Jektholmen

Site 19977 · Åfjord municipality · Production area 6, Nordmøre og Sør-Trøndelag

Status unknown: not reported in week 39Operated by Salmar Oppdrett AS

unknownAdult female lice per fishNo count in week 39. Latest: 0.15 in week 2, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 2 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

2Wellboat visits in 2026by 1 vessel · latest 15 Jan 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	0.15	0.5	Below the limit
2	0.15	0.5	Below the limit
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	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

Earlier years

20253 of 29 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	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	0.07	0.5	Below the limit
25	0.01	0.5	Below the limit
26	0.13	0.5	Below the limit
27	0.25	0.5	Below the limit
28	0.14	0.5	Below the limit
29	0.30	0.5	Below the limit
30	0.43	0.5	Near the limit
31	0.16	0.5	Below the limit
32	0.42	0.5	Near the limit
33	0.16	0.5	Below the limit
34	0.49	0.5	Near the limit
35	0.06	0.5	Below the limit
36	0.46	0.5	Near the limit
37	0.03	0.5	Below the limit
38	0.48	0.5	Near the limit
39	0.78	0.5	Above the limit
40	0.80	0.5	Above the limit
41	0.28	0.5	Below the limit
42	1.06	0.5	Above the limit
43	0.17	0.5	Below the limit
44	0.29	0.5	Below the limit
45	0.15	0.5	Below the limit
46	0.22	0.5	Below the limit
47	0.46	0.5	Near the limit
48	0.49	0.5	Near the limit
49	0.11	0.5	Below the limit
50	0.11	0.5	Below the limit
51	0.25	0.5	Below the limit
52	0.20	0.5	Below the limit

20230 of 4 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	0.00	0.5	Below the limit
42	0.18	0.5	Below the limit
43	0.38	0.5	Below the limit
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 46, 2025
Mechanical delousing4 pens
Week 43, 2025
Mechanical delousing4 pens
Week 41, 2025
Mechanical delousing2 pens
Week 40, 2025
Mechanical delousing2 pens

Show all 12

Week 37, 2025
Mechanical delousing4 pens
Week 35, 2025
Mechanical delousing4 pens
Week 33, 2025
Mechanical delousing2 pens
Week 32, 2025
Mechanical delousing2 pens
Week 31, 2025
Mechanical delousing4 pens
Week 27, 2025
Mechanical delousing5 pens
Week 24, 2025
Mechanical delousingWhole site
Week 41, 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

2 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
15 Jan 2026	Froy Odin	Nordskag	1 h 31 min
11 Jan 2026	Froy Odin	Nordskag	3 h 9 min
16 Dec 2025	Ronja Spirit	Nordskag	3 h 50 min
15 Dec 2025	Ronja Spirit	Nordskag	7 h 43 min
14 Dec 2025	Ronja Spirit	Nordskag	2 h 34 min
12 Dec 2025	Ronja Spirit	no other farm	4 h 26 min
30 Nov 2025	Froy Odin	Nordskag	6 h 34 min
17 Nov 2025	Ro Vision	Nordskag	47 min
16 Nov 2025	Ro Vision	Nordskag	19 h 19 min
15 Nov 2025	Ro Vision	Nordskag	46 min
14 Nov 2025	Ro Vision	Nordskag	20 h 30 min
11 Oct 2025	Ro Vision	Rataren II	1 h 59 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
Refsnes Laks AS	Week 40, 2023	Week 43, 2023
Salmar Oppdrett AS	Week 24, 2025	Week 2, 2026

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

Licences

Site MAB: 3,120 tonnes

Licence	Type	Capacity	Holder
ST AA 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
ST AA 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
ST AA 0026	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
ST F 0061	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
ST R 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
ST R 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
ST R 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS
ST R 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Salmar Oppdrett AS

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