Vintraviki

Site 11925 · Suldal municipality · Production area 2, Ryfylke

Below the lice limit, week 39Operated by Nordsjø Fjordbruk AS · group unknown

0.00Adult 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 14 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

0Wellboat visits in 2026Latest visit 06 Dec 2025Derived 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	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	0.00	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.00	0.5	Below the limit
30	0.00	0.5	Below the limit
31	0.00	0.5	Below the limit
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	0.00	0.5	Below the limit
39	0.00	0.5	Below the limit
40	0.00	0.5	Below the limit

Earlier years

20252 of 47 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	unknown	0.5	Not reported
2	0.13	0.5	Below the limit
3	0.15	0.5	Below the limit
4	0.18	0.5	Below the limit
5	0.20	0.5	Below the limit
6	0.15	0.5	Below the limit
7	0.25	0.5	Below the limit
8	0.20	0.5	Below the limit
9	0.25	0.5	Below the limit
10	0.28	0.5	Below the limit
11	0.40	0.5	Near the limit
12	0.40	0.5	Near the limit
13	0.40	0.5	Near the limit
14	0.40	0.5	Near the limit
15	0.06	0.5	Below the limit
16	0.03	0.2	Below the limit
17	0.07	0.2	Below the limit
18	0.10	0.2	Below the limit
19	0.07	0.2	Below the limit
20	0.12	0.2	Below the limit
21	0.08	0.2	Below the limit
22	0.17	0.5	Below the limit
23	0.17	0.5	Below the limit
24	0.30	0.5	Below the limit
25	0.30	0.5	Below the limit
26	0.33	0.5	Below the limit
27	0.82	0.5	Above the limit
28	0.10	0.5	Below the limit
29	0.15	0.5	Below the limit
30	0.13	0.5	Below the limit
31	0.16	0.5	Below the limit
32	0.20	0.5	Below the limit
33	0.49	0.5	Near the limit
34	0.48	0.5	Near the limit
35	0.78	0.5	Above the limit
36	0.13	0.5	Below the limit
37	0.08	0.5	Below the limit
38	0.25	0.5	Below the limit
39	0.33	0.5	Below the limit
40	0.40	0.5	Near the limit
41	0.45	0.5	Near the limit
42	0.22	0.5	Below the limit
43	0.40	0.5	Near the limit
44	0.38	0.5	Below the limit
45	0.38	0.5	Below the limit
46	0.40	0.5	Near the limit
47	0.40	0.5	Near the limit
48	0.48	0.5	Near the limit
49	unknown	0.5	Not reported
50	unknown	0.5	Not reported
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

20240 of 27 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	0.03	0.5	Below the limit
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	0.00	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.00	0.5	Below the limit
30	0.00	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.00	0.5	Below the limit
33	0.23	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	0.00	0.5	Below the limit
39	0.00	0.5	Below the limit
40	0.00	0.5	Below the limit
41	0.00	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.00	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.00	0.5	Below the limit
46	0.00	0.5	Below the limit
47	0.00	0.5	Below the limit
48	0.00	0.5	Below the limit
49	0.00	0.5	Below the limit
50	0.00	0.5	Below the limit
51	0.00	0.5	Below the limit
52	0.00	0.5	Below the limit

20230 of 8 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	0.43	0.5	Near the limit
41	0.38	0.5	Below the limit
42	0.43	0.5	Near the limit
43	0.38	0.5	Below the limit
44	0.38	0.5	Below the limit
45	0.25	0.5	Below the limit
46	0.40	0.5	Near the limit
47	0.40	0.5	Near the limit
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

Treatments

Norwegian Food Safety Authority

Week 42, 2025
Mechanical delousing1 pen
Week 36, 2025
Thermal delousingWhole site
Week 28, 2025
Thermal delousingWhole site
Week 15, 2025
Thermal delousingWhole site

Show all 5

Week 43, 2023
Mechanical delousingWhole site

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

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
06 Dec 2025	Kristoffer Tronds	Bjelkavik	7 h 9 min
02 Sep 2025	Kristoffer Tronds	Sunde	11 h 33 min
18 Aug 2025	Kristoffer Tronds	Sunde	5 h 34 min
13 Jul 2025	Kristoffer Tronds	Sunde	18 h 6 min
12 Jul 2025	Kristoffer Tronds	Sunde	7 h 2 min
13 Apr 2025	Kristoffer Tronds	Bjelkavik	13 h 52 min
21 Sep 2024	Mowi Star	Skorpo	1 h 26 min

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

Who has reported

The companies that have submitted lice counts for this site, with the first and last week.

Company	From	To
Rogaland Fjordbruk AS	Week 40, 2023	Week 47, 2025
Nordsjø Fjordbruk AS	Week 48, 2025	Week 40, 2026

Source: Norwegian Food Safety Authority (organisation number on each lice report)

Licences

Site MAB: 520 tonnes

Licence	Type	Capacity	Holder
R SS 0017	Kommersiell / matfiskSalmon, Rainbow trout, Trout	830 t	Nordsjø Fjordbruk AS

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