Bognøy

Site 13209 · Alver municipality · Production area 4, Nordhordland til Stadt

Below the lice limit, week 39Operated by Lerøy Vest Sjø AS · group Lerøy Seafood Group

0.23Adult female lice per fishLimit 0.50 · below the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

1Weeks above the limit in 2026of 39 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

8Lice treatments in 2026Latest: Mechanical 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

12Wellboat visits in 2026by 3 different vessels · latest 23 Aug 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	0.04	0.5	Below the limit
2	0.03	0.5	Below the limit
3	0.11	0.5	Below the limit
4	0.09	0.5	Below the limit
5	0.05	0.5	Below the limit
6	0.05	0.5	Below the limit
7	0.07	0.5	Below the limit
8	0.26	0.5	Below the limit
9	0.20	0.5	Below the limit
10	0.24	0.5	Below the limit
11	0.24	0.5	Below the limit
12	0.43	0.5	Near the limit
13	0.13	0.5	Below the limit
14	0.03	0.5	Below the limit
15	0.10	0.5	Below the limit
16	0.03	0.2	Below the limit
17	0.11	0.2	Below the limit
18	0.04	0.2	Below the limit
19	0.13	0.2	Below the limit
20	0.01	0.2	Below the limit
21	0.14	0.2	Below the limit
22	0.15	0.5	Below the limit
23	0.39	0.5	Below the limit
24	0.38	0.5	Below the limit
25	0.43	0.5	Near the limit
26	0.46	0.5	Near the limit
27	0.45	0.5	Near the limit
28	0.49	0.5	Near the limit
29	0.23	0.5	Below the limit
30	0.18	0.5	Below the limit
31	0.13	0.5	Below the limit
32	0.21	0.5	Below the limit
33	0.48	0.5	Near the limit
34	0.87	0.5	Above the limit
35	0.28	0.5	Below the limit
36	0.22	0.5	Below the limit
37	0.45	0.5	Near the limit
38	0.38	0.5	Below the limit
39	0.23	0.5	Below the limit

Earlier years

20250 of 19 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	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	0.2	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	0.00	0.5	Below the limit
35	0.00	0.5	Below the limit
36	0.00	0.5	Below the limit
37	0.00	0.5	Below the limit
38	0.00	0.5	Below the limit
39	0.05	0.5	Below the limit
40	0.32	0.5	Below the limit
41	0.47	0.5	Near the limit
42	0.05	0.5	Below the limit
43	0.03	0.5	Below the limit
44	0.05	0.5	Below the limit
45	0.10	0.5	Below the limit
46	0.12	0.5	Below the limit
47	0.30	0.5	Below the limit
48	0.25	0.5	Below the limit
49	0.33	0.5	Below the limit
50	0.44	0.5	Near the limit
51	0.44	0.5	Near the limit
52	0.13	0.5	Below the limit

20240 of 48 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	0.18	0.5	Below the limit
2	0.06	0.5	Below the limit
3	0.05	0.5	Below the limit
4	0.05	0.5	Below the limit
5	0.09	0.5	Below the limit
6	0.09	0.5	Below the limit
7	0.06	0.5	Below the limit
8	0.10	0.5	Below the limit
9	0.15	0.5	Below the limit
10	0.09	0.5	Below the limit
11	0.10	0.5	Below the limit
12	0.25	0.5	Below the limit
13	0.19	0.5	Below the limit
14	0.06	0.5	Below the limit
15	0.05	0.5	Below the limit
16	0.09	0.2	Below the limit
17	0.06	0.2	Below the limit
18	0.04	0.2	Below the limit
19	0.05	0.2	Below the limit
20	0.06	0.2	Below the limit
21	0.11	0.2	Below the limit
22	0.26	0.5	Below the limit
23	0.19	0.5	Below the limit
24	0.29	0.5	Below the limit
25	0.18	0.5	Below the limit
26	0.15	0.5	Below the limit
27	0.19	0.5	Below the limit
28	0.26	0.5	Below the limit
29	0.33	0.5	Below the limit
30	0.30	0.5	Below the limit
31	0.33	0.5	Below the limit
32	0.28	0.5	Below the limit
33	0.35	0.5	Below the limit
34	0.35	0.5	Below the limit
35	0.19	0.5	Below the limit
36	0.45	0.5	Near the limit
37	0.28	0.5	Below the limit
38	0.39	0.5	Below the limit
39	0.38	0.5	Below the limit
40	0.13	0.5	Below the limit
41	0.18	0.5	Below the limit
42	0.25	0.5	Below the limit
43	0.43	0.5	Near the limit
44	0.27	0.5	Below the limit
45	0.10	0.5	Below the limit
46	0.13	0.5	Below the limit
47	0.18	0.5	Below the limit
48	0.25	0.5	Below the limit
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

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Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
40	0.00	0.5	Below the limit
41	0.00	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.01	0.5	Below the limit
44	0.01	0.5	Below the limit
45	0.04	0.5	Below the limit
46	0.13	0.5	Below the limit
47	0.19	0.5	Below the limit
48	0.11	0.5	Below the limit
49	0.21	0.5	Below the limit
50	0.23	0.5	Below the limit
51	0.13	0.5	Below the limit
52	0.21	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 39, 2026
Mechanical delousing2 pens
Week 36, 2026
Thermal delousing3 pens
Week 35, 2026
Thermal delousing1 pen
Week 34, 2026
Thermal delousing2 pens

Show all 23

Week 31, 2026
Thermal delousingWhole site
Week 25, 2026
Thermal delousing3 pens
Week 18, 2026
Thermal delousingWhole site
Week 12, 2026
Thermal delousingWhole site
Week 52, 2025
Medicinal bath, Thermal delousing, Freshwater treatment4 pens · Azamethiphos
Week 50, 2025
Medicinal feed1 pen · Emamectin benzoat
Week 49, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 42, 2025
Medicinal bathWhole site · Azamethiphos
Week 44, 2024
Thermal delousing3 pens
Week 40, 2024
Thermal delousingWhole site
Week 38, 2024
Thermal delousingWhole site
Week 37, 2024
Thermal delousing1 pen
Week 35, 2024
Thermal delousingWhole site
Week 33, 2024
Thermal delousing3 pens
Week 32, 2024
Thermal delousing1 pen
Week 30, 2024
Thermal delousingWhole site
Week 14, 2024
Thermal delousingWhole site
Week 2, 2024
Medicinal bath1 pen · Azamethiphos
Week 45, 2023
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

12 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
23 Aug 2026	Seigrunn	Ramsvik	30 h 24 min
23 Aug 2026	Seigrunn	Ramsvik	2 h 44 min
22 Aug 2026	Seigrunn	Skåtholmen	9 h 3 min
30 Jul 2026	Seigrunn	Stolane	3 h 46 min
29 Jul 2026	Seigrunn	Stolane	17 h 13 min
28 Jul 2026	Seigrunn	Stolane	9 h 36 min
16 Jun 2026	Horda Pioneer	Stolane	10 h 18 min
01 May 2026	Seihav	Ramsvik	12 h 36 min
30 Apr 2026	Seihav	Ramsvik	5 h 22 min
23 Mar 2026	Seihav	Grasholmen	16 h 49 min
22 Mar 2026	Seihav	Grasholmen	7 h 34 min
29 Dec 2025	Seihav	Sagen 2	2 h 0 min

Show 8 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
28 Dec 2025	Seihav	Sagen 2	4 h 0 min
28 Dec 2025	Seihav	Sagen 2	8 h 47 min
11 Dec 2025	Mowi Star	Silda	1 h 2 min
28 Nov 2025	Seihav	Buarøy	11 h 21 min
20 Oct 2025	Mowi Star	Stolane	8 h 24 min
13 Oct 2025	Seihav	Kelvesteinen	3 h 23 min
18 Aug 2025	Mowi Star	Djupevik	1 h 24 min
10 Jan 2024	Seihav	Stolane	1 h 59 min

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

Licences

Site MAB: 1,560 tonnes

Licence	Type	Capacity	Holder
H R 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,080 t	Lerøy Vest Sjø AS
H R 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Lerøy Vest Sjø AS

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