Gisløy S

Site 20897 · Øksnes municipality · Production area 9, Vestfjorden og Vesterålen

Below the lice limit, week 39Operated by Cermaq Norway Salmon AS · group Cermaq

0.10Adult 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 21 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

4Lice treatments in 2026Latest: Medicinal feed, 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

4Wellboat visits in 2026by 2 different vessels · latest 12 May 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	unknown	0.5	Not reported
18	unknown	0.5	Not reported
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	0.01	0.2	Below the limit
24	0.00	0.2	Below the limit
25	0.00	0.2	Below the limit
26	0.01	0.2	Below the limit
27	0.01	0.5	Below the limit
28	0.02	0.5	Below the limit
29	0.04	0.5	Below the limit
30	0.04	0.5	Below the limit
31	0.10	0.5	Below the limit
32	0.08	0.5	Below the limit
33	0.12	0.5	Below the limit
34	0.13	0.5	Below the limit
35	0.20	0.5	Below the limit
36	0.15	0.5	Below the limit
37	0.12	0.5	Below the limit
38	0.12	0.5	Below the limit
39	0.10	0.5	Below the limit

Earlier years

20250 of 37 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	0.01	0.5	Below the limit
2	0.03	0.5	Below the limit
3	0.01	0.5	Below the limit
4	0.01	0.5	Below the limit
5	0.03	0.5	Below the limit
6	0.05	0.5	Below the limit
7	0.03	0.5	Below the limit
8	unknown	0.5	Reported without a count
9	0.08	0.5	Below the limit
10	0.13	0.5	Below the limit
11	0.10	0.5	Below the limit
12	0.00	0.5	Below the limit
13	0.01	0.5	Below the limit
14	0.11	0.5	Below the limit
15	0.01	0.5	Below the limit
16	0.04	0.5	Below the limit
17	0.00	0.5	Below the limit
18	0.03	0.5	Below the limit
19	0.08	0.5	Below the limit
20	0.03	0.5	Below the limit
21	0.13	0.2	Below the limit
22	0.10	0.2	Below the limit
23	0.10	0.2	Below the limit
24	0.02	0.2	Below the limit
25	0.12	0.2	Below the limit
26	0.07	0.2	Below the limit
27	0.09	0.5	Below the limit
28	0.13	0.5	Below the limit
29	0.06	0.5	Below the limit
30	0.21	0.5	Below the limit
31	0.15	0.5	Below the limit
32	0.03	0.5	Below the limit
33	0.02	0.5	Below the limit
34	0.13	0.5	Below the limit
35	unknown	0.5	Reported without a count
36	0.10	0.5	Below the limit
37	0.08	0.5	Below the limit
38	0.25	0.5	Below the limit
39	0.40	0.5	Near the limit
40	unknown	0.5	Reported without a count
41	unknown	0.5	Reported without a count
42	unknown	0.5	Reported without a count
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

20240 of 29 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	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	unknown	0.2	Reported without a count
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	0.00	0.5	Below the limit
32	0.01	0.5	Below the limit
33	0.03	0.5	Below the limit
34	0.24	0.5	Below the limit
35	0.08	0.5	Below the limit
36	0.09	0.5	Below the limit
37	0.06	0.5	Below the limit
38	0.04	0.5	Below the limit
39	0.06	0.5	Below the limit
40	0.04	0.5	Below the limit
41	0.15	0.5	Below the limit
42	0.19	0.5	Below the limit
43	0.04	0.5	Below the limit
44	0.09	0.5	Below the limit
45	0.05	0.5	Below the limit
46	0.03	0.5	Below the limit
47	0.11	0.5	Below the limit
48	0.28	0.5	Below the limit
49	0.01	0.5	Below the limit
50	0.04	0.5	Below the limit
51	0.09	0.5	Below the limit
52	0.01	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 39, 2026
Medicinal feedEmamectin benzoat
Week 38, 2026
Medicinal feedEmamectin benzoat
Week 35, 2025
Mechanical delousing2 pens
Week 32, 2025
Mechanical delousing3 pens

Show all 11

Week 24, 2025
Mechanical delousing4 pens
Week 49, 2024
Other treatmentWhole site · Termolicer+ etterspyling
Week 42, 2024
Medicinal bathWhole site · Azamethiphos
Week 41, 2024
Medicinal feedWhole site · Teflubenzuron
Week 40, 2024
Medicinal feedWhole site · Teflubenzuron
Week 34, 2024
Medicinal feedWhole site · Emamectin benzoat
Week 33, 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

4 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
12 May 2026	Doennland	Olderfjord	2 h 54 min
05 May 2026	Doennland	Mulen	4 h 35 min
01 May 2026	Ro Chief	no other farm	2 h 14 min
28 Apr 2026	Ro Chief	no other farm	4 h 4 min
15 Oct 2025	Ro Master	Børøya Slaktemerd	1 h 45 min
15 Oct 2025	Ro Master	Skaret	1 h 37 min
13 Oct 2025	Bjorg Pauline	Børøya Slaktemerd	3 h 2 min
07 Oct 2025	Steigen	Holmen	1 h 59 min
07 Oct 2025	Steigen	Storskjæret	2 h 5 min
30 Aug 2025	Veidnes	Kraken	13 h 41 min
08 Aug 2025	Steigen	Storskjæret	7 h 12 min
07 Aug 2025	Steigen	Storskjæret	12 h 52 min

Show 11 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
05 Aug 2025	Steigen	Storskjæret	2 h 53 min
03 Aug 2025	Steigen	Hjartøy Ø	3 h 53 min
01 Jul 2025	Ro Fjell	Slettvika	1 h 2 min
29 Jun 2025	Ro Fjell	Slettvika	1 h 43 min
14 Jun 2025	Veidnes	no other farm	1 h 23 min
14 Jun 2025	Veidnes	no other farm	3 h 17 min
14 Jun 2025	Veidnes	no other farm	3 h 23 min
07 Dec 2024	Ro Fortune	Korsnes	27 h 59 min
07 Dec 2024	Ro Fortune	Korsnes	2 h 1 min
17 Jul 2024	Doennland	Rypefjord	3 h 17 min
07 Jun 2024	Doennland	Storskjæret	1 h 40 min

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

Licences

Site MAB: 3,600 tonnes

Licence	Type	Capacity	Holder
N HM 0002	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	824 t	Cermaq Norway Salmon AS
N SG 0007	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	826 t	Cermaq Norway Salmon AS
N SG 0016	Kommersiell / matfiskSalmon, Rainbow trout, Trout	826 t	Cermaq Norway Salmon AS
N SG 0027	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	826 t	Cermaq Norway Salmon AS
N SG 0028	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	826 t	Cermaq Norway Salmon AS

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