Geitryggen

Site 31357 · Nærøysund municipality · Production area 7, Nord-Trøndelag med Bindal

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

unknownAdult female lice per fishNo count in week 39. Latest: 0.19 in week 13, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 13 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

1Lice treatments in 2026Latest: Mechanical delousing, week 5, 20262026 · Norwegian Food Safety Authority · updated 01 Oct 2026

1Active disease casesILA, confirmed 04 Mar 2026Register since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

2Wellboat visits in 2026by 1 vessel · latest 28 Jan 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported54,000 salmon, February 2018Since 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	0.19	0.5	Below the limit
2	0.10	0.5	Below the limit
3	0.31	0.5	Below the limit
4	0.37	0.5	Below the limit
5	0.00	0.5	Below the limit
6	0.19	0.5	Below the limit
7	0.16	0.5	Below the limit
8	0.19	0.5	Below the limit
9	0.35	0.5	Below the limit
10	0.38	0.5	Below the limit
11	0.43	0.5	Near the limit
12	0.36	0.5	Below the limit
13	0.19	0.5	Below the limit
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	unknown	0.5	Not reported
38	unknown	0.5	Not reported
39	unknown	0.5	Not reported

Earlier years

20250 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, 2025
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	0.00	0.5	Below the limit
4	0.00	0.5	Below the limit
5	0.00	0.5	Below the limit
6	0.00	0.5	Below the limit
7	0.00	0.5	Below the limit
8	0.01	0.5	Below the limit
9	0.02	0.5	Below the limit
10	0.01	0.5	Below the limit
11	0.01	0.5	Below the limit
12	0.00	0.5	Below the limit
13	0.17	0.5	Below the limit
14	0.13	0.5	Below the limit
15	0.12	0.5	Below the limit
16	0.08	0.2	Below the limit
17	0.09	0.2	Below the limit
18	0.04	0.2	Below the limit
19	0.03	0.2	Below the limit
20	0.04	0.2	Below the limit
21	0.02	0.2	Below the limit
22	0.03	0.5	Below the limit
23	0.04	0.5	Below the limit
24	0.01	0.5	Below the limit
25	0.02	0.5	Below the limit
26	0.03	0.5	Below the limit
27	0.05	0.5	Below the limit
28	0.12	0.5	Below the limit
29	0.01	0.5	Below the limit
30	0.05	0.5	Below the limit
31	0.12	0.5	Below the limit
32	0.20	0.5	Below the limit
33	0.39	0.5	Below the limit
34	0.01	0.5	Below the limit
35	0.09	0.5	Below the limit
36	0.20	0.5	Below the limit
37	0.43	0.5	Near the limit
38	0.49	0.5	Near the limit
39	0.03	0.5	Below the limit
40	0.14	0.5	Below the limit
41	0.32	0.5	Below the limit
42	0.38	0.5	Below the limit
43	0.37	0.5	Below the limit
44	0.16	0.5	Below the limit
45	0.36	0.5	Below the limit
46	0.41	0.5	Near the limit
47	0.03	0.5	Below the limit
48	0.26	0.5	Below the limit
49	0.18	0.5	Below the limit
50	0.20	0.5	Below the limit
51	0.01	0.5	Below the limit
52	0.06	0.5	Below the limit

20240 of 26 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	0.07	0.5	Below the limit
2	0.10	0.5	Below the limit
3	0.12	0.5	Below the limit
4	0.12	0.5	Below the limit
5	0.12	0.5	Below the limit
6	0.13	0.5	Below the limit
7	0.14	0.5	Below the limit
8	0.18	0.5	Below the limit
9	0.17	0.5	Below the limit
10	0.23	0.5	Below the limit
11	0.25	0.5	Below the limit
12	0.18	0.5	Below the limit
13	0.36	0.5	Below the limit
14	0.45	0.5	Near the limit
15	0.43	0.5	Near the limit
16	0.03	0.2	Below the limit
17	0.13	0.2	Below the limit
18	0.11	0.2	Below the limit
19	0.11	0.2	Below the limit
20	0.09	0.2	Below the limit
21	0.10	0.2	Below the limit
22	0.45	0.5	Near the limit
23	unknown	0.5	Reported without a count
24	unknown	0.5	Reported without a count
25	unknown	0.5	Reported without a count
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	unknown	0.5	Not reported
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	0.00	0.5	Below the limit
50	0.00	0.5	Below the limit
51	0.00	0.5	Below the limit
52	0.00	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	Adult female lice per fish	Lice limit	Status
40	0.26	0.5	Below the limit
41	0.38	0.5	Below the limit
42	0.15	0.5	Below the limit
43	0.19	0.5	Below the limit
44	0.28	0.5	Below the limit
45	0.12	0.5	Below the limit
46	0.10	0.5	Below the limit
47	0.12	0.5	Below the limit
48	0.08	0.5	Below the limit
49	0.07	0.5	Below the limit
50	0.07	0.5	Below the limit
51	0.07	0.5	Below the limit
52	0.08	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 5, 2026
Mechanical delousingWhole site
Week 51, 2025
Thermal delousing5 pens
Week 47, 2025
Thermal delousingWhole site
Week 43, 2025
Mechanical delousingWhole site

Show all 17

Week 39, 2025
Mechanical delousing3 pens
Week 38, 2025
Mechanical delousing4 pens
Week 34, 2025
Thermal delousing5 pens
Week 33, 2025
Thermal delousing6 pens
Week 29, 2025
Thermal delousing4 pens
Week 28, 2025
Thermal delousing7 pens
Week 6, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 5, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 4, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 16, 2024
Thermal delousingWhole site
Week 46, 2023
Mechanical delousing3 pens
Week 45, 2023
Mechanical delousing6 pens
Week 42, 2023
Thermal delousingWhole site

Disease

Norwegian Food Safety Authority

04 Mar 2026
Infectious salmon anaemia (ISA): confirmedStatus: active · started 20 Feb 2026 · Norwegian Food Safety Authority

Escapes

Directorate of Fisheries

05 Feb 2018
54,000 salmon escapedCause: Feilmontasje · recaptured 1 · Directorate of Fisheries

Wellboat visits

2 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
28 Jan 2026	Ronja Heroy	Langskjæran	1 h 27 min
26 Jan 2026	Ronja Heroy	Langskjæran	36 h 25 min
16 Dec 2025	Ronja Boroy	Hestøy	12 h 40 min
19 Nov 2025	Ronja Boroy	Lian	5 h 33 min
17 Nov 2025	Ronja Boroy	Lian	29 h 51 min
26 Oct 2025	Ronja Heroy	Ramstadholmen	1 h 47 min
26 Oct 2025	Ronja Heroy	Ramstadholmen	15 h 14 min
25 Oct 2025	Ronja Heroy	Ramstadholmen	4 h 19 min
25 Oct 2025	Ronja Heroy	Ramstadholmen	3 h 58 min
25 Oct 2025	Ronja Heroy	Ramstadholmen	4 h 13 min
24 Oct 2025	Ronja Heroy	Ramstadholmen	2 h 23 min
24 Oct 2025	Ronja Heroy	Ramstadholmen	3 h 49 min

Show 39 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
24 Oct 2025	Ronja Heroy	Ramstadholmen	2 h 38 min
24 Oct 2025	Ronja Heroy	Ramstadholmen	2 h 23 min
23 Oct 2025	Ronja Heroy	Almurden	2 h 56 min
25 Sep 2025	Ronja Heroy	Austvika	3 h 3 min
24 Sep 2025	Ronja Heroy	Austvika	13 h 53 min
23 Sep 2025	Ronja Heroy	Austvika	2 h 49 min
22 Sep 2025	Ronja Heroy	Austvika	19 h 56 min
21 Sep 2025	Ronja Heroy	Austvika	7 h 18 min
20 Sep 2025	Ronja Heroy	Austvika	6 h 52 min
18 Aug 2025	Ro North	Nordfugløy	18 h 59 min
17 Aug 2025	Ro North	Nordfugløy	21 h 48 min
16 Aug 2025	Ro North	Nordfugløy	8 h 47 min
15 Aug 2025	Ro North	Nordfugløy	5 h 27 min
15 Aug 2025	Ro North	Nordfugløy	1 h 15 min
14 Jul 2025	Ro North	Gyltneset	20 h 25 min
13 Jul 2025	Ro North	Gyltneset	15 h 38 min
12 Jul 2025	Ro North	Gyltneset	15 h 38 min
11 Jul 2025	Ro North	Gyltneset	12 h 9 min
22 Apr 2025	Ro Master	Skarvhammaren	1 h 57 min
03 Dec 2024	Ronja Havsoy	no other farm	6 h 4 min
02 Dec 2024	Ronja Havsoy	no other farm	8 h 26 min
30 Nov 2024	Ronja Havsoy	no other farm	3 h 27 min
29 Nov 2024	Ronja Havsoy	no other farm	6 h 16 min
27 Nov 2024	Ronja Havsoy	no other farm	10 h 31 min
26 Nov 2024	Ronja Havsoy	no other farm	2 h 57 min
19 Jun 2024	Ro Spirit	Hestøy	3 h 23 min
17 Jun 2024	Ro Spirit	Hestøy	2 h 46 min
18 Apr 2024	Ro North	Sandskjæret	13 h 11 min
17 Apr 2024	Ro North	Sandskjæret	15 h 41 min
24 Mar 2024	Ro North	Brattholmen disease or zone there	1 h 15 min
21 Mar 2024	Ronja Havsoy	Hestøy	2 h 48 min
19 Mar 2024	Ronja Havsoy	Hestøy	1 h 40 min
18 Mar 2024	Ro Fortune	Hestøy	2 h 52 min
13 Mar 2024	Ro North	Hestøy	2 h 9 min
11 Mar 2024	Ronja Havsoy	Hestøy	4 h 28 min
20 Feb 2024	Ro North	Hestøy	2 h 3 min
15 Feb 2024	Ro North	Vedøya	1 h 32 min
14 Feb 2024	Ronja Havsoy	Hestøy	2 h 35 min
13 Feb 2024	Ro North	Vedøya	2 h 2 min

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

Licences

Site MAB: 4,680 tonnes

Licence	Type	Capacity	Holder
NT LA 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
NT LA 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
NT LA 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
NT NR 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
NT NR 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS
NT NR 0040	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Mowi Seawater Norway AS

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