Vindhammeren

Site 11252 · Bø i Nordland municipality · Production area 9, Vestfjorden og Vesterålen

Below the lice limit, week 39Operated by Egil Kristoffersen & Sønner AS · group Egil Kristoffersen & Sønner

0.00Adult 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 29 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

2Lice treatments in 2026Latest: Freshwater treatment, week 38, 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

5Wellboat visits in 2026by 3 different vessels · latest 02 Sep 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported1 salmon, June 2023Since 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

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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	0.00	0.5	Below the limit
12	0.01	0.5	Below the limit
13	0.01	0.5	Below the limit
14	0.01	0.5	Below the limit
15	0.00	0.5	Below the limit
16	0.00	0.5	Below the limit
17	0.00	0.5	Below the limit
18	0.00	0.5	Below the limit
19	0.07	0.5	Below the limit
20	0.00	0.5	Below the limit
21	0.02	0.2	Below the limit
22	0.00	0.2	Below the limit
23	0.03	0.2	Below the limit
24	0.02	0.2	Below the limit
25	0.00	0.2	Below the limit
26	0.00	0.2	Below the limit
27	0.06	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.07	0.5	Below the limit
30	0.03	0.5	Below the limit
31	0.03	0.5	Below the limit
32	0.42	0.5	Near the limit
33	0.05	0.5	Below the limit
34	0.13	0.5	Below the limit
35	0.17	0.5	Below the limit
36	0.40	0.5	Near the limit
37	0.36	0.5	Below the limit
38	0.02	0.5	Below the limit
39	0.00	0.5	Below the limit

Earlier years

20232 of 14 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
34	0.10	0.5	Below the limit
35	0.23	0.5	Below the limit
36	0.40	0.5	Near the limit
37	0.41	0.5	Near the limit
38	0.81	0.5	Above the limit
39	0.59	0.5	Above the limit
40	0.41	0.5	Near the limit
41	0.42	0.5	Near the limit
42	0.38	0.5	Below the limit
43	0.46	0.5	Near the limit
44	0.45	0.5	Near the limit
45	0.43	0.5	Near the limit
46	0.48	0.5	Near the limit
47	0.45	0.5	Near the limit
48	unknown	0.5	Reported without a count
49	unknown	0.5	Not reported
50	unknown	0.5	Not reported
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

Treatments

Norwegian Food Safety Authority

Week 38, 2026
Thermal delousing, Freshwater treatmentWhole site
Week 33, 2026
Thermal delousing, Mechanical delousingWhole site
Week 45, 2023
Medicinal bath2 pens · Azamethiphos
Week 38, 2023
Thermal delousing3 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

26 Jun 2023
1 salmon escapedCause: Under handtering/lusetelling glapp røkteren taket i fisken. De klarte ikke å få tak i denne igjen. · recaptured 1 · Directorate of Fisheries

Wellboat visits

5 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
02 Sep 2026	Grotanger	Skatleia	2 h 11 min
14 Aug 2026	Ro Arctic	Storvika III disease or zone there	5 h 19 min
13 Aug 2026	Ro Arctic	Storvika III disease or zone there	4 h 15 min
12 Mar 2026	Caspian	Bonhammaren	57 min
11 Mar 2026	Caspian	Bonhammaren	1 h 42 min

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

Who has reported

The companies that have submitted lice counts for this site, with the first and last week.

Company	From	To
Egil Kristoffersen & Sønner AS	Week 34, 2023	Week 39, 2026
Egil Kristoffersen & Sønner AS Avd Produksjon	Week 11, 2026	Week 38, 2026

Source: Norwegian Food Safety Authority (organisation number on each lice report)

Licences

Site MAB: 1,100 tonnes

Licence	Type	Capacity	Holder
N BØ 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Egil Kristoffersen & Sønner AS
N BØ 0016	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Egil Kristoffersen & Sønner AS
N BØ 0023	Kommersiell / matfiskSalmon, Rainbow trout, Trout	101 t	Salaks Produksjon AS

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