Lille Torsøy

Site 12392 · Hitra municipality · Production area 6, Nordmøre og Sør-Trøndelag

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

0.10Adult 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 39 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

14Lice treatments in 2026Latest: Mechanical delousing, week 39, 20262026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Active disease casesNone recordedRegister since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

9Wellboat visits in 2026by 1 vessel · latest 03 Jun 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported1,982 salmon, February 2024Since 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	0.00	0.5	Below the limit
2	0.03	0.5	Below the limit
3	0.04	0.5	Below the limit
4	0.02	0.5	Below the limit
5	0.08	0.5	Below the limit
6	0.04	0.5	Below the limit
7	0.05	0.5	Below the limit
8	0.04	0.5	Below the limit
9	0.11	0.5	Below the limit
10	0.01	0.5	Below the limit
11	0.14	0.5	Below the limit
12	0.19	0.5	Below the limit
13	0.27	0.5	Below the limit
14	0.23	0.5	Below the limit
15	0.00	0.5	Below the limit
16	0.05	0.2	Below the limit
17	0.09	0.2	Below the limit
18	0.08	0.2	Below the limit
19	0.06	0.2	Below the limit
20	0.13	0.2	Below the limit
21	0.19	0.2	Near the limit
22	0.14	0.5	Below the limit
23	0.00	0.5	Below the limit
24	0.02	0.5	Below the limit
25	0.05	0.5	Below the limit
26	0.11	0.5	Below the limit
27	0.19	0.5	Below the limit
28	0.08	0.5	Below the limit
29	0.11	0.5	Below the limit
30	0.22	0.5	Below the limit
31	0.05	0.5	Below the limit
32	0.15	0.5	Below the limit
33	0.07	0.5	Below the limit
34	0.13	0.5	Below the limit
35	0.17	0.5	Below the limit
36	0.20	0.5	Below the limit
37	0.13	0.5	Below the limit
38	0.13	0.5	Below the limit
39	0.10	0.5	Below the limit

Earlier years

20250 of 25 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	0.15	0.5	Below the limit
2	0.15	0.5	Below the limit
3	0.15	0.5	Below the limit
4	0.19	0.5	Below the limit
5	0.21	0.5	Below the limit
6	0.21	0.5	Below the limit
7	0.24	0.5	Below the limit
8	0.29	0.5	Below the limit
9	0.32	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	unknown	0.5	Not reported
35	unknown	0.5	Not reported
36	unknown	0.5	Not reported
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	0.01	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	0.05	0.5	Below the limit
50	0.04	0.5	Below the limit
51	0.02	0.5	Below the limit
52	0.01	0.5	Below the limit

20244 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, 2024
Week	Adult female lice per fish	Lice limit	Status
1	0.09	0.5	Below the limit
2	0.02	0.5	Below the limit
3	0.14	0.5	Below the limit
4	0.11	0.5	Below the limit
5	0.11	0.5	Below the limit
6	0.18	0.5	Below the limit
7	0.11	0.5	Below the limit
8	0.12	0.5	Below the limit
9	0.17	0.5	Below the limit
10	0.11	0.5	Below the limit
11	0.16	0.5	Below the limit
12	0.20	0.5	Below the limit
13	0.17	0.5	Below the limit
14	0.26	0.5	Below the limit
15	0.24	0.5	Below the limit
16	0.10	0.2	Below the limit
17	0.05	0.2	Below the limit
18	0.05	0.2	Below the limit
19	0.03	0.2	Below the limit
20	0.03	0.2	Below the limit
21	0.07	0.2	Below the limit
22	0.18	0.5	Below the limit
23	0.24	0.5	Below the limit
24	0.39	0.5	Below the limit
25	0.48	0.5	Near the limit
26	0.07	0.5	Below the limit
27	0.15	0.5	Below the limit
28	0.17	0.5	Below the limit
29	0.18	0.5	Below the limit
30	0.30	0.5	Below the limit
31	1.23	0.5	Above the limit
32	0.16	0.5	Below the limit
33	0.35	0.5	Below the limit
34	0.44	0.5	Near the limit
35	0.21	0.5	Below the limit
36	0.23	0.5	Below the limit
37	0.49	0.5	Near the limit
38	0.46	0.5	Near the limit
39	0.70	0.5	Above the limit
40	0.93	0.5	Above the limit
41	0.45	0.5	Near the limit
42	0.47	0.5	Near the limit
43	0.30	0.5	Below the limit
44	0.58	0.5	Above the limit
45	0.42	0.5	Near the limit
46	0.41	0.5	Near the limit
47	0.23	0.5	Below the limit
48	0.30	0.5	Below the limit
49	0.19	0.5	Below the limit
50	0.20	0.5	Below the limit
51	0.22	0.5	Below the limit
52	0.21	0.5	Below the limit

20230 of 14 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
39	0.00	0.5	Below the limit
40	0.00	0.5	Below the limit
41	0.01	0.5	Below the limit
42	0.01	0.5	Below the limit
43	0.06	0.5	Below the limit
44	0.01	0.5	Below the limit
45	0.02	0.5	Below the limit
46	0.02	0.5	Below the limit
47	0.00	0.5	Below the limit
48	0.02	0.5	Below the limit
49	0.02	0.5	Below the limit
50	0.00	0.5	Below the limit
51	0.05	0.5	Below the limit
52	0.03	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 39, 2026
Mechanical delousing6 pens
Week 38, 2026
Mechanical delousing4 pens
Week 36, 2026
Mechanical delousingWhole site
Week 34, 2026
Mechanical delousing2 pens

Show all 33

Week 33, 2026
Mechanical delousing8 pens
Week 31, 2026
Mechanical delousing9 pens
Week 28, 2026
Mechanical delousing5 pens
Week 27, 2026
Mechanical delousing5 pens
Week 23, 2026
Thermal delousing3 pens
Week 22, 2026
Thermal delousing4 pens
Week 15, 2026
Thermal delousing3 pens
Week 14, 2026
Thermal delousing4 pens
Week 51, 2025
Thermal delousingWhole site
Week 45, 2025
Freshwater treatment3 pens
Week 52, 2024
Thermal delousing2 pens
Week 47, 2024
Mechanical delousing4 pens
Week 46, 2024
Mechanical delousing1 pen
Week 43, 2024
Mechanical delousing5 pens
Week 41, 2024
Mechanical delousing6 pens
Week 39, 2024
Mechanical delousing4 pens
Week 38, 2024
Mechanical delousing1 pen
Week 34, 2024
Mechanical delousing3 pens
Week 32, 2024
Mechanical delousing7 pens
Week 31, 2024
Mechanical delousing2 pens
Week 30, 2024
Mechanical delousing1 pen
Week 29, 2024
Mechanical delousing4 pens
Week 26, 2024
Mechanical delousing, Thermal delousing6 pens
Week 25, 2024
Thermal delousing1 pen
Week 17, 2024
Thermal delousing2 pens
Week 16, 2024
Thermal delousing5 pens
Week 46, 2023
Freshwater treatment3 pens
Week 43, 2023
Freshwater treatment4 pens
Week 40, 2023
Freshwater treatment3 pens

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

04 Feb 2024
1,982 salmon escapedCause: Mest sannsynlig har uvær/strøm presset not mot bunnringsoppheng og glidelodd, dette har ført til gnag/slitasje som til slutt har resultert i hull i notlinet. · recaptured 1 · Directorate of Fisheries

Wellboat visits

9 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
03 Jun 2026	Froy Saga	Rundklumpen	2 h 41 min
02 Jun 2026	Froy Saga	Rundklumpen	3 h 3 min
02 Jun 2026	Froy Saga	Rundklumpen	14 h 42 min
29 May 2026	Froy Saga	Rundklumpen	72 h 13 min
07 Apr 2026	Froy Saga	Bremnessvaet	4 h 25 min
06 Apr 2026	Froy Saga	Bremnessvaet	14 h 57 min
06 Apr 2026	Froy Saga	Bremnessvaet	3 h 59 min
05 Apr 2026	Froy Saga	Bremnessvaet	18 h 0 min
03 Apr 2026	Froy Saga	Bremnessvaet	19 h 5 min
19 Dec 2025	Froy Saga	Kveitskjeret	17 h 4 min
30 Sep 2025	Ronja Evolution	Gulestø	3 h 32 min
29 Sep 2025	Ronja Evolution	Gulestø	5 h 59 min

Show 27 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
07 Sep 2025	Ronja Vita	Smineset N	4 h 25 min
04 Mar 2025	Ronja Skilsoy	Eggesbønes	5 h 2 min
28 Feb 2025	Ronja Skilsoy	Eggesbønes	9 h 28 min
27 Dec 2024	Freyja	Bremnessvaet	13 h 2 min
23 Dec 2024	Freyja	Bremnessvaet	16 h 2 min
29 Jul 2024	Froy Jarl	Korsholman	1 h 58 min
27 Jul 2024	Froy Jarl	Hendneset	14 h 2 min
29 Jun 2024	Freyja	Korsholman	4 h 13 min
28 Jun 2024	Froy Jarl	Korsholman	13 h 44 min
28 Jun 2024	Freyja	Korsholman	9 h 19 min
27 Jun 2024	Freyja	Korsholman	10 h 30 min
27 Jun 2024	Froy Jarl	Korsholman	18 h 18 min
26 Jun 2024	Freyja	Korsholman	18 h 11 min
26 Jun 2024	Froy Jarl	Korsholman	12 h 47 min
25 Jun 2024	Freyja	Korsholman	3 h 43 min
25 Jun 2024	Froy Jarl	Korsholman	4 h 56 min
22 Jun 2024	Froy Jarl	Korsholman	15 h 34 min
22 Jun 2024	Freyja	Korsholman	18 h 2 min
24 Apr 2024	Freyja	Grøttingsøy	9 h 47 min
23 Apr 2024	Freyja	Grøttingsøy	4 h 59 min
23 Apr 2024	Freyja	Grøttingsøy	7 h 8 min
22 Apr 2024	Freyja	Grøttingsøy	7 h 28 min
22 Apr 2024	Freyja	Grøttingsøy	6 h 34 min
21 Apr 2024	Freyja	Grøttingsøy	6 h 48 min
20 Apr 2024	Freyja	Grøttingsøy	7 h 5 min
19 Apr 2024	Freyja	Grøttingsøy	19 h 23 min
18 Apr 2024	Freyja	Grøttingsøy	14 h 2 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 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST F 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,313 t	Mowi Seawater Norway AS
ST F 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST F 0011	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST F 0012	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST F 0015	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST H 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	2,626 t	Mowi Seawater Norway AS
ST H 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS

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