Buarøy

Site 31038 · Øygarden municipality · Production area 3, Karmøy til Sotra

Near the lice limit, week 39Operated by Sjøtroll Havbruk Sjø AS

0.45Adult 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 7 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

0Lice treatments in 2026None recorded2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Active disease casesNone recordedRegister since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

8Wellboat visits in 2026by 1 vessel · latest 09 Aug 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

Show as table

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	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	0.00	0.5	Below the limit
34	0.00	0.5	Below the limit
35	0.00	0.5	Below the limit
36	0.03	0.5	Below the limit
37	0.15	0.5	Below the limit
38	0.32	0.5	Below the limit
39	0.45	0.5	Near the limit

Earlier years

20256 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

Show as table

Adult female lice per fish per week, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.18	0.5	Below the limit
2	0.22	0.5	Below the limit
3	0.33	0.5	Below the limit
4	0.43	0.5	Near the limit
5	0.49	0.5	Near the limit
6	0.29	0.5	Below the limit
7	0.49	0.5	Near the limit
8	0.27	0.5	Below the limit
9	0.04	0.5	Below the limit
10	0.03	0.5	Below the limit
11	0.03	0.5	Below the limit
12	0.02	0.5	Below the limit
13	0.04	0.5	Below the limit
14	0.06	0.5	Below the limit
15	0.11	0.5	Below the limit
16	0.10	0.2	Below the limit
17	0.17	0.2	Near the limit
18	0.12	0.2	Below the limit
19	0.07	0.2	Below the limit
20	0.03	0.2	Below the limit
21	0.03	0.2	Below the limit
22	0.04	0.5	Below the limit
23	0.06	0.5	Below the limit
24	0.10	0.5	Below the limit
25	0.20	0.5	Below the limit
26	0.36	0.5	Below the limit
27	0.38	0.5	Below the limit
28	0.05	0.5	Below the limit
29	0.04	0.5	Below the limit
30	0.05	0.5	Below the limit
31	1.11	0.5	Above the limit
32	0.68	0.5	Above the limit
33	0.39	0.5	Below the limit
34	0.09	0.5	Below the limit
35	0.10	0.5	Below the limit
36	0.14	0.5	Below the limit
37	0.22	0.5	Below the limit
38	0.55	0.5	Above the limit
39	0.85	0.5	Above the limit
40	0.67	0.5	Above the limit
41	0.09	0.5	Below the limit
42	0.09	0.5	Below the limit
43	0.13	0.5	Below the limit
44	0.16	0.5	Below the limit
45	0.22	0.5	Below the limit
46	0.43	0.5	Near the limit
47	0.51	0.5	Above the limit
48	0.25	0.5	Below the limit
49	0.29	0.5	Below the limit
50	0.31	0.5	Below the limit
51	0.04	0.5	Below the limit
52	unknown	0.5	Not reported

20240 of 21 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	Reported without a count
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	0.08	0.5	Below the limit
36	0.08	0.5	Below the limit
37	0.05	0.5	Below the limit
38	0.03	0.5	Below the limit
39	0.02	0.5	Below the limit
40	0.04	0.5	Below the limit
41	0.04	0.5	Below the limit
42	0.04	0.5	Below the limit
43	0.15	0.5	Below the limit
44	0.27	0.5	Below the limit
45	0.23	0.5	Below the limit
46	0.13	0.5	Below the limit
47	0.05	0.5	Below the limit
48	0.06	0.5	Below the limit
49	0.06	0.5	Below the limit
50	0.07	0.5	Below the limit
51	0.11	0.5	Below the limit
52	0.14	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 48, 2025
Freshwater treatment, Thermal delousing4 pens
Week 47, 2025
Thermal delousing, Freshwater treatment2 pens
Week 41, 2025
Freshwater treatment, Thermal delousing6 pens
Week 33, 2025
Thermal delousing, Freshwater treatment10 pens

Show all 13

Week 28, 2025
Thermal delousing, Freshwater treatment10 pens
Week 27, 2025
Freshwater treatment, Thermal delousing6 pens
Week 19, 2025
Freshwater treatment, Thermal delousing14 pens
Week 18, 2025
Freshwater treatment, Thermal delousing2 pens
Week 9, 2025
Freshwater treatment, Thermal delousing6 pens
Week 8, 2025
Freshwater treatment, Thermal delousing4 pens
Week 6, 2025
Freshwater treatment, Thermal delousing6 pens
Week 47, 2024
Thermal delousing1 pen
Week 45, 2024
Medicinal bath, Thermal delousing, Freshwater treatment11 pens · Azamethiphos

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

8 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 Aug 2026	Seifjell	Flatøyflu	8 h 47 min
09 Aug 2026	Seifjell	Flatøyflu	2 h 17 min
08 Aug 2026	Seifjell	Flatøyflu	6 h 16 min
08 Aug 2026	Seifjell	Flatøyflu	1 h 25 min
08 Aug 2026	Seifjell	Flatøyflu	1 h 30 min
07 Aug 2026	Seifjell	Flatøyflu	1 h 38 min
06 Aug 2026	Seifjell	Flatøyflu	8 h 6 min
06 Aug 2026	Seifjell	Flatøyflu	6 h 0 min
26 Nov 2025	Seihav	Sagen 2	18 h 11 min
25 Nov 2025	Seihav	Sagen 2	10 h 6 min
24 Nov 2025	Seihav	Sagen 2	11 h 46 min
24 Nov 2025	Seihav	Sagen 2	3 h 57 min

Show 56 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
23 Nov 2025	Seihav	Sagen 2	15 h 26 min
07 Oct 2025	Seihav	Sagen 2	16 h 15 min
06 Oct 2025	Seihav	Sagen 2	7 h 0 min
01 Oct 2025	Seihav	Sagen 2	16 h 18 min
30 Sep 2025	Seihav	Sagen 2	10 h 32 min
29 Sep 2025	Seihav	Sagen 2	20 h 19 min
28 Sep 2025	Seihav	Sagen 2	9 h 43 min
26 Sep 2025	Tonny	Gjermundnes	1 h 49 min
18 Aug 2025	Seihav	Sagen 2	19 h 29 min
17 Aug 2025	Seihav	Sagen 2	9 h 13 min
16 Aug 2025	Seihav	Sagen 2	17 h 13 min
15 Aug 2025	Seihav	Sagen 2	16 h 5 min
14 Aug 2025	Seihav	Sagen 2	13 h 18 min
14 Aug 2025	Seigrunn	Sagen 2	17 h 10 min
13 Aug 2025	Seigrunn	Sagen 2	1 h 13 min
13 Aug 2025	Seihav	Sagen 2	19 h 17 min
13 Jul 2025	Seihav	Buholmen ISA/PD outbreak there	18 h 2 min
12 Jul 2025	Seihav	Buholmen ISA/PD outbreak there	7 h 44 min
11 Jul 2025	Seihav	Buholmen ISA/PD outbreak there	5 h 21 min
11 Jul 2025	Seihav	Buholmen ISA/PD outbreak there	7 h 50 min
10 Jul 2025	Seihav	Buholmen ISA/PD outbreak there	4 h 52 min
10 Jul 2025	Seihav	Buholmen ISA/PD outbreak there	7 h 42 min
08 Jul 2025	Seihav	Buholmen ISA/PD outbreak there	26 h 4 min
07 Jul 2025	Seihav	Buholmen ISA/PD outbreak there	8 h 0 min
06 Jul 2025	Seihav	Buholmen ISA/PD outbreak there	18 h 35 min
05 Jul 2025	Seihav	Buholmen ISA/PD outbreak there	14 h 11 min
09 May 2025	Seigrunn	Sagen 2	1 h 31 min
05 May 2025	Seigrunn	Sagen 2	2 h 34 min
05 May 2025	Seihav	Trælsøyosen	4 h 1 min
05 May 2025	Seihav	Trælsøyosen	6 h 4 min
05 May 2025	Seigrunn	Sagen 2	11 h 27 min
05 May 2025	Seigrunn	Sagen 2	1 h 25 min
05 May 2025	Seihav	Trælsøyosen	5 h 46 min
02 May 2025	Tonny	Skorpo NV	31 min
25 Feb 2025	Hordagut	Hyseneset	2 h 29 min
24 Feb 2025	Hordagut	Hyseneset	21 h 34 min
24 Feb 2025	Seihav	Sagen 2	25 h 47 min
18 Feb 2025	Seigrunn	Skorpo NV	1 h 51 min
17 Feb 2025	Seigrunn	Skorpo NV	17 h 11 min
07 Feb 2025	Seigrunn	Sagen 2	5 h 39 min
06 Feb 2025	Seigrunn	Sagen 2	2 h 22 min
06 Feb 2025	Seigrunn	Sagen 2	3 h 51 min
05 Feb 2025	Seigrunn	Sagen 2	8 h 17 min
30 Dec 2024	Navoey	Skåtholmen	51 min
30 Dec 2024	Navoey	Skåtholmen	2 h 2 min
15 Dec 2024	Seifjell	Danielsnes	1 h 24 min
19 Nov 2024	Navoey	Haugsnesvåg	3 h 52 min
14 Nov 2024	Navoey	Haugsnesvåg	1 h 15 min
11 Nov 2024	Seihav	Hestabyneset	3 h 19 min
10 Nov 2024	Seihav	Hestabyneset	14 h 27 min
09 Nov 2024	Seihav	Hestabyneset	18 h 52 min
25 Sep 2024	Seifjell	Flatøyflu	4 h 10 min
22 Aug 2024	Seifjell	Sagen 2	2 h 2 min
21 Aug 2024	Seifjell	Sagen 2	1 h 55 min
03 Aug 2024	Seifjell	Kjerringneset	2 h 14 min
02 Aug 2024	Seifjell	Kjerringneset	6 h 49 min

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

Licences

Site MAB: 4,680 tonnes

Licence	Type	Capacity	Holder
H B 0023	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Sjøtroll Havbruk Sjø AS
H FJ 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Sjøtroll Havbruk Sjø AS
H S 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Sjøtroll Havbruk Sjø AS
H S 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Sjøtroll Havbruk Sjø AS
H S 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Sjøtroll Havbruk Sjø AS
H S 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Sjøtroll Havbruk Sjø AS

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