Stualand

Site 26235 · Sveio municipality · Production area 3, Karmøy til Sotra

Status unknown: not reported in week 39Operated by Sjøtroll Havbruk Sjø AS · group Lerøy Seafood Group

unknownAdult female lice per fishNo count in week 39. Latest: 0.27 in week 29, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 29 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

8Lice treatments in 2026Latest: Thermal delousing, week 26, 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

11Wellboat visits in 2026by 2 different vessels · latest 27 Jun 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported47,647 rainbow trout, February 2016Since 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	0.16	0.5	Below the limit
2	0.14	0.5	Below the limit
3	0.27	0.5	Below the limit
4	0.31	0.5	Below the limit
5	0.29	0.5	Below the limit
6	0.10	0.5	Below the limit
7	0.24	0.5	Below the limit
8	0.15	0.5	Below the limit
9	0.07	0.5	Below the limit
10	0.02	0.5	Below the limit
11	0.09	0.5	Below the limit
12	0.11	0.5	Below the limit
13	0.08	0.5	Below the limit
14	0.19	0.5	Below the limit
15	0.20	0.5	Below the limit
16	0.02	0.2	Below the limit
17	0.01	0.2	Below the limit
18	0.06	0.2	Below the limit
19	0.12	0.2	Below the limit
20	0.10	0.2	Below the limit
21	0.10	0.2	Below the limit
22	0.26	0.5	Below the limit
23	0.15	0.5	Below the limit
24	0.30	0.5	Below the limit
25	0.25	0.5	Below the limit
26	0.13	0.5	Below the limit
27	0.28	0.5	Below the limit
28	0.17	0.5	Below the limit
29	0.27	0.5	Below the limit
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

20252 of 44 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	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	0.00	0.5	Below the limit
10	0.00	0.5	Below the limit
11	0.00	0.5	Below the limit
12	0.00	0.5	Below the limit
13	0.00	0.5	Below the limit
14	0.00	0.5	Below the limit
15	0.00	0.5	Below the limit
16	0.00	0.2	Below the limit
17	0.00	0.2	Below the limit
18	0.04	0.2	Below the limit
19	0.04	0.2	Below the limit
20	0.04	0.2	Below the limit
21	0.05	0.2	Below the limit
22	0.10	0.5	Below the limit
23	0.04	0.5	Below the limit
24	0.09	0.5	Below the limit
25	0.06	0.5	Below the limit
26	0.10	0.5	Below the limit
27	0.26	0.5	Below the limit
28	0.06	0.5	Below the limit
29	0.09	0.5	Below the limit
30	0.19	0.5	Below the limit
31	0.43	0.5	Near the limit
32	0.10	0.5	Below the limit
33	0.36	0.5	Below the limit
34	0.28	0.5	Below the limit
35	0.05	0.5	Below the limit
36	0.10	0.5	Below the limit
37	0.20	0.5	Below the limit
38	0.34	0.5	Below the limit
39	2.24	0.5	Above the limit
40	2.50	0.5	Above the limit
41	0.42	0.5	Near the limit
42	0.46	0.5	Near the limit
43	0.44	0.5	Near the limit
44	0.44	0.5	Near the limit
45	0.11	0.5	Below the limit
46	0.09	0.5	Below the limit
47	0.36	0.5	Below the limit
48	0.49	0.5	Near the limit
49	0.26	0.5	Below the limit
50	0.47	0.5	Near the limit
51	0.48	0.5	Near the limit
52	0.35	0.5	Below the limit

20240 of 38 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	0.09	0.5	Below the limit
2	0.11	0.5	Below the limit
3	0.20	0.5	Below the limit
4	0.06	0.5	Below the limit
5	0.22	0.5	Below the limit
6	0.06	0.5	Below the limit
7	0.00	0.5	Below the limit
8	0.05	0.5	Below the limit
9	0.06	0.5	Below the limit
10	0.11	0.5	Below the limit
11	0.13	0.5	Below the limit
12	0.14	0.5	Below the limit
13	0.13	0.5	Below the limit
14	0.07	0.5	Below the limit
15	0.09	0.5	Below the limit
16	0.10	0.2	Below the limit
17	0.09	0.2	Below the limit
18	0.09	0.2	Below the limit
19	0.00	0.2	Below the limit
20	0.02	0.2	Below the limit
21	0.03	0.2	Below the limit
22	0.19	0.5	Below the limit
23	0.10	0.5	Below the limit
24	0.22	0.5	Below the limit
25	0.30	0.5	Below the limit
26	0.44	0.5	Near the limit
27	0.44	0.5	Near the limit
28	0.20	0.5	Below the limit
29	0.15	0.5	Below the limit
30	0.28	0.5	Below the limit
31	0.23	0.5	Below the limit
32	0.13	0.5	Below the limit
33	0.20	0.5	Below the limit
34	0.19	0.5	Below the limit
35	0.28	0.5	Below the limit
36	0.13	0.5	Below the limit
37	0.23	0.5	Below the limit
38	0.25	0.5	Below the limit
39	unknown	0.5	Not reported
40	unknown	0.5	Not reported
41	unknown	0.5	Not reported
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

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	0.35	0.5	Below the limit
42	0.19	0.5	Below the limit
43	0.18	0.5	Below the limit
44	0.04	0.5	Below the limit
45	0.08	0.5	Below the limit
46	0.34	0.5	Below the limit
47	0.18	0.5	Below the limit
48	0.14	0.5	Below the limit
49	0.13	0.5	Below the limit
50	0.29	0.5	Below the limit
51	0.04	0.5	Below the limit
52	0.10	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 26, 2026
Thermal delousing1 pen
Week 25, 2026
Mechanical delousing1 pen
Week 21, 2026
Mechanical delousing1 pen
Week 20, 2026
Thermal delousing2 pens

Show all 33

Week 16, 2026
Thermal delousing5 pens
Week 8, 2026
Thermal delousing4 pens
Week 6, 2026
Freshwater treatment, Thermal delousing2 pens
Week 1, 2026
Freshwater treatment, Thermal delousing6 pens
Week 52, 2025
Freshwater treatment, Thermal delousing2 pens
Week 49, 2025
Thermal delousing4 pens
Week 48, 2025
Thermal delousing2 pens
Week 45, 2025
Thermal delousing5 pens
Week 43, 2025
Thermal delousing5 pens
Week 41, 2025
Thermal delousing4 pens
Week 35, 2025
Thermal delousing2 pens
Week 34, 2025
Thermal delousing3 pens
Week 32, 2025
Freshwater treatment, Thermal delousingWhole site
Week 28, 2025
Freshwater treatment, Thermal delousing8 pens
Week 32, 2024
Mechanical delousing2 pens
Week 31, 2024
Mechanical delousing1 pen
Week 28, 2024
Thermal delousing3 pens
Week 25, 2024
Mechanical delousing2 pens
Week 24, 2024
Mechanical delousing1 pen
Week 19, 2024
Thermal delousing3 pens
Week 18, 2024
Thermal delousing2 pens
Week 6, 2024
Thermal delousingWhole site
Week 51, 2023
Other treatment5 pens · Optilicer
Week 48, 2023
Other treatment1 pen · Optilicer
Week 47, 2023
Other treatment4 pens · Optilicer
Week 44, 2023
Other treatmentWhole site · Skamik
Week 43, 2023
Other treatment1 pen · Optilicer
Week 42, 2023
Other treatment4 pens · Optilicer
Week 40, 2023
Other treatment5 pens · Optilicer

Disease

Norwegian Food Safety Authority

22 Feb 2025
Pancreas disease (PD): closedSubtype SAV3 · started 02 May 2024 · Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

18 Feb 2016
47,647 rainbow trout escapedCause: Gnag · recaptured 1 · Directorate of Fisheries

Wellboat visits

11 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
27 Jun 2026	Seigrunn	no other farm	1 h 0 min
27 Jun 2026	Seigrunn	no other farm	8 h 49 min
12 May 2026	Seihav	Kelvesteinen	10 h 18 min
11 May 2026	Seihav	Kelvesteinen	8 h 28 min
16 Apr 2026	Seigrunn	Storoksen	41 h 1 min
20 Feb 2026	Seigrunn	Buholmen disease or zone there	7 h 34 min
20 Feb 2026	Seigrunn	Buholmen disease or zone there	7 h 33 min
18 Feb 2026	Seigrunn	Buholmen disease or zone there	29 h 52 min
05 Feb 2026	Seigrunn	Raunevågen	6 h 45 min
30 Dec 2025	Seigrunn	Buholmen disease or zone there	29 h 8 min
29 Dec 2025	Seigrunn	Buholmen disease or zone there	18 h 38 min
28 Dec 2025	Seigrunn	Buholmen disease or zone there	11 h 45 min

Show 14 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
08 Aug 2025	Seigrunn	Sagen 2	37 min
07 Aug 2025	Seigrunn	Sagen 2	15 h 6 min
06 Aug 2025	Seigrunn	Sagen 2	12 h 7 min
12 Jul 2025	Seigrunn	Sagen 2	1 h 25 min
11 Jul 2025	Seigrunn	Sagen 2	17 h 58 min
17 Jun 2025	Mowi Star	no other farm	1 h 2 min
26 Mar 2025	Mowi Star	Raunevågen	1 h 12 min
25 Mar 2025	Mowi Star	Raunevågen	2 h 5 min
06 Mar 2025	Mowi Star	no other farm	1 h 34 min
05 Mar 2025	Mowi Star	no other farm	51 min
04 Mar 2025	Mowi Star	Urda	1 h 23 min
03 Mar 2025	Mowi Star	Urda	1 h 6 min
02 Mar 2025	Mowi Star	Urda	1 h 10 min
01 Mar 2025	Mowi Star	Urda	1 h 0 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 B 0023	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Sjøtroll Havbruk Sjø AS
H FJ 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Sjøtroll Havbruk Sjø AS
H FJ 0006	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

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