Lian

Site 35977 · Rødøy municipality · Production area 8, Helgeland til Bodø

Status unknown: not reported in week 39Operated by Mowi Seawater Norway AS · group Mowi

unknownAdult female lice per fishNo count in week 39. Latest: 0.00 in week 30, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 30 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

4Lice treatments in 2026Latest: Mechanical delousing, week 17, 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

29Wellboat visits in 2026by 6 different vessels · latest 24 Jul 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	0.16	0.5	Below the limit
2	0.21	0.5	Below the limit
3	0.21	0.5	Below the limit
4	0.23	0.5	Below the limit
5	0.26	0.5	Below the limit
6	0.12	0.5	Below the limit
7	0.08	0.5	Below the limit
8	0.07	0.5	Below the limit
9	0.18	0.5	Below the limit
10	0.16	0.5	Below the limit
11	0.16	0.5	Below the limit
12	0.37	0.5	Below the limit
13	0.36	0.5	Below the limit
14	0.42	0.5	Near the limit
15	0.36	0.5	Below the limit
16	0.43	0.5	Near the limit
17	0.13	0.5	Below the limit
18	0.01	0.5	Below the limit
19	0.03	0.5	Below the limit
20	0.05	0.5	Below the limit
21	0.06	0.2	Below the limit
22	0.09	0.2	Below the limit
23	0.09	0.2	Below the limit
24	0.08	0.2	Below the limit
25	0.09	0.2	Below the limit
26	0.10	0.2	Below the limit
27	0.22	0.5	Below the limit
28	0.39	0.5	Below the limit
29	0.40	0.5	Near the limit
30	0.00	0.5	Below the limit
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

20250 of 30 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	0.5	Not reported
17	unknown	0.5	Not reported
18	unknown	0.5	Not reported
19	unknown	0.5	Not reported
20	unknown	0.5	Not reported
21	unknown	0.2	Not reported
22	unknown	0.2	Not reported
23	0.00	0.2	Below the limit
24	0.00	0.2	Below the limit
25	0.00	0.2	Below the limit
26	0.00	0.2	Below the limit
27	0.00	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.00	0.5	Below the limit
30	0.01	0.5	Below the limit
31	0.01	0.5	Below the limit
32	0.01	0.5	Below the limit
33	0.01	0.5	Below the limit
34	0.01	0.5	Below the limit
35	0.01	0.5	Below the limit
36	0.01	0.5	Below the limit
37	0.01	0.5	Below the limit
38	0.04	0.5	Below the limit
39	0.01	0.5	Below the limit
40	0.01	0.5	Below the limit
41	0.01	0.5	Below the limit
42	0.02	0.5	Below the limit
43	0.02	0.5	Below the limit
44	0.01	0.5	Below the limit
45	0.06	0.5	Below the limit
46	0.04	0.5	Below the limit
47	0.02	0.5	Below the limit
48	0.01	0.5	Below the limit
49	0.01	0.5	Below the limit
50	0.02	0.5	Below the limit
51	0.03	0.5	Below the limit
52	0.16	0.5	Below the limit

20240 of 35 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	0.00	0.5	Below the limit
2	0.04	0.5	Below the limit
3	0.06	0.5	Below the limit
4	0.10	0.5	Below the limit
5	0.06	0.5	Below the limit
6	0.09	0.5	Below the limit
7	0.09	0.5	Below the limit
8	0.10	0.5	Below the limit
9	0.10	0.5	Below the limit
10	0.12	0.5	Below the limit
11	0.15	0.5	Below the limit
12	0.16	0.5	Below the limit
13	0.21	0.5	Below the limit
14	0.23	0.5	Below the limit
15	0.25	0.5	Below the limit
16	0.28	0.5	Below the limit
17	0.31	0.5	Below the limit
18	0.29	0.5	Below the limit
19	0.29	0.5	Below the limit
20	0.33	0.5	Below the limit
21	0.01	0.2	Below the limit
22	0.07	0.2	Below the limit
23	0.10	0.2	Below the limit
24	0.11	0.2	Below the limit
25	0.09	0.2	Below the limit
26	0.12	0.2	Below the limit
27	0.20	0.5	Below the limit
28	0.31	0.5	Below the limit
29	0.49	0.5	Near the limit
30	0.48	0.5	Near the limit
31	0.33	0.5	Below the limit
32	0.36	0.5	Below the limit
33	0.49	0.5	Near the limit
34	0.34	0.5	Below the limit
35	0.25	0.5	Below the limit
36	unknown	0.5	Reported without a count
37	unknown	0.5	Reported without a count
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	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

20230 of 13 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

Show as table

Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
40	0.01	0.5	Below the limit
41	0.02	0.5	Below the limit
42	0.03	0.5	Below the limit
43	0.03	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.03	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	0.00	0.5	Below the limit
51	0.00	0.5	Below the limit
52	0.02	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 17, 2026
Mechanical delousing8 pens
Week 16, 2026
Mechanical delousing1 pen
Week 5, 2026
Medicinal bath8 pens · Azamethiphos
Week 4, 2026
Medicinal bath1 pen · Azamethiphos

Show all 12

Week 46, 2025
Thermal delousing2 pens
Week 31, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 34, 2024
Mechanical delousing2 pens
Week 33, 2024
Mechanical delousing1 pen
Week 31, 2024
Mechanical delousing3 pens
Week 30, 2024
Mechanical delousing6 pens
Week 29, 2024
Thermal delousing1 pen
Week 20, 2024
Thermal delousing6 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

29 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 Jul 2026	Ronja Havsoy	Hestøy	1 h 37 min
23 Jul 2026	Ronja Havsoy	Hestøy	2 h 36 min
22 Jul 2026	Ronja Havsoy	Hestøy	3 h 28 min
21 Jul 2026	Ronja Havsoy	Hestøy	2 h 27 min
20 Jul 2026	Ronja Havsoy	Hestøy	2 h 30 min
13 Jul 2026	Faeroeysund	Naustholmen	1 h 46 min
12 Jul 2026	Faeroeysund	Hestøy	1 h 53 min
09 Jul 2026	Ronja Havsoy	Børøya Slaktemerd	2 h 25 min
06 Jul 2026	Ro North	Digermulen	2 h 5 min
04 Jul 2026	Ronja Boroy	Hestvik	2 h 30 min
01 Jul 2026	Ronja Havsoy	Hestøy	3 h 16 min
30 Jun 2026	Ronja Havsoy	Børøya Slaktemerd	7 h 1 min

Show 31 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
15 Jun 2026	Ronja Havsoy	Børøya Slaktemerd	3 h 8 min
08 Jun 2026	Steinar Olaisen	Isbergan	1 h 37 min
22 Apr 2026	Ronja Heroy	no other farm	5 h 6 min
21 Apr 2026	Ronja Heroy	no other farm	13 h 39 min
20 Apr 2026	Ronja Heroy	no other farm	20 h 13 min
19 Apr 2026	Ronja Heroy	no other farm	8 h 52 min
29 Jan 2026	Ronja Boroy	Fleina	2 h 46 min
29 Jan 2026	Ronja Boroy	Fleina	2 h 1 min
28 Jan 2026	Ronja Boroy	Fleina	3 h 32 min
28 Jan 2026	Ronja Boroy	Fleina	3 h 5 min
27 Jan 2026	Ronja Boroy	Fleina	3 h 13 min
27 Jan 2026	Ronja Boroy	Fleina	1 h 48 min
26 Jan 2026	Ronja Boroy	Fleina	3 h 36 min
26 Jan 2026	Ronja Boroy	Fleina	3 h 41 min
25 Jan 2026	Ronja Boroy	Fleina	4 h 38 min
25 Jan 2026	Ronja Boroy	Fleina	2 h 43 min
25 Jan 2026	Ronja Boroy	Fleina	4 h 57 min
15 Nov 2025	Ronja Boroy	Almurden	27 h 3 min
13 Nov 2025	Ronja Boroy	Almurden	28 h 55 min
13 Sep 2024	Ro Master	Hestøy	1 h 33 min
01 Sep 2024	Ronja Maloy	Storstrompan	2 h 26 min
22 Aug 2024	Ronja Havsoy	Hestøy	2 h 51 min
21 Aug 2024	Ronja Havsoy	Hestøy	3 h 8 min
20 Aug 2024	Ronja Havsoy	Storskjæret	2 h 56 min
19 Aug 2024	Ronja Maloy	Hestøy	4 h 21 min
16 Aug 2024	Ronja Maloy	Marøya	2 h 57 min
18 Jul 2024	Ro North	Matvika	53 min
17 Jul 2024	Ro North	Matvika	10 h 7 min
19 May 2024	Ro North	Jektvika I	5 h 55 min
17 May 2024	Ro North	Jektvika I	32 h 25 min
17 May 2024	Ro North	Jektvika I	9 h 57 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 BR 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N L 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N L 0010	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N R 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N R 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
N R 0029	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS

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