Hysjorda

Site 11251 · Bø i Nordland municipality · Production area 9, Vestfjorden og Vesterålen

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

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0.27Adult 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 30 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

2Lice treatments in 2026Latest: Thermal 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

4Wellboat visits in 2026by 3 different vessels · latest 15 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 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	0.02	0.5	Below the limit
11	0.01	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	0.03	0.5	Below the limit
17	0.00	0.5	Below the limit
18	0.00	0.5	Below the limit
19	0.01	0.5	Below the limit
20	0.00	0.5	Below the limit
21	0.01	0.2	Below the limit
22	0.03	0.2	Below the limit
23	0.03	0.2	Below the limit
24	0.01	0.2	Below the limit
25	0.00	0.2	Below the limit
26	0.04	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	0.05	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.23	0.5	Below the limit
33	0.13	0.5	Below the limit
34	0.25	0.5	Below the limit
35	0.18	0.5	Below the limit
36	0.18	0.5	Below the limit
37	0.18	0.5	Below the limit
38	0.42	0.5	Near the limit
39	0.27	0.5	Below the limit

Earlier years

20246 of 22 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	0.00	0.2	Below the limit
23	0.02	0.2	Below the limit
24	0.01	0.2	Below the limit
25	0.07	0.2	Below the limit
26	0.05	0.2	Below the limit
27	0.10	0.5	Below the limit
28	0.07	0.5	Below the limit
29	0.06	0.5	Below the limit
30	0.38	0.5	Below the limit
31	0.42	0.5	Near the limit
32	0.46	0.5	Near the limit
33	0.44	0.5	Near the limit
34	0.71	0.5	Above the limit
35	2.48	0.5	Above the limit
36	0.11	0.5	Below the limit
37	0.00	0.5	Below the limit
38	0.13	0.5	Below the limit
39	0.45	0.5	Near the limit
40	2.08	0.5	Above the limit
41	0.83	0.5	Above the limit
42	0.98	0.5	Above the limit
43	1.50	0.5	Above the limit
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

20234 of 6 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
37	0.43	0.5	Near the limit
38	2.85	0.5	Above the limit
39	1.30	0.5	Above the limit
40	1.28	0.5	Above the limit
41	1.20	0.5	Above the limit
42	0.40	0.5	Near the limit
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

Treatments

Norwegian Food Safety Authority

Week 39, 2026
Thermal delousingWhole site
Week 33, 2026
Mechanical delousing, Thermal delousingWhole site
Week 41, 2024
Thermal delousingWhole site
Week 36, 2024
Medicinal bathWhole site · Azamethiphos

Show all 6

Week 22, 2024
Freshwater treatment3 pens
Week 40, 2023
Medicinal bathWhole site · Azamethiphos

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
15 Aug 2026	Ro Arctic	Vindhammeren	2 h 33 min
14 Aug 2026	Ro Arctic	Vindhammeren	14 h 48 min
12 Mar 2026	Caspian	Bonhammaren	51 min
02 Mar 2026	Grotanger	Bonhammaren	3 h 2 min
09 Nov 2024	Skrova	Bjørkvik	1 h 58 min
01 Nov 2024	Grotanger	Hellfjorden	2 h 31 min
18 Oct 2024	Grotanger	Gjervika	1 h 21 min
09 Oct 2024	Grotanger	Myrlandshaug	5 h 35 min
08 Oct 2024	Grotanger	Myrlandshaug	5 h 1 min
07 Sep 2024	Grotanger	Skatleia	2 h 38 min
05 Sep 2024	Grotanger	Alsvåg	1 h 17 min
05 Sep 2024	Grotanger	Alsvåg	6 h 26 min

Show 5 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
05 Sep 2024	Grotanger	Alsvåg	3 h 30 min
05 Sep 2024	Grotanger	Alsvåg	1 h 8 min
04 Sep 2024	Grotanger	Alsvåg	1 h 28 min
04 Sep 2024	Grotanger	Alsvåg	2 h 24 min
04 Jun 2024	Grotanger	Vedvika	1 h 43 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 37, 2023	Week 43, 2024
Egil Kristoffersen & Sønner AS Avd Produksjon	Week 10, 2026	Week 39, 2026

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

Licences

Site MAB: 1,560 tonnes

Licence	Type	Capacity	Holder
N BØ 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Egil Kristoffersen & Sønner AS
N BØ 0021	Kommersiell / matfiskSalmon, Rainbow trout, Trout	796 t	Egil Kristoffersen & Sønner AS

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