Breivika

Site 28336 · Dønna municipality · Production area 8, Helgeland til Bodø

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

0.03Adult 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 23 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

5Lice treatments in 2026Latest: Thermal 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

6Wellboat visits in 2026by 3 different vessels · latest 07 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 21–26 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	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	0.5	Not reported
17	0.00	0.5	Below the limit
18	0.00	0.5	Below the limit
19	0.00	0.5	Below the limit
20	0.00	0.5	Below the limit
21	0.00	0.2	Below the limit
22	0.00	0.2	Below the limit
23	0.00	0.2	Below the limit
24	0.00	0.2	Below the limit
25	0.01	0.2	Below the limit
26	0.03	0.2	Below the limit
27	0.02	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.02	0.5	Below the limit
30	0.00	0.5	Below the limit
31	0.01	0.5	Below the limit
32	0.02	0.5	Below the limit
33	0.03	0.5	Below the limit
34	0.07	0.5	Below the limit
35	0.08	0.5	Below the limit
36	0.13	0.5	Below the limit
37	0.33	0.5	Below the limit
38	0.40	0.5	Near the limit
39	0.03	0.5	Below the limit

Earlier years

20250 of 38 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	0.26	0.5	Below the limit
2	0.29	0.5	Below the limit
3	0.28	0.5	Below the limit
4	0.32	0.5	Below the limit
5	0.38	0.5	Below the limit
6	0.37	0.5	Below the limit
7	0.45	0.5	Near the limit
8	0.22	0.5	Below the limit
9	0.23	0.5	Below the limit
10	0.10	0.5	Below the limit
11	0.16	0.5	Below the limit
12	0.13	0.5	Below the limit
13	0.20	0.5	Below the limit
14	0.20	0.5	Below the limit
15	0.21	0.5	Below the limit
16	0.19	0.5	Below the limit
17	0.16	0.5	Below the limit
18	0.20	0.5	Below the limit
19	0.21	0.5	Below the limit
20	0.02	0.5	Below the limit
21	0.03	0.2	Below the limit
22	0.09	0.2	Below the limit
23	0.08	0.2	Below the limit
24	0.13	0.2	Below the limit
25	0.10	0.2	Below the limit
26	0.15	0.2	Below the limit
27	0.29	0.5	Below the limit
28	0.06	0.5	Below the limit
29	0.08	0.5	Below the limit
30	0.11	0.5	Below the limit
31	0.23	0.5	Below the limit
32	0.22	0.5	Below the limit
33	0.34	0.5	Below the limit
34	0.48	0.5	Near the limit
35	0.42	0.5	Near the limit
36	0.48	0.5	Near the limit
37	0.20	0.5	Below the limit
38	0.40	0.5	Near the limit
39	unknown	0.5	Reported without a count
40	unknown	0.5	Reported without a count
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

20242 of 36 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	0.5	Not reported
17	0.00	0.5	Below the limit
18	0.00	0.5	Below the limit
19	0.00	0.5	Below the limit
20	0.00	0.5	Below the limit
21	0.00	0.2	Below the limit
22	0.00	0.2	Below the limit
23	0.00	0.2	Below the limit
24	0.03	0.2	Below the limit
25	0.04	0.2	Below the limit
26	0.06	0.2	Below the limit
27	0.00	0.5	Below the limit
28	0.03	0.5	Below the limit
29	0.02	0.5	Below the limit
30	0.06	0.5	Below the limit
31	0.06	0.5	Below the limit
32	0.10	0.5	Below the limit
33	0.07	0.5	Below the limit
34	0.12	0.5	Below the limit
35	0.32	0.5	Below the limit
36	0.43	0.5	Near the limit
37	0.76	0.5	Above the limit
38	0.28	0.5	Below the limit
39	0.31	0.5	Below the limit
40	0.37	0.5	Below the limit
41	0.27	0.5	Below the limit
42	0.27	0.5	Below the limit
43	0.37	0.5	Below the limit
44	0.47	0.5	Near the limit
45	0.27	0.5	Below the limit
46	0.16	0.5	Below the limit
47	0.48	0.5	Near the limit
48	0.57	0.5	Above the limit
49	0.38	0.5	Below the limit
50	0.46	0.5	Near the limit
51	0.26	0.5	Below the limit
52	0.25	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 39, 2026
Thermal delousingWhole site
Week 26, 2026
Medicinal feedWhole site · Emamectin benzoat
Week 25, 2026
Medicinal feedWhole site · Emamectin benzoat
Week 24, 2026
Medicinal feedWhole site · Emamectin benzoat

Show all 23

Week 23, 2026
Medicinal feedWhole site · Emamectin benzoat
Week 36, 2025
Mechanical delousing1 pen
Week 35, 2025
Mechanical delousing1 pen
Week 28, 2025
Mechanical delousing3 pens
Week 27, 2025
Mechanical delousing2 pens
Week 19, 2025
Mechanical delousingWhole site
Week 10, 2025
Mechanical delousing3 pens
Week 9, 2025
Mechanical delousing1 pen
Week 8, 2025
Mechanical delousing3 pens
Week 50, 2024
Medicinal bath4 pens · Azamethiphos
Week 49, 2024
Medicinal bath, Mechanical delousing3 pens · Azamethiphos
Week 46, 2024
Thermal delousing1 pen
Week 45, 2024
Thermal delousing5 pens
Week 42, 2024
Thermal delousing1 pen
Week 41, 2024
Thermal delousing5 pens
Week 38, 2024
Thermal delousingWhole site
Week 26, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 25, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 24, 2024
Medicinal feedWhole site · Emamectin benzoat

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

6 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
07 Sep 2026	Oddoey	Breivika S	20 h 27 min
07 Sep 2026	Oddoey	Breivika S	11 h 36 min
02 May 2026	Faeroeysund	Breivika S	2 h 15 min
25 Apr 2026	Ronja Havsoy	Ramnøya N	8 h 37 min
23 Apr 2026	Ronja Havsoy	Ramnøya N	3 h 49 min
21 Apr 2026	Ronja Havsoy	Ramnøya N	3 h 57 min
06 Oct 2025	Ronja Havsoy	Hestøy	1 h 45 min
29 Sep 2025	Viknatrans	Hestøy	1 h 55 min
29 Sep 2025	Viknatrans	Hestøy	2 h 26 min
28 Sep 2025	Viknatrans	Hestøy	1 h 59 min
28 Sep 2025	Viknatrans	Hestøy	2 h 5 min
28 Sep 2025	Viknatrans	Hestøy	1 h 13 min

Show 58 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
27 Sep 2025	Viknatrans	Smineset N	5 h 8 min
04 Sep 2025	Ro North	Hestøy	1 h 44 min
03 Sep 2025	Ro North	Kjølvika I	2 h 34 min
30 Aug 2025	Ro North	Hestøy	2 h 7 min
19 Aug 2025	Ro North	Hestøy	2 h 10 min
19 Aug 2025	Ro North	Geitryggen	4 h 59 min
19 Jul 2025	Ronja Boroy	Røysa	3 h 59 min
17 Jul 2025	Ro Spirit	Hestøy	2 h 47 min
07 Jul 2025	Ronja Heroy	Istervika	18 h 4 min
06 Jul 2025	Ronja Heroy	Istervika	18 h 10 min
05 Jul 2025	Ronja Heroy	Istervika	5 h 5 min
20 Jun 2025	Ro North	Hestøy	1 h 8 min
19 Jun 2025	Ro North	Tårnvika	2 h 53 min
10 May 2025	Ronja Heroy	Breivika S	19 h 1 min
09 May 2025	Ronja Heroy	Breivika S	4 h 15 min
09 May 2025	Ronja Heroy	Svinvær	2 h 36 min
09 May 2025	Ronja Heroy	Svinvær	11 h 51 min
05 Mar 2025	Ronja Heroy	Breivika S	5 h 17 min
04 Mar 2025	Ronja Heroy	Breivika S	4 h 40 min
04 Mar 2025	Ronja Heroy	Breivika S	5 h 2 min
03 Mar 2025	Ronja Heroy	Breivika S	5 h 7 min
26 Feb 2025	Ronja Heroy	Breivika S	50 min
26 Feb 2025	Ronja Heroy	Breivika S	13 h 31 min
25 Feb 2025	Ronja Heroy	Breivika S	1 h 50 min
25 Feb 2025	Ronja Heroy	Ramnøya N	9 h 32 min
18 Feb 2025	Ronja Heroy	Ramnøya N	5 h 29 min
17 Feb 2025	Ronja Heroy	Ramnøya N	2 h 36 min
17 Feb 2025	Ronja Heroy	Ramnøya N	4 h 54 min
17 Feb 2025	Ronja Heroy	Ramnøya N	2 h 31 min
16 Feb 2025	Ronja Heroy	Ramnøya N	4 h 0 min
13 Dec 2024	Froy Jarl	Breivika S	1 h 13 min
13 Dec 2024	Froy Jarl	Breivika S	3 h 18 min
12 Dec 2024	Froy Jarl	Breivika S	1 h 55 min
12 Dec 2024	Froy Jarl	Breivika S	4 h 24 min
12 Dec 2024	Froy Jarl	Breivika S	4 h 2 min
11 Dec 2024	Froy Jarl	Breivika S	1 h 44 min
07 Dec 2024	Froy Jarl	Breivika S	1 h 56 min
06 Dec 2024	Froy Jarl	Breivika S	4 h 7 min
05 Dec 2024	Froy Jarl	Breivika S	13 h 3 min
04 Dec 2024	Froy Jarl	Breivika S	5 h 51 min
03 Dec 2024	Froy Jarl	Breivika S	9 h 9 min
12 Nov 2024	Ro North	Breivika S	6 h 21 min
08 Nov 2024	Ro North	Breivika S	29 h 54 min
08 Nov 2024	Ro North	Breivika S	11 h 19 min
07 Nov 2024	Ro North	Breivika S	2 h 25 min
13 Oct 2024	Ro North	Storvikneset	18 h 15 min
09 Oct 2024	Ro North	Breivika S	3 h 3 min
09 Oct 2024	Ro North	Breivika S	4 h 59 min
09 Oct 2024	Ro North	Breivika S	3 h 32 min
08 Oct 2024	Ro North	Breivika S	1 h 45 min
20 Sep 2024	Ro North	Breivika S	5 h 9 min
19 Sep 2024	Ro North	Storvikneset	5 h 36 min
18 Sep 2024	Ro North	Storvikneset	18 h 43 min
17 Sep 2024	Ro North	Storvikneset	4 h 4 min
23 Apr 2024	Ronja Havsoy	Hestøy	4 h 26 min
22 Apr 2024	Ro Master	Breivika S	1 h 49 min
22 Apr 2024	Ro Master	Værnes	2 h 17 min
22 Apr 2024	Ronja Havsoy	Hestøy	16 h 12 min

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

Licences

Site MAB: 3,900 tonnes

Licence	Type	Capacity	Holder
N DA 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N DA 0024	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N HR 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N HR 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N HR 0016	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N SA 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS

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