - Ferskvann og Termisk
Week 34, 2025
Freshwater treatment, Thermal delousing10 pens
Week 33, 2025
Thermal delousing, Freshwater treatment2 pens
Week 30, 2025
Thermal delousing, Freshwater treatment6 pens
Week 25, 2025
Other treatment2 pens · Kombi - Ferskvann og Wellfighter
Week 21, 2025
Freshwater treatment1 pen
Week 20, 2025
Freshwater treatment3 pens
Week 10, 2025
Thermal delousing, Freshwater treatment10 pens
Week 8, 2025
Medicinal bath2 pens · Azamethiphos
Week 1, 2025
Medicinal bath3 pens · Azamethiphos
Week 48, 2024
Medicinal bath1 pen · Azamethiphos
Week 46, 2023
Other treatment6 pens · Kombi - FV og Thermisk
Week 45, 2023
Other treatment1 pen · Kombi - FV og Thermisk
Week 43, 2023
Other treatment7 pens · Optilicer

Disease

Norwegian Food Safety Authority

20 May 2025
Pancreas disease (PD): confirmedStatus: active · Subtype SAV3 · started 26 Mar 2025 · Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

01 Oct 2020
Escape of salmon, number unknownDirectorate of Fisheries

Wellboat visits

4 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 Feb 2026	Seihav	Sagen 2	20 h 10 min
08 Feb 2026	Seihav	Sagen 2	5 h 30 min
08 Feb 2026	Seihav	Sagen 2	9 h 12 min
07 Feb 2026	Seihav	Sagen 2	15 h 40 min
16 Dec 2025	Seihav	Sagen 2	49 min
15 Dec 2025	Seihav	Sagen 2	3 h 29 min
14 Dec 2025	Seihav	Sagen 2	18 h 33 min
14 Dec 2025	Seihav	Sagen 2	10 h 55 min
12 Dec 2025	Seihav	Sagen 2	22 h 9 min
11 Dec 2025	Seihav	Sagen 2	3 h 48 min
29 Oct 2025	Seihav	Sagen 2	13 h 12 min
29 Oct 2025	Ronja Azul	Sagen 2	11 h 41 min

Show 35 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
27 Oct 2025	Ronja Azul	Sagen 2	28 h 3 min
01 Oct 2025	Seigrunn	Sagen 2	19 h 9 min
30 Sep 2025	Seigrunn	Sagen 2	19 h 1 min
29 Sep 2025	Seigrunn	Sagen 2	12 h 57 min
21 Aug 2025	Seigrunn	Sagen 2	18 h 34 min
20 Aug 2025	Seigrunn	Sagen 2	12 h 0 min
19 Aug 2025	Seigrunn	Sagen 2	38 min
18 Aug 2025	Seigrunn	Buarøy	14 h 55 min
17 Aug 2025	Seigrunn	Buarøy	21 h 33 min
16 Aug 2025	Seigrunn	Buarøy	6 h 0 min
23 Jul 2025	Seihav	Naveide	13 h 27 min
19 Jun 2025	Seihav	Kelvesteinen	15 h 55 min
20 May 2025	Seigrunn	Sagen 2	12 h 25 min
19 May 2025	Seigrunn	Sagen 2	1 h 35 min
19 May 2025	Seigrunn	Sagen 2	1 h 14 min
18 May 2025	Seigrunn	Sagen 2	17 h 44 min
06 Mar 2025	Seihav	Sagen 2	42 h 34 min
05 Mar 2025	Seihav	Sagen 2	8 h 49 min
04 Mar 2025	Seihav	Sagen 2	4 h 45 min
22 Feb 2025	Seihav	Trælsøyosen	14 h 5 min
22 Feb 2025	Seihav	Trælsøyosen	5 h 20 min
05 Jan 2025	Seigrunn	Gjengane ISA/PD outbreak there	3 h 17 min
04 Jan 2025	Seigrunn	Gjengane ISA/PD outbreak there	10 h 6 min
08 Dec 2024	Mowi Star	Sauaneset I	9 h 25 min
07 Dec 2024	Mowi Star	Sauaneset I	9 h 21 min
05 Dec 2024	Mowi Star	Sauaneset I	16 h 29 min
29 Nov 2024	Seihav	Blom	54 min
29 Nov 2024	Seihav	Blom	2 h 36 min
17 Oct 2024	Seifjell	Skjerholmen N	2 h 55 min
16 Oct 2024	Seifjell	Skjerholmen N	35 min
16 Oct 2024	Seifjell	Skjerholmen N	1 h 46 min
15 Oct 2024	Seifjell	Skjerholmen N	3 h 51 min
15 Oct 2024	Seifjell	Skjerholmen N	2 h 21 min
14 Oct 2024	Seifjell	Skjerholmen N	4 h 13 min
13 Oct 2024	Seifjell	Skjerholmen N	40 min

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

Licences

Site MAB: 3,120 tonnes

Licence	Type	Capacity	Holder
H AV 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Lerøy Vest Sjø AS
H AV 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Lerøy Vest Sjø AS
H AV 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	345 t	Lerøy Vest Sjø AS
H AV 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Lerøy Vest Sjø AS
H AV 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Lerøy Vest Sjø AS
H AV 0010	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Lerøy Vest Sjø AS
H AV 0017	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Lerøy Vest Sjø AS
H AV 0019	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Lerøy Vest Sjø AS

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