Marøytåa

Site 11807 · Kinn municipality · Production area 4, Nordhordland til Stadt

Below the lice limit, week 39Operated by Marø Havbruk A/s · group unknown

0.05Adult 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

5Lice treatments in 2026Latest: Freshwater treatment, week 35, 20262026 · 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

13Wellboat visits in 2026by 2 different vessels · latest 09 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

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Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.11	0.5	Below the limit
2	0.04	0.5	Below the limit
3	0.13	0.5	Below the limit
4	0.17	0.5	Below the limit
5	0.05	0.5	Below the limit
6	0.14	0.5	Below the limit
7	0.06	0.5	Below the limit
8	0.10	0.5	Below the limit
9	0.07	0.5	Below the limit
10	0.09	0.5	Below the limit
11	0.08	0.5	Below the limit
12	0.05	0.5	Below the limit
13	0.04	0.5	Below the limit
14	0.07	0.5	Below the limit
15	0.03	0.5	Below the limit
16	0.07	0.2	Below the limit
17	0.05	0.2	Below the limit
18	0.07	0.2	Below the limit
19	0.06	0.2	Below the limit
20	0.08	0.2	Below the limit
21	0.06	0.2	Below the limit
22	0.13	0.5	Below the limit
23	0.09	0.5	Below the limit
24	0.15	0.5	Below the limit
25	0.12	0.5	Below the limit
26	0.16	0.5	Below the limit
27	0.00	0.5	Below the limit
28	0.01	0.5	Below the limit
29	0.02	0.5	Below the limit
30	0.04	0.5	Below the limit
31	0.03	0.5	Below the limit
32	0.06	0.5	Below the limit
33	0.40	0.5	Near the limit
34	0.14	0.5	Below the limit
35	0.00	0.5	Below the limit
36	0.01	0.5	Below the limit
37	0.01	0.5	Below the limit
38	0.00	0.5	Below the limit
39	0.05	0.5	Below the limit

Earlier years

20250 of 17 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	0.35	0.5	Below the limit
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	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	0.03	0.5	Below the limit
42	0.06	0.5	Below the limit
43	0.07	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.00	0.5	Below the limit
46	0.03	0.5	Below the limit
47	0.03	0.5	Below the limit
48	0.01	0.5	Below the limit
49	0.00	0.5	Below the limit
50	0.02	0.5	Below the limit
51	0.02	0.5	Below the limit
52	0.06	0.5	Below the limit

20240 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	0.00	0.5	Below the limit
2	0.00	0.5	Below the limit
3	0.03	0.5	Below the limit
4	0.07	0.5	Below the limit
5	0.08	0.5	Below the limit
6	0.04	0.5	Below the limit
7	0.04	0.5	Below the limit
8	0.05	0.5	Below the limit
9	0.06	0.5	Below the limit
10	0.05	0.5	Below the limit
11	0.06	0.5	Below the limit
12	0.04	0.5	Below the limit
13	0.06	0.5	Below the limit
14	0.03	0.5	Below the limit
15	0.03	0.5	Below the limit
16	0.06	0.2	Below the limit
17	0.05	0.2	Below the limit
18	0.07	0.2	Below the limit
19	0.10	0.2	Below the limit
20	0.10	0.2	Below the limit
21	0.17	0.2	Near the limit
22	0.21	0.5	Below the limit
23	0.36	0.5	Below the limit
24	0.20	0.5	Below the limit
25	0.12	0.5	Below the limit
26	0.13	0.5	Below the limit
27	0.23	0.5	Below the limit
28	0.38	0.5	Below the limit
29	0.15	0.5	Below the limit
30	0.21	0.5	Below the limit
31	0.36	0.5	Below the limit
32	0.15	0.5	Below the limit
33	0.10	0.5	Below the limit
34	0.07	0.5	Below the limit
35	0.09	0.5	Below the limit
36	0.19	0.5	Below the limit
37	0.15	0.5	Below the limit
38	0.05	0.5	Below the limit
39	0.33	0.5	Below the limit
40	0.00	0.5	Below the limit
41	0.22	0.5	Below the limit
42	0.30	0.5	Below the limit
43	0.04	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	0.11	0.5	Below the limit
48	0.20	0.5	Below the limit
49	0.00	0.5	Below the limit
50	0.10	0.5	Below the limit
51	0.10	0.5	Below the limit
52	0.17	0.5	Below the limit

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

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Adult female lice per fish per week, 2023
Week	Lice limit	Status
40	0.5	Below the limit
41	0.5	Below the limit
42	0.5	Below the limit
43	0.5	Below the limit
44	0.5	Below the limit
45	0.5	Below the limit
46	0.5	Below the limit
47	0.5	Below the limit
48	0.5	Below the limit
49	0.5	Below the limit
50	0.5	Below the limit
51	0.5	Below the limit
52	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 35, 2026
Thermal delousing, Freshwater treatment2 pens
Week 34, 2026
Freshwater treatment, Thermal delousing8 pens
Week 27, 2026
Thermal delousing, Freshwater treatmentWhole site
Week 45, 2025
Medicinal feedWhole site · Emamectin benzoat

Show all 8

Week 44, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 43, 2024
Thermal delousingWhole site
Week 32, 2024
Thermal delousing2 pens
Week 29, 2024
Thermal delousing3 pens

Disease

Norwegian Food Safety Authority

30 Apr 2025
Pancreas disease (PD): closedSubtype SAV3 · started 11 Sep 2024 · Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

No escapes reported from this site since 2006.

Wellboat visits

13 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
09 Sep 2026	Ro Server	Gnarnesvika	2 h 49 min
03 Sep 2026	Rostein	Hesteneset	1 h 56 min
03 Sep 2026	Rostein	Hesteneset	1 h 9 min
03 Sep 2026	Rostein	Hesteneset	1 h 32 min
24 Aug 2026	Ro Server	Skorva	19 h 16 min
23 Aug 2026	Ro Server	Skorva	3 h 53 min
23 Aug 2026	Ro Server	Skorva	9 h 5 min
22 Aug 2026	Ro Server	Skorva	5 h 43 min
19 Aug 2026	Ro Server	Skorva	11 h 29 min
18 Aug 2026	Ro Server	Skorva	9 h 43 min
01 Jul 2026	Ro Server	Laukelandsøyna	37 h 34 min
30 Jun 2026	Ro Server	Laukelandsøyna	20 h 46 min

Show 24 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
29 Jun 2026	Ro Server	Laukelandsøyna	12 h 20 min
27 Sep 2025	Seifjell	Saltkjelen I	3 h 15 min
01 Sep 2025	Ro Master	Rindarøy	1 h 5 min
27 Dec 2024	Ro Chief	Oddane	1 h 42 min
13 Dec 2024	Rohav	Hesteneset	1 h 40 min
06 Dec 2024	Rohav	Rindarøy	2 h 11 min
24 Oct 2024	Ro Server	Hundvika Aust	26 h 50 min
23 Oct 2024	Ro Server	Hundvika Aust	12 h 32 min
21 Oct 2024	Rostein	Instefjord	1 h 23 min
07 Oct 2024	Robas	Rindarøy	1 h 19 min
07 Oct 2024	Rostein	Skaganeset	1 h 34 min
03 Oct 2024	Rostein	Hesteneset	1 h 57 min
19 Sep 2024	Langsund	Hesteneset	2 h 24 min
10 Aug 2024	Ro Server	Hesteneset	4 h 55 min
09 Aug 2024	Ro Server	Hesteneset	7 h 49 min
08 Aug 2024	Ro Server	Steinvik	20 h 11 min
24 Jul 2024	Langsund	Gudmundset	1 h 54 min
16 Jul 2024	Rostein	Kvernhusvika	4 h 34 min
15 Jul 2024	Ro Venture	Kviteskjeret	12 h 35 min
16 May 2024	Ro Venture	Bjønnspjotneset	2 h 20 min
21 Apr 2024	Ro Server	Almbakkevika disease or zone there	1 h 6 min
01 Mar 2024	Ro Arctic	Instefjord	2 h 38 min
02 Feb 2024	Rohav	Hesteneset	5 h 14 min
02 Feb 2024	Ro Server	Mjølsvik	7 h 22 min

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

Licences

Site MAB: 3,120 tonnes

Licence	Type	Capacity	Holder
SF F 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	782 t	E. Karstensen Fiskeoppdrett AS
SF F 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	782 t	Marø Havbruk A/s
SF F 0031	Kommersiell / matfiskSalmon, Rainbow trout, Trout	782 t	Marø Havbruk A/s
SF F 0052	Kommersiell / matfiskSalmon, Rainbow trout, Trout	782 t	E. Karstensen Fiskeoppdrett AS

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