Hjortholman

Site 12483 · 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 19 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

7Wellboat visits in 2026by 3 different vessels · latest 04 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

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Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.45	0.5	Near the limit
2	0.33	0.5	Below the limit
3	0.45	0.5	Near the limit
4	0.49	0.5	Near the limit
5	0.40	0.5	Near the limit
6	0.48	0.5	Near the limit
7	0.40	0.5	Near the limit
8	0.30	0.5	Below the limit
9	0.20	0.5	Below the limit
10	0.45	0.5	Near the limit
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	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	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	0.03	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

20251 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	0.05	0.5	Below the limit
2	0.03	0.5	Below the limit
3	0.03	0.5	Below the limit
4	0.08	0.5	Below the limit
5	0.16	0.5	Below the limit
6	0.23	0.5	Below the limit
7	0.18	0.5	Below the limit
8	0.09	0.5	Below the limit
9	0.06	0.5	Below the limit
10	0.11	0.5	Below the limit
11	0.10	0.5	Below the limit
12	0.14	0.5	Below the limit
13	0.10	0.5	Below the limit
14	0.15	0.5	Below the limit
15	0.01	0.5	Below the limit
16	0.04	0.2	Below the limit
17	0.01	0.2	Below the limit
18	0.05	0.2	Below the limit
19	0.05	0.2	Below the limit
20	0.03	0.2	Below the limit
21	0.03	0.2	Below the limit
22	0.18	0.5	Below the limit
23	0.05	0.5	Below the limit
24	0.11	0.5	Below the limit
25	0.04	0.5	Below the limit
26	0.14	0.5	Below the limit
27	0.10	0.5	Below the limit
28	0.05	0.5	Below the limit
29	0.14	0.5	Below the limit
30	0.29	0.5	Below the limit
31	0.19	0.5	Below the limit
32	0.16	0.5	Below the limit
33	0.48	0.5	Near the limit
34	0.09	0.5	Below the limit
35	0.08	0.5	Below the limit
36	0.13	0.5	Below the limit
37	0.29	0.5	Below the limit
38	0.48	0.5	Near the limit
39	0.16	0.5	Below the limit
40	0.14	0.5	Below the limit
41	0.41	0.5	Near the limit
42	0.66	0.5	Above the limit
43	0.02	0.5	Below the limit
44	0.05	0.5	Below the limit
45	0.05	0.5	Below the limit
46	0.11	0.5	Below the limit
47	0.09	0.5	Below the limit
48	0.35	0.5	Below the limit
49	0.18	0.5	Below the limit
50	0.23	0.5	Below the limit
51	0.13	0.5	Below the limit
52	0.13	0.5	Below the limit

20240 of 23 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	0.45	0.5	Near the limit
2	0.48	0.5	Near the limit
3	0.48	0.5	Near the limit
4	0.47	0.5	Near the limit
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	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	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	0.04	0.5	Below the limit
49	0.01	0.5	Below the limit
50	0.03	0.5	Below the limit
51	0.05	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	0.13	0.5	Below the limit
41	0.27	0.5	Below the limit
42	0.21	0.5	Below the limit
43	0.04	0.5	Below the limit
44	0.05	0.5	Below the limit
45	0.06	0.5	Below the limit
46	0.11	0.5	Below the limit
47	0.16	0.5	Below the limit
48	0.14	0.5	Below the limit
49	0.16	0.5	Below the limit
50	0.27	0.5	Below the limit
51	0.31	0.5	Below the limit
52	0.41	0.5	Near the limit

Treatments

Norwegian Food Safety Authority

Week 49, 2025
Mechanical delousing7 pens
Week 43, 2025
Mechanical delousing7 pens
Week 42, 2025
Mechanical delousing1 pen
Week 39, 2025
Mechanical delousing8 pens

Show all 12

Week 34, 2025
Mechanical delousing8 pens
Week 32, 2025
Mechanical delousing1 pen
Week 31, 2025
Mechanical delousing5 pens
Week 29, 2025
Mechanical delousing1 pen
Week 28, 2025
Mechanical delousing6 pens
Week 24, 2025
Mechanical delousing6 pens
Week 43, 2023
Other treatment10 pens · Hydrolicer
Week 40, 2023
Other treatment7 pens · Hydrolicer

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

7 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
04 Aug 2026	Ronja Viking	no other farm	3 h 44 min
17 Mar 2026	Ronja Spirit	Andholmen 1	2 h 30 min
10 Feb 2026	Ronja Vita	Nordskag	1 h 57 min
28 Jan 2026	Ronja Vita	Nordskag	2 h 9 min
19 Jan 2026	Ronja Vita	Nordskag	1 h 10 min
12 Jan 2026	Ronja Vita	Storskjeret	1 h 32 min
06 Jan 2026	Ronja Spirit	Nordskag	2 h 48 min
05 Dec 2025	Ronja Princess	Svanøya	1 h 56 min
03 Dec 2025	Ro Vision	Salatskjæra	29 h 7 min
28 Nov 2025	Froy Odin	Nordskag	1 h 52 min
25 Oct 2025	Aasvaerfjord	Nordskag	2 h 15 min
12 Oct 2025	Aasvaerfjord	Nordskag	1 h 30 min

Show 17 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
22 Aug 2025	Ro Vision	Suholmen	14 h 8 min
21 Aug 2025	Ro Vision	Suholmen	17 h 27 min
19 Aug 2025	Ro Vision	Suholmen	6 h 22 min
14 Jul 2025	Ro Vision	Andholmen 1	2 h 59 min
14 Jun 2025	Aasvaerfjord	no other farm	38 min
14 Jun 2025	Aasvaerfjord	no other farm	10 h 1 min
21 Aug 2024	Ronja Aurora	Brensholmen	6 h 28 min
15 Feb 2024	Ronja Princess	Nordskag	2 h 42 min
08 Feb 2024	Ro Vision	Nordskag	1 h 27 min
08 Feb 2024	Ro Vision	Nordskag	1 h 50 min
28 Jan 2024	Ro Senja	Nordskag	2 h 0 min
21 Jan 2024	Froy Odin	Nordskag	1 h 42 min
20 Jan 2024	Froy Odin	Rataren	2 h 16 min
14 Jan 2024	Ro Vision	Nordskag	1 h 30 min
08 Jan 2024	Froy Odin	Nordskag	7 h 30 min
06 Jan 2024	Ro Vision	Nordskag	1 h 24 min
01 Jan 2024	Ro Vision	no other farm	1 h 48 min

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

Licences

Site MAB: 4,680 tonnes

Licence	Type	Capacity	Holder
M AE 0002	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 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