Orholmen

Site 39937 · Aukra municipality · Production area 5, Stadt til Hustadvika

Below the lice limit, week 39Operated by Måsøval Lisens AS

0.16Adult 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 29 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

7Lice treatments in 2026Latest: Thermal delousing, week 38, 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

12Wellboat visits in 2026by 3 different vessels · latest 12 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	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	0.00	0.2	Below the limit
19	0.00	0.2	Below the limit
20	0.00	0.2	Below the limit
21	0.03	0.2	Below the limit
22	0.04	0.5	Below the limit
23	0.25	0.5	Below the limit
24	0.44	0.5	Near the limit
25	0.01	0.5	Below the limit
26	0.06	0.5	Below the limit
27	0.08	0.5	Below the limit
28	0.07	0.5	Below the limit
29	0.06	0.5	Below the limit
30	0.03	0.5	Below the limit
31	0.19	0.5	Below the limit
32	0.19	0.5	Below the limit
33	0.01	0.5	Below the limit
34	0.04	0.5	Below the limit
35	0.05	0.5	Below the limit
36	0.04	0.5	Below the limit
37	0.41	0.5	Near the limit
38	0.07	0.5	Below the limit
39	0.16	0.5	Below the limit

Earlier years

20250 of 24 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	0.34	0.5	Below the limit
2	0.23	0.5	Below the limit
3	0.23	0.5	Below the limit
4	0.11	0.5	Below the limit
5	0.11	0.5	Below the limit
6	0.22	0.5	Below the limit
7	0.11	0.5	Below the limit
8	0.10	0.5	Below the limit
9	0.13	0.5	Below the limit
10	0.17	0.5	Below the limit
11	0.19	0.5	Below the limit
12	0.18	0.5	Below the limit
13	0.13	0.5	Below the limit
14	0.11	0.5	Below the limit
15	0.11	0.5	Below the limit
16	0.14	0.2	Below the limit
17	0.15	0.2	Below the limit
18	0.09	0.2	Below the limit
19	0.09	0.2	Below the limit
20	0.10	0.2	Below the limit
21	0.06	0.2	Below the limit
22	0.11	0.5	Below the limit
23	0.19	0.5	Below the limit
24	0.43	0.5	Near the limit
25	unknown	0.5	Reported without a count
26	unknown	0.5	Reported without a count
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	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
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

20240 of 41 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	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	0.00	0.2	Below the limit
19	0.00	0.2	Below the limit
20	0.00	0.2	Below the limit
21	0.01	0.2	Below the limit
22	0.08	0.5	Below the limit
23	0.10	0.5	Below the limit
24	0.13	0.5	Below the limit
25	0.08	0.5	Below the limit
26	0.08	0.5	Below the limit
27	0.11	0.5	Below the limit
28	0.19	0.5	Below the limit
29	0.26	0.5	Below the limit
30	0.48	0.5	Near the limit
31	0.09	0.5	Below the limit
32	0.15	0.5	Below the limit
33	0.18	0.5	Below the limit
34	0.24	0.5	Below the limit
35	0.48	0.5	Near the limit
36	0.14	0.5	Below the limit
37	0.15	0.5	Below the limit
38	0.48	0.5	Near the limit
39	0.34	0.5	Below the limit
40	0.08	0.5	Below the limit
41	0.48	0.5	Near the limit
42	0.18	0.5	Below the limit
43	0.37	0.5	Below the limit
44	0.45	0.5	Near the limit
45	0.15	0.5	Below the limit
46	0.15	0.5	Below the limit
47	0.27	0.5	Below the limit
48	0.20	0.5	Below the limit
49	0.16	0.5	Below the limit
50	0.29	0.5	Below the limit
51	0.32	0.5	Below the limit
52	0.49	0.5	Near the limit

Treatments

Norwegian Food Safety Authority

Week 38, 2026
Thermal delousing6 pens
Week 36, 2026
Mechanical delousing2 pens
Week 33, 2026
Freshwater treatment, Thermal delousing4 pens
Week 32, 2026
Other treatment4 pens · Kombi FV+ TLC

Show all 17

Week 29, 2026
Mechanical delousing4 pens
Week 25, 2026
Mechanical delousing4 pens
Week 18, 2025
Other treatment2 pens · Kombinasjon Thermolicer + Optiflush
Week 2, 2025
Thermal delousing5 pens
Week 47, 2024
Mechanical delousing1 pen
Week 45, 2024
Mechanical delousing5 pens
Week 43, 2024
Mechanical delousing2 pens
Week 42, 2024
Mechanical delousing, Thermal delousing3 pens
Week 40, 2024
Mechanical delousing3 pens
Week 39, 2024
Mechanical delousing3 pens
Week 36, 2024
Mechanical delousing, Other treatment4 pens · Ferskvann + Thermolicer
Week 34, 2024
Other treatment2 pens · Flatsetsundspyler
Week 31, 2024
Other treatment2 pens · Ferskvann + Thermolicer

Disease

Norwegian Food Safety Authority

20 Jan 2026
Pancreas disease (PD): closedSubtype SAV2 · started 06 Jun 2025 · Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

No escapes reported from this site since 2006.

Wellboat visits

12 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	Njord Kya	Opshaugvik Land	21 h 24 min
11 Aug 2026	Njord Kya	Opshaugvik Land	11 h 40 min
10 Aug 2026	Njord Kya	Ulvan	16 h 20 min
09 Aug 2026	Njord Kya	Ulvan	17 h 42 min
07 Aug 2026	Njord Kya	Ulvan	31 h 39 min
21 Apr 2026	Njord Kya	Djuptaren	10 h 43 min
21 Apr 2026	Njord Kya	Djuptaren	3 h 23 min
20 Apr 2026	Njord Kya	Djuptaren	10 h 35 min
17 Apr 2026	Doennland	Honnhammarvika	2 h 47 min
07 Mar 2026	Ro Spirit	Skorpo	3 h 18 min
06 Mar 2026	Ro Spirit	Skorpo	4 h 48 min
05 Mar 2026	Ro Spirit	Skorpo	45 min

Show 29 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
23 Jun 2025	Ro Master	Rindarøy	1 h 3 min
22 Jun 2025	Ro Master	Hesteneset	4 h 26 min
16 Jun 2025	Robas	no other farm	1 h 1 min
16 Jun 2025	Robas	no other farm	3 h 16 min
15 Jun 2025	Robas	no other farm	1 h 26 min
15 Jun 2025	Robas	no other farm	2 h 10 min
26 May 2025	Robas	Rindarøy	1 h 13 min
25 May 2025	Robas	Rindarøy	2 h 32 min
25 May 2025	Robas	Haneholmen	1 h 44 min
20 May 2025	Robris	Rindarøy	1 h 39 min
19 May 2025	Robris	Rindarøy	1 h 52 min
19 May 2025	Robris	no other farm	1 h 45 min
03 May 2025	Ro Fjell	Furneset	8 h 13 min
01 May 2025	Ro Fjell	Furneset	18 h 2 min
19 Mar 2025	Ro Fjord	Beitveit	6 h 25 min
22 Feb 2025	Robris	Rindarøy	1 h 14 min
31 Jan 2025	Neptun	Gaustad	2 h 21 min
12 Jan 2025	Ro Master	Gjermundnes	2 h 4 min
17 Oct 2024	Ro Venture	Urdaneset	9 h 46 min
07 Sep 2024	Ro Server	Opshaugvik Land	3 h 45 min
06 Sep 2024	Ro Server	Opshaugvik Land	13 h 35 min
05 Sep 2024	Ro Server	Opshaugvik Land	10 h 39 min
04 Sep 2024	Ro Server	Opshaugvik Land	9 h 15 min
03 Aug 2024	Ro Venture	Kvangardsnes	31 h 14 min
27 Apr 2024	Viknatrans	Hårkallbåen	4 h 10 min
16 Apr 2024	Ro Spirit	Rindarøy	3 h 18 min
21 Mar 2024	Ro Chief	Storevik	1 h 42 min
20 Mar 2024	Neptun	Renndalen	2 h 51 min
20 Mar 2024	Ro Spirit	no other farm	12 h 39 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
Måsøval AS	Week 12, 2024	Week 3, 2025
Måsøval Lisens AS	Week 4, 2025	Week 39, 2026

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

Licences

Site MAB: 3,120 tonnes

Licence	Type	Capacity	Holder
M AV 0028	Undervisning / matfiskSalmon	780 t	Møre Og Romsdal Fylkeskommune
ST HE 0018	Kommersiell / matfiskSalmon, Rainbow trout, Trout	733 t	Måsøval Lisens AS
ST SI 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	733 t	Måsøval Lisens AS

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