Kvitholmen

Site 45129 · Smøla municipality · Production area 6, Nordmøre og Sør-Trøndelag

Below the lice limit, week 39Operated by Salmar Oppdrett AS · group SalMar

0.05Adult 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 27 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

4Lice treatments in 2026Latest: Mechanical delousing, week 39, 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

3Wellboat visits in 2026by 2 different vessels · latest 19 Apr 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

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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	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	0.00	0.2	Below the limit
19	0.00	0.2	Below the limit
20	0.00	0.2	Below the limit
21	0.00	0.2	Below the limit
22	0.01	0.5	Below the limit
23	0.00	0.5	Below the limit
24	0.04	0.5	Below the limit
25	0.01	0.5	Below the limit
26	0.04	0.5	Below the limit
27	0.09	0.5	Below the limit
28	0.11	0.5	Below the limit
29	0.09	0.5	Below the limit
30	0.11	0.5	Below the limit
31	0.07	0.5	Below the limit
32	0.11	0.5	Below the limit
33	0.18	0.5	Below the limit
34	0.07	0.5	Below the limit
35	0.03	0.5	Below the limit
36	0.07	0.5	Below the limit
37	0.23	0.5	Below the limit
38	0.46	0.5	Near the limit
39	0.05	0.5	Below the limit
40	0.12	0.5	Below the limit

Earlier years

20251 of 39 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	0.48	0.5	Near the limit
2	0.44	0.5	Near the limit
3	0.49	0.5	Near the limit
4	0.19	0.5	Below the limit
5	0.15	0.5	Below the limit
6	0.11	0.5	Below the limit
7	0.18	0.5	Below the limit
8	0.16	0.5	Below the limit
9	0.21	0.5	Below the limit
10	0.21	0.5	Below the limit
11	0.22	0.5	Below the limit
12	0.24	0.5	Below the limit
13	0.36	0.5	Below the limit
14	0.34	0.5	Below the limit
15	0.28	0.5	Below the limit
16	0.02	0.2	Below the limit
17	0.05	0.2	Below the limit
18	0.03	0.2	Below the limit
19	0.04	0.2	Below the limit
20	0.06	0.2	Below the limit
21	0.09	0.2	Below the limit
22	0.21	0.5	Below the limit
23	0.26	0.5	Below the limit
24	0.28	0.5	Below the limit
25	0.38	0.5	Below the limit
26	0.38	0.5	Below the limit
27	0.41	0.5	Near the limit
28	0.45	0.5	Near the limit
29	2.56	0.5	Above the limit
30	0.28	0.5	Below the limit
31	0.49	0.5	Near the limit
32	0.22	0.5	Below the limit
33	0.45	0.5	Near the limit
34	0.44	0.5	Near the limit
35	0.29	0.5	Below the limit
36	0.49	0.5	Near the limit
37	0.13	0.5	Below the limit
38	0.12	0.5	Below the limit
39	0.13	0.5	Below the limit
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

20242 of 30 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	0.00	0.5	Below the limit
24	0.00	0.5	Below the limit
25	0.00	0.5	Below the limit
26	0.00	0.5	Below the limit
27	0.00	0.5	Below the limit
28	0.07	0.5	Below the limit
29	0.02	0.5	Below the limit
30	0.02	0.5	Below the limit
31	0.02	0.5	Below the limit
32	0.00	0.5	Below the limit
33	0.09	0.5	Below the limit
34	0.20	0.5	Below the limit
35	0.49	0.5	Near the limit
36	0.12	0.5	Below the limit
37	0.11	0.5	Below the limit
38	0.11	0.5	Below the limit
39	0.18	0.5	Below the limit
40	0.42	0.5	Near the limit
41	0.46	0.5	Near the limit
42	0.42	0.5	Near the limit
43	0.56	0.5	Above the limit
44	0.63	0.5	Above the limit
45	0.37	0.5	Below the limit
46	0.34	0.5	Below the limit
47	0.26	0.5	Below the limit
48	0.29	0.5	Below the limit
49	0.28	0.5	Below the limit
50	0.23	0.5	Below the limit
51	0.27	0.5	Below the limit
52	0.41	0.5	Near the limit

20230 of 3 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	0.45	0.5	Near the limit
41	0.25	0.5	Below the limit
42	0.29	0.5	Below the limit
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

Treatments

Norwegian Food Safety Authority

Week 39, 2026
Mechanical delousing7 pens
Week 38, 2026
Mechanical delousing2 pens
Week 35, 2026
Mechanical delousing1 pen
Week 34, 2026
Mechanical delousing8 pens

Show all 21

Week 37, 2025
Mechanical delousing5 pens
Week 35, 2025
Mechanical delousing5 pens
Week 34, 2025
Mechanical delousing1 pen
Week 33, 2025
Mechanical delousing2 pens
Week 32, 2025
Mechanical delousing3 pens
Week 31, 2025
Mechanical delousing2 pens
Week 30, 2025
Mechanical delousing5 pens
Week 24, 2025
Mechanical delousing6 pens
Week 16, 2025
Mechanical delousing, Thermal delousing8 pens
Week 5, 2025
Mechanical delousing1 pen
Week 4, 2025
Mechanical delousing6 pens
Week 50, 2024
Other treatment1 pen · FreshWell
Week 45, 2024
Other treatment4 pens · FreshWell
Week 42, 2024
Other treatment1 pen · FreshWell
Week 36, 2024
Other treatment8 pens · Optiflush
Week 29, 2024
Other treatment3 pens · Ferskvann/Thermolicer
Week 28, 2024
Other treatment3 pens · Ferskvann/Thermolicer

Disease

Norwegian Food Safety Authority

01 Jan 2026
Pancreas disease (PD): closedSubtype SAV2 · started 03 Oct 2024 · Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

No escapes reported from this site since 2006.

Wellboat visits

3 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
19 Apr 2026	Ronja Vita	Furneset	4 h 28 min
06 Apr 2026	Ronja Aurora	Suholmen	4 h 2 min
03 Apr 2026	Ronja Vita	Hallarøy V	8 h 15 min
20 Oct 2025	Aasvaerfjord	Suholmen	3 h 51 min
07 Oct 2025	Aasvaerfjord	Nordskag	34 min
06 Oct 2025	Aasvaerfjord	Nordskag	3 h 58 min
06 Oct 2025	Aasvaerfjord	Nordskag	2 h 34 min
05 Oct 2025	Aasvaerfjord	Nordskag	4 h 21 min
30 Sep 2025	Aasvaerfjord	Nordskag	1 h 51 min
23 Sep 2025	Ronja Princess	Nordskag	5 h 13 min
05 Aug 2025	Aasvaerfjord	Suholmen	15 h 32 min
03 Aug 2025	Aasvaerfjord	Suholmen	27 h 45 min

Show 31 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
02 Aug 2025	Aasvaerfjord	Suholmen	24 h 54 min
27 Jul 2025	Ronja Superior	Nordskag	2 h 37 min
24 Jul 2025	Ronja Superior	Nordskag	2 h 43 min
23 Jul 2025	Ronja Superior	Nordskag	1 h 53 min
21 Jul 2025	Ronja Superior	Aukan	4 h 27 min
21 Jul 2025	Aasvaerfjord	Gjerde	72 h 59 min
10 Jul 2025	Ronja Princess	Nordskag	1 h 38 min
09 Jul 2025	Ronja Princess	Nordskag	3 h 25 min
07 Jul 2025	Ronja Princess	Nordskag	2 h 47 min
26 Jun 2025	Ronja Princess	Nordskag	1 h 56 min
25 Jun 2025	Froy Odin	Nordskag	2 h 34 min
15 Apr 2025	Ro Senja	Suholmen	57 h 27 min
26 Jan 2025	Ro Senja	Korsneset	14 h 56 min
25 Jan 2025	Ro Senja	Korsneset	4 h 5 min
24 Jan 2025	Ro Senja	Korsneset	21 h 1 min
23 Jan 2025	Ro Senja	Korsneset	8 h 28 min
11 Dec 2024	Ronja Princess	Nordskag	16 h 40 min
10 Nov 2024	Ronja Princess	Opshaugvik Land	15 h 33 min
09 Nov 2024	Ronja Princess	Opshaugvik Land	1 h 56 min
08 Nov 2024	Ronja Princess	Opshaugvik Land	14 h 20 min
20 Oct 2024	Ronja Princess	Fjordprakken	4 h 22 min
08 Sep 2024	Ro Senja	Singsholmen	12 h 9 min
07 Sep 2024	Ro Senja	Singsholmen	17 h 1 min
06 Sep 2024	Ro Senja	Singsholmen	14 h 26 min
16 Jul 2024	Ro Senja	Reiråklakken	7 h 32 min
15 Jul 2024	Ro Senja	Reiråklakken	18 h 30 min
14 Jul 2024	Ro Senja	Reiråklakken	13 h 21 min
09 Jul 2024	Ronja Aurora	Oterneset	2 h 32 min
13 Jun 2024	Ronja Aurora	Håbranden	2 h 10 min
13 Jun 2024	Ronja Aurora	Håbranden	3 h 46 min
08 Jun 2024	Ronja Aurora	Håbranden	4 h 27 min

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

Licences

Site MAB: 6,240 tonnes

Licence	Type	Capacity	Holder
M AE 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
M AE 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
M SM 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
M SM 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
M SM 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
M SM 0038	Visning / matfiskSalmon, Rainbow trout, Trout	780 t	Nekton Havbruk AS
M SM 0042	Kommersiell / matfiskSalmon, Rainbow trout, Trout	769 t	Prophylaxia AS
M T 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
M T 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
M T 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS

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