Breidvika

Site 12594 · Osen municipality · Production area 6, Nordmøre og Sør-Trøndelag

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

0.15Adult 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

12Lice treatments in 2026Latest: Mechanical delousing, week 38, 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

7Wellboat visits in 2026by 2 different vessels · latest 04 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

Show as table

Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.01	0.5	Below the limit
2	0.05	0.5	Below the limit
3	0.01	0.5	Below the limit
4	0.10	0.5	Below the limit
5	0.03	0.5	Below the limit
6	0.12	0.5	Below the limit
7	0.01	0.5	Below the limit
8	0.07	0.5	Below the limit
9	0.02	0.5	Below the limit
10	0.07	0.5	Below the limit
11	0.09	0.5	Below the limit
12	0.09	0.5	Below the limit
13	0.03	0.5	Below the limit
14	0.05	0.5	Below the limit
15	0.07	0.5	Below the limit
16	0.03	0.2	Below the limit
17	0.15	0.2	Below the limit
18	0.12	0.2	Below the limit
19	0.08	0.2	Below the limit
20	0.14	0.2	Below the limit
21	0.06	0.2	Below the limit
22	0.04	0.5	Below the limit
23	0.04	0.5	Below the limit
24	0.15	0.5	Below the limit
25	0.11	0.5	Below the limit
26	0.45	0.5	Near the limit
27	0.07	0.5	Below the limit
28	0.18	0.5	Below the limit
29	0.09	0.5	Below the limit
30	0.10	0.5	Below the limit
31	0.09	0.5	Below the limit
32	0.13	0.5	Below the limit
33	0.17	0.5	Below the limit
34	0.42	0.5	Near the limit
35	0.28	0.5	Below the limit
36	0.35	0.5	Below the limit
37	0.30	0.5	Below the limit
38	0.15	0.5	Below the limit
39	0.15	0.5	Below the limit

Earlier years

20250 of 18 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

Show as table

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	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
41	0.00	0.5	Below the limit
42	0.01	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	0.01	0.5	Below the limit
47	0.02	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	0.03	0.5	Below the limit

20243 of 15 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

Show as table

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	0.02	0.5	Below the limit
25	0.03	0.5	Below the limit
26	0.04	0.5	Below the limit
27	0.22	0.5	Below the limit
28	0.46	0.5	Near the limit
29	0.04	0.5	Below the limit
30	0.01	0.5	Below the limit
31	0.19	0.5	Below the limit
32	0.33	0.5	Below the limit
33	0.29	0.5	Below the limit
34	0.20	0.5	Below the limit
35	0.36	0.5	Below the limit
36	0.76	0.5	Above the limit
37	1.25	0.5	Above the limit
38	2.00	0.5	Above the limit
39	unknown	0.5	Not reported
40	unknown	0.5	Not reported
41	unknown	0.5	Not reported
42	unknown	0.5	Not reported
43	unknown	0.5	Not reported
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 38, 2026
Mechanical delousing2 pens
Week 37, 2026
Mechanical delousing3 pens
Week 36, 2026
Mechanical delousing1 pen
Week 34, 2026
Mechanical delousing1 pen

Show all 14

Week 33, 2026
Mechanical delousing, Thermal delousing5 pens
Week 30, 2026
Mechanical delousingWhole site
Week 27, 2026
Mechanical delousing5 pens
Week 26, 2026
Mechanical delousing4 pens
Week 22, 2026
Thermal delousing2 pens
Week 21, 2026
Thermal delousing1 pen
Week 20, 2026
Thermal delousing3 pens
Week 33, 2024
Mechanical delousingWhole site
Week 29, 2024
Mechanical delousing3 pens
Week 28, 2024
Mechanical delousing5 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

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 Sep 2026	Froy Odin	Nordskag	4 h 13 min
03 Sep 2026	Froy Odin	Nordskag	6 h 43 min
13 Aug 2026	Froy Saga	Indre Skjervøy	18 h 32 min
20 Jul 2026	Froy Saga	Hofsøya	6 h 2 min
23 May 2026	Froy Saga	no other farm	68 h 35 min
17 May 2026	Froy Saga	Indre Skjervøy	9 h 58 min
15 May 2026	Froy Saga	Indre Skjervøy	40 h 47 min
22 Oct 2025	Rostein	Håøya Nø	1 h 33 min
21 Oct 2025	Rostein	Håøya Nø	1 h 9 min
24 Aug 2025	Ronja Evolution	Indre Oppedal	2 h 32 min
23 Aug 2025	Ronja Evolution	Indre Oppedal	4 h 24 min
22 Aug 2025	Ronja Evolution	Indre Oppedal	3 h 50 min

Show 17 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
19 Sep 2024	Norwegian Gannet	Fureneset	3 h 24 min
18 Sep 2024	Norwegian Gannet	Fureneset	9 h 22 min
17 Jul 2024	Froy Jarl	Flatøyfjorden	31 min
17 Jul 2024	Froy Jarl	Flatøyfjorden	14 h 10 min
16 Jul 2024	Froy Jarl	Flatøyfjorden	15 h 0 min
16 Jul 2024	Froy Jarl	Flatøyfjorden	1 h 26 min
15 Jul 2024	Froy Jarl	Flatøyfjorden	7 h 50 min
14 Jul 2024	Froy Jarl	Flatøyfjorden	18 h 34 min
13 Jul 2024	Froy Jarl	Flatøyfjorden	18 h 23 min
12 Jul 2024	Froy Jarl	Flatøyfjorden	13 h 39 min
11 Jul 2024	Froy Jarl	Flatøyfjorden	1 h 23 min
06 Jun 2024	Froy Jarl	Flatøyfjorden	3 h 57 min
05 Jun 2024	Froy Jarl	Flatøyfjorden	1 h 45 min
05 Jun 2024	Froy Jarl	Flatøyfjorden	3 h 48 min
04 Jun 2024	Froy Jarl	Flatøyfjorden	3 h 24 min
04 Jun 2024	Freyja	Flatøyfjorden	3 h 28 min
04 Jun 2024	Froy Jarl	Hendneset	4 h 23 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
ST B 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST B 0011	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 O 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST O 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST O 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS
ST O 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Mowi Seawater Norway AS

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