Flatøyflu

Site 25835 · Austevoll municipality · Production area 3, Karmøy til Sotra

Below the lice limit, week 39Operated by Lerøy Vest Sjø AS · group Lerøy Seafood Group

0.11Adult 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 21 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

2Lice treatments in 2026Latest: Freshwater treatment, week 3, 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

13Wellboat visits in 2026by 2 different vessels · latest 12 Aug 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported1 salmon, December 2023Since 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	0.41	0.5	Near the limit
2	0.41	0.5	Near the limit
3	0.09	0.5	Below the limit
4	0.02	0.5	Below the limit
5	0.02	0.5	Below the limit
6	0.02	0.5	Below the limit
7	0.03	0.5	Below the limit
8	0.04	0.5	Below the limit
9	0.05	0.5	Below the limit
10	0.06	0.5	Below the limit
11	0.11	0.5	Below the limit
12	0.17	0.5	Below the limit
13	unknown	0.5	Reported without a count
14	0.49	0.5	Near the limit
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	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	0.05	0.5	Below the limit
39	0.11	0.5	Below the limit

Earlier years

20254 of 50 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

Show as table

Adult female lice per fish per week, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.17	0.5	Below the limit
2	0.18	0.5	Below the limit
3	0.22	0.5	Below the limit
4	0.24	0.5	Below the limit
5	0.30	0.5	Below the limit
6	0.37	0.5	Below the limit
7	0.45	0.5	Near the limit
8	0.49	0.5	Near the limit
9	0.35	0.5	Below the limit
10	0.26	0.5	Below the limit
11	0.10	0.5	Below the limit
12	0.04	0.5	Below the limit
13	0.04	0.5	Below the limit
14	0.04	0.5	Below the limit
15	0.05	0.5	Below the limit
16	0.05	0.2	Below the limit
17	0.06	0.2	Below the limit
18	0.09	0.2	Below the limit
19	0.12	0.2	Below the limit
20	0.13	0.2	Below the limit
21	0.16	0.2	Below the limit
22	0.10	0.5	Below the limit
23	0.10	0.5	Below the limit
24	0.10	0.5	Below the limit
25	0.11	0.5	Below the limit
26	0.12	0.5	Below the limit
27	0.21	0.5	Below the limit
28	0.32	0.5	Below the limit
29	0.46	0.5	Near the limit
30	0.38	0.5	Below the limit
31	0.37	0.5	Below the limit
32	0.35	0.5	Below the limit
33	0.42	0.5	Near the limit
34	0.34	0.5	Below the limit
35	0.46	0.5	Near the limit
36	0.36	0.5	Below the limit
37	0.28	0.5	Below the limit
38	0.47	0.5	Near the limit
39	0.40	0.5	Near the limit
40	0.60	0.5	Above the limit
41	0.65	0.5	Above the limit
42	0.98	0.5	Above the limit
43	0.46	0.5	Near the limit
44	0.46	0.5	Near the limit
45	0.56	0.5	Above the limit
46	0.13	0.5	Below the limit
47	0.27	0.5	Below the limit
48	unknown	0.5	Reported without a count
49	unknown	0.5	Reported without a count
50	0.09	0.5	Below the limit
51	0.24	0.5	Below the limit
52	0.33	0.5	Below the limit

20240 of 17 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

Show as table

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	Reported without a count
33	unknown	0.5	Reported without a count
34	0.00	0.5	Below the limit
35	0.01	0.5	Below the limit
36	0.01	0.5	Below the limit
37	0.04	0.5	Below the limit
38	0.01	0.5	Below the limit
39	0.01	0.5	Below the limit
40	0.02	0.5	Below the limit
41	0.05	0.5	Below the limit
42	0.05	0.5	Below the limit
43	0.09	0.5	Below the limit
44	0.15	0.5	Below the limit
45	0.19	0.5	Below the limit
46	unknown	0.5	Not reported
47	unknown	0.5	Not reported
48	0.46	0.5	Near the limit
49	0.36	0.5	Below the limit
50	0.28	0.5	Below the limit
51	0.13	0.5	Below the limit
52	0.13	0.5	Below the limit

20232 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

Show as table

Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
40	0.04	0.5	Below the limit
41	0.06	0.5	Below the limit
42	0.48	0.5	Near the limit
43	2.84	0.5	Above the limit
44	0.36	0.5	Below the limit
45	0.13	0.5	Below the limit
46	0.08	0.5	Below the limit
47	0.10	0.5	Below the limit
48	0.27	0.5	Below the limit
49	0.33	0.5	Below the limit
50	0.93	0.5	Above the limit
51	0.29	0.5	Below the limit
52	0.18	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 3, 2026
Thermal delousing, Freshwater treatment4 pens
Week 2, 2026
Freshwater treatment, Thermal delousing4 pens
Week 50, 2025
Other treatment2 pens · Kombi - Ferskvann og Termisk
Week 46, 2025
Freshwater treatment, Thermal delousing4 pens

Show all 18

Week 43, 2025
Thermal delousing, Freshwater treatment8 pens
Week 39, 2025
Thermal delousing, Freshwater treatment4 pens
Week 37, 2025
Freshwater treatment, Thermal delousing2 pens
Week 36, 2025
Thermal delousing, Freshwater treatment2 pens
Week 34, 2025
Thermal delousing, Freshwater treatment4 pens
Week 31, 2025
Thermal delousing, Freshwater treatment4 pens
Week 30, 2025
Thermal delousing, Freshwater treatment4 pens
Week 23, 2025
Thermal delousing3 pens
Week 10, 2025
Freshwater treatment, Thermal delousing2 pens
Week 9, 2025
Thermal delousing, Freshwater treatment6 pens
Week 51, 2024
Thermal delousing, Freshwater treatment2 pens
Week 49, 2024
Freshwater treatment, Thermal delousing6 pens
Week 51, 2023
Other treatment4 pens · Kombi - FV og Thermisk
Week 44, 2023
Other treatment7 pens · Kombi - FV og Thermisk

Disease

Norwegian Food Safety Authority

29 Jul 2026
Pancreas disease (PD): closedSubtype SAV3 · started 03 Feb 2025 · Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

06 Dec 2023
1 salmon escapedCause: Under utplukking av svimerfisk fra merd var en uheldig å mistet en fisk på sjøen. · recaptured 1 · Directorate of Fisheries

Wellboat visits

13 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
12 Aug 2026	Seifjell	Buarøy	3 h 28 min
11 Aug 2026	Seifjell	Buarøy	1 h 26 min
11 Aug 2026	Seifjell	Buarøy	1 h 31 min
11 Aug 2026	Seifjell	Buarøy	39 min
05 Aug 2026	Seifjell	Skaftå	1 h 37 min
04 Aug 2026	Seifjell	Skaftå	4 h 25 min
03 Aug 2026	Seifjell	Skaftå	3 h 9 min
03 Aug 2026	Seifjell	Skaftå	36 min
14 Jan 2026	Seihav	Storevikholmen	17 h 10 min
14 Jan 2026	Seihav	Storevikholmen	3 h 14 min
13 Jan 2026	Seihav	Storevikholmen	7 h 0 min
11 Jan 2026	Seihav	Storevikholmen	10 h 35 min

Show 40 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
10 Jan 2026	Seihav	Storevikholmen	10 h 10 min
09 Dec 2025	Seigrunn	Sagen 2	4 h 39 min
08 Dec 2025	Seigrunn	Sagen 2	7 h 34 min
08 Dec 2025	Seigrunn	Sagen 2	2 h 40 min
10 Nov 2025	Seihav	Ramsvik	18 h 57 min
25 Oct 2025	Seihav	Sagen 2	18 h 55 min
24 Oct 2025	Seihav	Sagen 2	5 h 39 min
23 Oct 2025	Seihav	Sagen 2	20 h 34 min
22 Oct 2025	Seihav	Sagen 2	12 h 8 min
27 Sep 2025	Seigrunn	Sagen 2	5 h 29 min
26 Sep 2025	Tonny	Gulholmen disease or zone there	1 h 51 min
26 Sep 2025	Seigrunn	Sagen 2	12 h 51 min
04 Sep 2025	Seihav	Skjerholmen N	14 h 35 min
24 Aug 2025	Seihav	Sagen 2	19 h 12 min
23 Aug 2025	Seihav	Sagen 2	13 h 13 min
22 Aug 2025	Seihav	Sagen 2	5 h 41 min
21 Aug 2025	Seihav	Sagen 2	15 h 30 min
20 Aug 2025	Seihav	Buarøy	18 h 34 min
02 Aug 2025	Seigrunn	Sagen 2	7 h 32 min
01 Aug 2025	Seigrunn	Sagen 2	13 h 55 min
01 Aug 2025	Seigrunn	Sagen 2	36 min
24 Jul 2025	Seigrunn	Sagen 2	15 h 51 min
23 Jul 2025	Seigrunn	Sagen 2	20 h 11 min
22 Jul 2025	Seigrunn	Sagen 2	9 h 12 min
15 Mar 2025	Seihav	Naveide	41 h 9 min
14 Mar 2025	Seihav	Naveide	18 h 4 min
02 Mar 2025	Seigrunn	Sagen 2	13 h 51 min
02 Mar 2025	Seigrunn	Sagen 2	1 h 13 min
01 Mar 2025	Seigrunn	Sagen 2	9 h 40 min
20 Dec 2024	Seihav	Blom	27 h 12 min
18 Dec 2024	Seihav	Blom	41 min
10 Dec 2024	Mowi Star	Flatøyflu II	1 h 36 min
09 Dec 2024	Mowi Star	Flatøyflu II	1 h 31 min
17 Oct 2024	Mowi Star	Otterholmen	2 h 25 min
24 Sep 2024	Seifjell	Langøy	2 h 17 min
12 Aug 2024	Seifjell	Trælsøyosen disease or zone there	1 h 43 min
11 Aug 2024	Seifjell	Trælsøyosen disease or zone there	1 h 40 min
10 Aug 2024	Seifjell	Trælsøyosen disease or zone there	1 h 57 min
09 Aug 2024	Seifjell	Trælsøyosen disease or zone there	1 h 57 min
08 Aug 2024	Seifjell	Trælsøyosen disease or zone there	2 h 3 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
H AV 0065	Undervisning / matfiskSalmon, Rainbow trout, Trout	780 t	Vestland Fylkeskommune
H AV 0098	Visning / matfiskSalmon, Rainbow trout, Trout	780 t	Lerøy Vest AS
H AV 0914	Kommersiell / alger til fôr/konsumButare	unknown	Ocean Forest AS
H AV 0915	Kommersiell / alger til fôr/konsumFingertare	unknown	Ocean Forest AS
H AV 0916	Kommersiell / alger til fôr/konsumHavsalat	unknown	Ocean Forest AS
H AV 0917	Kommersiell / alger til fôr/konsumSukkertare (oppdrett)	unknown	Ocean Forest AS
H AV 0918	Kommersiell / alger til fôr/konsumSøl	unknown	Ocean Forest AS

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