Varden

Site 35657 · Hitra municipality · Production area 6, Nordmøre og Sør-Trøndelag

Below the lice limit, week 39Operated by Mowi Seawater Norway AS · group Mowi

0.06Adult 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 15 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 active · 1 earlierRegister since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

5Wellboat visits in 2026by 1 vessel · latest 24 Aug 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported1-10 salmon, February 2026Since 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	0.20	0.5	Below the limit
2	0.20	0.5	Below the limit
3	0.17	0.5	Below the limit
4	0.20	0.5	Below the limit
5	0.20	0.5	Below the limit
6	0.21	0.5	Below the limit
7	0.21	0.5	Below the limit
8	0.18	0.5	Below the limit
9	0.16	0.5	Below the limit
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	0.02	0.5	Below the limit
39	0.06	0.5	Below the limit

Earlier years

20256 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	0.01	0.5	Below the limit
2	0.00	0.5	Below the limit
3	0.01	0.5	Below the limit
4	0.04	0.5	Below the limit
5	0.03	0.5	Below the limit
6	0.06	0.5	Below the limit
7	0.04	0.5	Below the limit
8	0.06	0.5	Below the limit
9	0.08	0.5	Below the limit
10	0.10	0.5	Below the limit
11	0.15	0.5	Below the limit
12	0.18	0.5	Below the limit
13	0.25	0.5	Below the limit
14	0.26	0.5	Below the limit
15	0.32	0.5	Below the limit
16	0.35	0.2	Above the limit
17	0.12	0.2	Below the limit
18	0.17	0.2	Near the limit
19	0.04	0.2	Below the limit
20	0.05	0.2	Below the limit
21	0.06	0.2	Below the limit
22	0.09	0.5	Below the limit
23	0.08	0.5	Below the limit
24	0.24	0.5	Below the limit
25	0.40	0.5	Near the limit
26	0.30	0.5	Below the limit
27	0.11	0.5	Below the limit
28	0.24	0.5	Below the limit
29	0.18	0.5	Below the limit
30	0.30	0.5	Below the limit
31	0.44	0.5	Near the limit
32	0.89	0.5	Above the limit
33	0.18	0.5	Below the limit
34	0.97	0.5	Above the limit
35	0.14	0.5	Below the limit
36	0.46	0.5	Near the limit
37	1.00	0.5	Above the limit
38	0.24	0.5	Below the limit
39	0.40	0.5	Near the limit
40	0.28	0.5	Below the limit
41	0.30	0.5	Below the limit
42	0.84	0.5	Above the limit
43	1.16	0.5	Above the limit
44	0.13	0.5	Below the limit
45	0.22	0.5	Below the limit
46	0.27	0.5	Below the limit
47	0.41	0.5	Near the limit
48	0.03	0.5	Below the limit
49	0.22	0.5	Below the limit
50	0.22	0.5	Below the limit
51	0.13	0.5	Below the limit
52	0.23	0.5	Below the limit

20240 of 11 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	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
40	unknown	0.5	Not reported
41	unknown	0.5	Not reported
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	0.00	0.5	Below the limit
49	0.00	0.5	Below the limit
50	0.01	0.5	Below the limit
51	0.02	0.5	Below the limit
52	0.00	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 51, 2025
Mechanical delousing2 pens
Week 48, 2025
Mechanical delousing8 pens
Week 44, 2025
Mechanical delousing4 pens
Week 43, 2025
Mechanical delousing5 pens

Show all 19

Week 40, 2025
Mechanical delousing4 pens
Week 39, 2025
Mechanical delousing5 pens
Week 38, 2025
Mechanical delousing3 pens
Week 37, 2025
Mechanical delousing7 pens
Week 35, 2025
Mechanical delousingWhole site
Week 33, 2025
Mechanical delousing4 pens
Week 32, 2025
Mechanical delousing6 pens
Week 30, 2025
Mechanical delousing4 pens
Week 29, 2025
Mechanical delousing6 pens
Week 27, 2025
Mechanical delousing3 pens
Week 26, 2025
Mechanical delousing6 pens
Week 19, 2025
Thermal delousing1 pen
Week 18, 2025
Thermal delousing2 pens
Week 17, 2025
Thermal delousing4 pens
Week 16, 2025
Thermal delousing1 pen

Disease

Norwegian Food Safety Authority

14 May 2026
Pancreas disease (PD): closedSubtype SAV2 · started 09 Mar 2026 · Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

10 Feb 2026
1-10 salmon escapedCause: Ikke kjent. Not har ikke blitt håndtert siden forrige inspeksjon, som ikke fant avvik på nota. · recaptured 1 · Directorate of Fisheries

Wellboat visits

5 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
24 Aug 2026	Ronja Evolution	Leite	1 h 22 min
23 Aug 2026	Ronja Evolution	Leite	2 h 17 min
22 Aug 2026	Ronja Evolution	Leite	1 h 7 min
21 Aug 2026	Ronja Evolution	Leite	2 h 26 min
19 Aug 2026	Ronja Evolution	Leite	2 h 20 min
29 May 2025	Froy Saga	Svellungen	4 h 49 min
03 May 2025	Freyja	no other farm	41 min
02 May 2025	Freyja	no other farm	20 h 54 min
01 May 2025	Freyja	Svellungen	12 h 8 min
30 Apr 2025	Freyja	Svellungen	2 h 4 min
29 Apr 2025	Freyja	Svellungen	23 h 44 min
28 Apr 2025	Freyja	Svellungen	12 h 37 min

Show 17 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
27 Apr 2025	Freyja	Svellungen	14 h 59 min
26 Apr 2025	Freyja	Svellungen	2 h 19 min
26 Apr 2025	Freyja	Svellungen	10 h 36 min
25 Apr 2025	Freyja	Svellungen	12 h 12 min
22 Apr 2025	Freyja	Svellungen	8 h 35 min
21 Apr 2025	Freyja	Svellungen	12 h 10 min
19 Apr 2025	Freyja	Svellungen	52 min
18 Apr 2025	Freyja	Svellungen	21 h 36 min
09 Nov 2024	Ronja Evolution	Grunneneset	2 h 8 min
07 Nov 2024	Ronja Evolution	Grunneneset	2 h 27 min
05 Nov 2024	Ronja Evolution	Grunneneset	1 h 17 min
03 Nov 2024	Ronja Evolution	Grunneneset	2 h 38 min
24 Oct 2024	Ronja Evolution	Heggvika	1 h 36 min
21 Oct 2024	Ronja Evolution	Heggvika	1 h 28 min
19 Oct 2024	Ronja Evolution	Heggvika	6 h 48 min
17 Oct 2024	Ronja Evolution	Heggvika	2 h 53 min
15 Oct 2024	Ronja Evolution	Heggvika	2 h 1 min

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

Licences

Site MAB: 7,020 tonnes

Licence	Type	Capacity	Holder
ST F 0016	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST F 0020	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST F 0029	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST F 0032	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST F 0033	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST H 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST H 0020	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST H 0025	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST H 0047	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS

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