Andholmen 1

Site 32277 · Smøla municipality · Production area 6, Nordmøre og Sør-Trøndelag

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

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 18 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

19Wellboat visits in 2026by 6 different vessels · latest 07 Sep 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	0.32	0.5	Below the limit
2	0.18	0.5	Below the limit
3	0.18	0.5	Below the limit
4	0.11	0.5	Below the limit
5	0.16	0.5	Below the limit
6	0.09	0.5	Below the limit
7	0.11	0.5	Below the limit
8	0.10	0.5	Below the limit
9	0.11	0.5	Below the limit
10	0.07	0.5	Below the limit
11	0.08	0.5	Below the limit
12	0.18	0.5	Below the limit
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	Not reported
33	unknown	0.5	Not reported
34	unknown	0.5	Not reported
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

20250 of 52 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	0.02	0.5	Below the limit
2	0.01	0.5	Below the limit
3	0.02	0.5	Below the limit
4	0.04	0.5	Below the limit
5	0.06	0.5	Below the limit
6	0.12	0.5	Below the limit
7	0.05	0.5	Below the limit
8	0.13	0.5	Below the limit
9	0.05	0.5	Below the limit
10	0.04	0.5	Below the limit
11	0.04	0.5	Below the limit
12	0.04	0.5	Below the limit
13	0.03	0.5	Below the limit
14	0.07	0.5	Below the limit
15	0.05	0.5	Below the limit
16	0.12	0.2	Below the limit
17	0.06	0.2	Below the limit
18	0.04	0.2	Below the limit
19	0.02	0.2	Below the limit
20	0.08	0.2	Below the limit
21	0.02	0.2	Below the limit
22	0.11	0.5	Below the limit
23	0.04	0.5	Below the limit
24	0.16	0.5	Below the limit
25	0.09	0.5	Below the limit
26	0.33	0.5	Below the limit
27	0.17	0.5	Below the limit
28	0.32	0.5	Below the limit
29	0.14	0.5	Below the limit
30	0.06	0.5	Below the limit
31	0.14	0.5	Below the limit
32	0.33	0.5	Below the limit
33	0.43	0.5	Near the limit
34	0.13	0.5	Below the limit
35	0.12	0.5	Below the limit
36	0.14	0.5	Below the limit
37	0.17	0.5	Below the limit
38	0.33	0.5	Below the limit
39	0.29	0.5	Below the limit
40	0.48	0.5	Near the limit
41	0.36	0.5	Below the limit
42	0.41	0.5	Near the limit
43	0.43	0.5	Near the limit
44	0.24	0.5	Below the limit
45	0.32	0.5	Below the limit
46	0.29	0.5	Below the limit
47	0.23	0.5	Below the limit
48	0.24	0.5	Below the limit
49	0.15	0.5	Below the limit
50	0.31	0.5	Below the limit
51	0.29	0.5	Below the limit
52	0.16	0.5	Below the limit

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	0.17	0.5	Below the limit
2	0.16	0.5	Below the limit
3	0.20	0.5	Below the limit
4	0.21	0.5	Below the limit
5	0.27	0.5	Below the limit
6	0.27	0.5	Below the limit
7	0.28	0.5	Below the limit
8	0.32	0.5	Below the limit
9	0.42	0.5	Near the limit
10	0.47	0.5	Near the limit
11	0.41	0.5	Near the limit
12	0.43	0.5	Near the limit
13	0.33	0.5	Below the limit
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	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	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	0.01	0.5	Below the limit
49	0.01	0.5	Below the limit
50	0.00	0.5	Below the limit
51	0.01	0.5	Below the limit
52	0.01	0.5	Below the limit

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

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Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
40	0.11	0.5	Below the limit
41	0.10	0.5	Below the limit
42	0.13	0.5	Below the limit
43	0.16	0.5	Below the limit
44	0.35	0.5	Below the limit
45	0.13	0.5	Below the limit
46	0.46	0.5	Near the limit
47	0.49	0.5	Near the limit
48	0.11	0.5	Below the limit
49	0.07	0.5	Below the limit
50	0.19	0.5	Below the limit
51	0.18	0.5	Below the limit
52	0.17	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 34, 2025
Mechanical delousing5 pens
Week 33, 2025
Mechanical delousing5 pens
Week 29, 2025
Mechanical delousing4 pens
Week 28, 2025
Mechanical delousing5 pens

Show all 8

Week 48, 2023
Other treatment5 pens · Hydrolicer
Week 47, 2023
Other treatment1 pen · Hydrolicer
Week 45, 2023
Other treatment2 pens · Hydrolicer
Week 40, 2023
Other treatment5 pens · Ferskvann/ Hydrolicer, Ferskvannsbehandling

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

19 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
07 Sep 2026	Ronja Aurora	no other farm	4 h 33 min
30 Aug 2026	Ronja Aurora	Takflua	4 h 30 min
28 Mar 2026	Froy Odin	Nordskag	2 h 45 min
27 Mar 2026	Ronja Spirit	Ruggstein disease or zone there	3 h 6 min
22 Mar 2026	Ro Spirit	Rindarøy	1 h 57 min
21 Mar 2026	Ro Vision	Kattholmen II disease or zone there	3 h 11 min
11 Mar 2026	Ronja Spirit	Rataren disease or zone there	2 h 48 min
02 Mar 2026	Froy Odin	no other farm	2 h 17 min
02 Mar 2026	Ronja Spirit	no other farm	2 h 58 min
01 Mar 2026	Ronja Vita	Nordskag	4 h 31 min
25 Feb 2026	Ronja Spirit	Nordskag	3 h 24 min
24 Feb 2026	Froy Odin	no other farm	4 h 21 min

Show 33 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
22 Feb 2026	Ronja Spirit	Nordskag	3 h 33 min
18 Feb 2026	Ronja Vita	Nordskag	2 h 23 min
17 Feb 2026	Ronja Spirit	Nordskag	3 h 28 min
15 Feb 2026	Ronja Vita	Nordskag	2 h 26 min
28 Jan 2026	Ronja Spirit	Dryna	2 h 30 min
18 Jan 2026	Ronja Vita	Nordskag	1 h 56 min
18 Jan 2026	Ronja Vita	Nordskag	1 h 44 min
21 Dec 2025	Ronja Spirit	Nordskag	4 h 15 min
10 Dec 2025	Froy Odin	Ruggstein	2 h 51 min
27 Nov 2025	Froy Odin	Hallarøy V	3 h 44 min
19 Nov 2025	Ronja Princess	Nordskag	2 h 40 min
19 Aug 2025	Ro Vision	Hjortholman	15 h 48 min
13 Jul 2025	Ro Vision	Salatskjæra	40 h 45 min
12 Jul 2025	Ro Vision	Salatskjæra	15 h 36 min
20 Feb 2025	Neptun	no other farm	4 h 34 min
21 Nov 2024	Ronja Aurora	Kjøsen	3 h 31 min
26 Oct 2024	Ronja Vita	Skårliodden	8 h 17 min
07 Oct 2024	Ronja Vita	Lybergsvika	2 h 24 min
29 Sep 2024	Ronja Vita	Tristeinen	1 h 28 min
25 Sep 2024	Ronja Aurora	Tristeinen	2 h 26 min
16 Apr 2024	Ronja Princess	Nordskag	2 h 9 min
15 Apr 2024	Ronja Princess	Nordskag	3 h 5 min
09 Apr 2024	Ronja Princess	Ruggstein	3 h 13 min
05 Apr 2024	Aasvaerfjord	Nordskag	6 h 31 min
04 Apr 2024	Ro Vision	Nordskag	2 h 58 min
03 Apr 2024	Ro Vision	Nordskag	2 h 22 min
17 Mar 2024	Froy Odin	Nordskag	4 h 9 min
12 Mar 2024	Ro Vision	Tristeinen	2 h 7 min
10 Mar 2024	Ro Vision	Tristeinen	1 h 57 min
22 Jan 2024	Ronja Princess	Nordskag	2 h 4 min
13 Jan 2024	Ro Vision	Nordskag	4 h 6 min
08 Jan 2024	Froy Odin	Hjortholman	2 h 10 min
07 Jan 2024	Froy Odin	Salatskjæra	3 h 0 min

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

Licences

Site MAB: 5,460 tonnes

Licence	Type	Capacity	Holder
M AV 0001	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
M HS 0005	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
M SM 0034	Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
M SM 0035	Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
M SM 0036	Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
M SM 0038	Visning / matfiskSalmon, Rainbow trout, Trout	780 t	Nekton Havbruk AS
M ST 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	780 t	Norsk Sjømat Oppdrett AS
M SØ 0003	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS

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