Hellerflesa

Site 45127 · Nærøysund municipality · Production area 7, Nord-Trøndelag med Bindal

Below the lice limit, week 39Operated by Bjørøya AS · group unknown

0.06Adult 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 38 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

5Lice treatments in 2026Latest: Other 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

6Wellboat visits in 2026by 2 different vessels · latest 12 Sep 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported1-10 salmon, April 2026Since 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	0.00	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	0.01	0.5	Below the limit
6	0.02	0.5	Below the limit
7	0.02	0.5	Below the limit
8	0.02	0.5	Below the limit
9	0.05	0.5	Below the limit
10	0.07	0.5	Below the limit
11	0.08	0.5	Below the limit
12	0.07	0.5	Below the limit
13	0.07	0.5	Below the limit
14	0.08	0.5	Below the limit
15	unknown	0.5	Not reported
16	0.07	0.2	Below the limit
17	0.06	0.2	Below the limit
18	0.07	0.2	Below the limit
19	0.08	0.2	Below the limit
20	0.12	0.2	Below the limit
21	0.12	0.2	Below the limit
22	0.15	0.5	Below the limit
23	0.17	0.5	Below the limit
24	0.19	0.5	Below the limit
25	0.18	0.5	Below the limit
26	0.19	0.5	Below the limit
27	0.19	0.5	Below the limit
28	0.18	0.5	Below the limit
29	0.19	0.5	Below the limit
30	0.20	0.5	Below the limit
31	0.29	0.5	Below the limit
32	0.45	0.5	Near the limit
33	0.16	0.5	Below the limit
34	0.19	0.5	Below the limit
35	0.20	0.5	Below the limit
36	0.28	0.5	Below the limit
37	0.53	0.5	Above the limit
38	0.08	0.5	Below the limit
39	0.06	0.5	Below the limit

Earlier years

20253 of 16 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	0.42	0.5	Near the limit
2	0.47	0.5	Near the limit
3	unknown	0.5	Not reported
4	0.23	0.5	Below the limit
5	0.35	0.5	Below the limit
6	0.36	0.5	Below the limit
7	0.40	0.5	Near the limit
8	0.46	0.5	Near the limit
9	0.49	0.5	Near the limit
10	0.53	0.5	Above the limit
11	0.51	0.5	Above the limit
12	0.53	0.5	Above the limit
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	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	0.00	0.5	Below the limit
47	0.00	0.5	Below the limit
48	unknown	0.5	Reported without a count
49	0.00	0.5	Below the limit
50	unknown	0.5	Reported without a count
51	0.00	0.5	Below the limit
52	0.00	0.5	Below the limit

20240 of 50 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	0.00	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	0.00	0.5	Below the limit
9	0.00	0.5	Below the limit
10	0.01	0.5	Below the limit
11	0.00	0.5	Below the limit
12	0.00	0.5	Below the limit
13	0.00	0.5	Below the limit
14	0.01	0.5	Below the limit
15	0.01	0.5	Below the limit
16	0.01	0.2	Below the limit
17	0.02	0.2	Below the limit
18	0.02	0.2	Below the limit
19	0.02	0.2	Below the limit
20	0.01	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	0.05	0.5	Below the limit
25	unknown	0.5	Not reported
26	0.12	0.5	Below the limit
27	0.02	0.5	Below the limit
28	0.06	0.5	Below the limit
29	0.09	0.5	Below the limit
30	0.08	0.5	Below the limit
31	0.39	0.5	Below the limit
32	0.29	0.5	Below the limit
33	0.14	0.5	Below the limit
34	0.20	0.5	Below the limit
35	0.32	0.5	Below the limit
36	0.45	0.5	Near the limit
37	0.34	0.5	Below the limit
38	0.32	0.5	Below the limit
39	0.38	0.5	Below the limit
40	0.42	0.5	Near the limit
41	0.13	0.5	Below the limit
42	0.28	0.5	Below the limit
43	0.33	0.5	Below the limit
44	0.36	0.5	Below the limit
45	0.49	0.5	Near the limit
46	0.20	0.5	Below the limit
47	0.20	0.5	Below the limit
48	0.36	0.5	Below the limit
49	unknown	0.5	Not reported
50	0.45	0.5	Near the limit
51	0.38	0.5	Below the limit
52	0.41	0.5	Near the limit

20230 of 4 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	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

Treatments

Norwegian Food Safety Authority

Week 38, 2026
Other treatment3 pens · Ferskvann - Thermolicer
Week 37, 2026
Other treatment4 pens · Ferskvann - Thermolicer
Week 33, 2026
Mechanical delousingWhole site
Week 14, 2026
Medicinal feedWhole site · Emamectin benzoate

Show all 14

Week 13, 2026
Medicinal feedWhole site · Emamectin benzoate
Week 4, 2025
Mechanical delousing7 pens
Week 47, 2024
Other treatment6 pens · Hydrolicer
Week 46, 2024
Other treatment3 pens · Hydrolicer
Week 41, 2024
Other treatment7 pens · Hydrolicer
Week 40, 2024
Other treatment2 pens · Hydrolicer
Week 38, 2024
Other treatment3 pens · FreshWell
Week 37, 2024
Other treatment6 pens · FreshWell
Week 34, 2024
Other treatment1 pen · Hydrolicer
Week 33, 2024
Other treatment8 pens · FreshWell, Hydrolicer

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

10 Apr 2026
1-10 salmon escapedCause: Uvisst årsak enda. Nota var også inspisert på tirsdag 07.04.26, da var det ikke noe hull i nottak. Video etter spyling fra Fosnasund skal gjennomgås igjen nå. · recaptured 1 · Directorate of Fisheries

Wellboat visits

6 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 Sep 2026	Njord Kya	Ulvan	18 h 13 min
11 Sep 2026	Njord Kya	Ulvan	3 h 53 min
11 Sep 2026	Njord Kya	Ulvan	12 h 58 min
10 Sep 2026	Njord Kya	Ulvan	20 h 52 min
11 Aug 2026	Ronja Naeroeysund	Ternskjæret II	44 h 50 min
10 Aug 2026	Ronja Naeroeysund	Ternskjæret II	16 h 18 min
01 Dec 2025	Ronja Vita	Humulen	7 h 16 min
28 Nov 2025	Ronja Vita	Humulen	13 h 34 min
12 Nov 2025	Ronja Aurora	no other farm	1 h 36 min
06 Apr 2025	Ronja Explorer	Marøya	4 h 3 min
05 Apr 2025	Ronja Explorer	Marøya	3 h 18 min
04 Apr 2025	Ronja Explorer	Marøya	1 h 34 min

Show 16 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
04 Apr 2025	Norwegian Gannet	Kjeholmen II	17 h 56 min
03 Apr 2025	Ronja Explorer	Marøya	1 h 45 min
02 Apr 2025	Ronja Explorer	Marøya	2 h 27 min
01 Apr 2025	Ronja Explorer	Marøya	2 h 12 min
24 Mar 2025	Ronja Explorer	Marøya	3 h 1 min
23 Mar 2025	Ronja Explorer	Marøya	1 h 27 min
23 Jan 2025	Ronja Ocean	Smineset N	53 h 4 min
19 Sep 2024	Ronja Princess	Nordskag	9 h 9 min
18 Sep 2024	Ronja Princess	Nordskag	12 h 20 min
17 Sep 2024	Ronja Princess	Nordskag	9 h 0 min
16 Sep 2024	Ronja Princess	Nordskag	13 h 1 min
14 Sep 2024	Ronja Princess	Nordskag	31 h 48 min
14 Sep 2024	Ronja Princess	Nordskag	5 h 57 min
13 Sep 2024	Ronja Princess	Nordskag	15 h 23 min
12 Sep 2024	Ronja Princess	Nordskag	3 h 22 min
11 Sep 2024	Ronja Princess	Nordskag	33 h 30 min

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

Licences

Site MAB: 5,460 tonnes

Licence	Type	Capacity	Holder
NT F 0028	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Bjørøya AS
NT F 0029	Kommersiell / matfiskSalmon, Rainbow trout, Trout	804 t	Bjørøya AS
NT F 0033	Kommersiell / matfisk-grønn bSalmon, Rainbow trout, Trout	804 t	Bjørøya AS

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