Heggeset

Site 45167 · Averøy municipality · Production area 6, Nordmøre og Sør-Trøndelag

Below the lice limit, week 39Operated by Måsøval Lisens AS · group Måsøval

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

0Lice treatments in 2026None recorded2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Active disease casesNone recordedRegister since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

2Wellboat visits in 2026by 1 vessel · latest 06 Apr 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	0.01	0.5	Below the limit
2	0.00	0.5	Below the limit
3	0.11	0.5	Below the limit
4	0.14	0.5	Below the limit
5	0.27	0.5	Below the limit
6	0.24	0.5	Below the limit
7	0.39	0.5	Below the limit
8	0.30	0.5	Below the limit
9	0.33	0.5	Below the limit
10	0.45	0.5	Near the limit
11	0.48	0.5	Near the limit
12	0.45	0.5	Near the limit
13	0.48	0.5	Near the limit
14	unknown	0.5	Reported without a count
15	unknown	0.5	Reported without a count
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	0.00	0.5	Below the limit
37	0.00	0.5	Below the limit
38	0.00	0.5	Below the limit
39	0.00	0.5	Below the limit

Earlier years

20250 of 35 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	0.00	0.2	Below the limit
19	0.00	0.2	Below the limit
20	0.00	0.2	Below the limit
21	0.00	0.2	Below the limit
22	0.00	0.5	Below the limit
23	0.01	0.5	Below the limit
24	0.04	0.5	Below the limit
25	0.08	0.5	Below the limit
26	0.25	0.5	Below the limit
27	0.13	0.5	Below the limit
28	0.18	0.5	Below the limit
29	0.29	0.5	Below the limit
30	0.06	0.5	Below the limit
31	0.03	0.5	Below the limit
32	0.14	0.5	Below the limit
33	0.19	0.5	Below the limit
34	0.30	0.5	Below the limit
35	0.49	0.5	Near the limit
36	0.31	0.5	Below the limit
37	0.38	0.5	Below the limit
38	0.45	0.5	Near the limit
39	0.11	0.5	Below the limit
40	0.25	0.5	Below the limit
41	0.33	0.5	Below the limit
42	0.48	0.5	Near the limit
43	0.26	0.5	Below the limit
44	0.02	0.5	Below the limit
45	0.06	0.5	Below the limit
46	0.09	0.5	Below the limit
47	0.09	0.5	Below the limit
48	0.09	0.5	Below the limit
49	0.31	0.5	Below the limit
50	0.37	0.5	Below the limit
51	0.01	0.5	Below the limit
52	0.00	0.5	Below the limit

20230 of 0 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	Reported without a count
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	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 51, 2025
Medicinal bathWhole site · Azamethiphos
Week 50, 2025
Mechanical delousing1 pen
Week 44, 2025
Freshwater treatment, Thermal delousing2 pens
Week 43, 2025
Thermal delousing, Freshwater treatment6 pens

Show all 9

Week 39, 2025
Mechanical delousingWhole site
Week 37, 2025
Thermal delousing1 pen
Week 36, 2025
Thermal delousingWhole site
Week 33, 2025
Other treatment, Thermal delousing4 pens · Metodebytte fra Wellfighter til TLC underveis i behandlingen.
Week 30, 2025
Other treatmentWhole site · Ferskvann + termisk

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

2 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
06 Apr 2026	Njord Kya	Ilsøya 2	1 h 36 min
07 Mar 2026	Njord Kya	Ulvan	2 h 30 min
27 Oct 2025	Njord Kya	Fjølværet Ø	21 h 50 min
26 Oct 2025	Njord Kya	Fjølværet Ø	8 h 41 min
25 Oct 2025	Njord Kya	Fjølværet Ø	8 h 43 min
01 Sep 2025	Njord Kya	Kattholmen	30 h 38 min
12 Aug 2025	Njord Kya	Gaustad	30 h 38 min
24 Jul 2025	Njord Kya	Langøya Kvaløya	2 h 36 min
23 Jul 2025	Njord Kya	Langøya Kvaløya	5 h 57 min
23 Jul 2025	Njord Kya	Langøya Kvaløya	15 h 44 min
22 Jul 2025	Njord Kya	Langøya Kvaløya	2 h 21 min
21 May 2025	Viknatrans	Kråkøy Slakteri	2 h 35 min

Show 1 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
03 May 2025	Ro Sailor	Fjølværet Ø	2 h 12 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
Måsøval AS	Week 40, 2023	Week 40, 2023
Måsøval Lisens AS	Week 18, 2025	Week 39, 2026

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

Licences

Site MAB: 2,340 tonnes

Licence	Type	Capacity	Holder
M AV 0028	Undervisning / matfiskSalmon	780 t	Møre Og Romsdal Fylkeskommune
ST F 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Måsøval Lisens AS
ST F 0062	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Måsøval Lisens AS
ST HE 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Måsøval Lisens AS
ST HE 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Måsøval Lisens AS
TR F 0031	Kommersiell / matfiskSalmon, Rainbow trout, Trout	459 t	Frøy Havbruk AS
TR F 0032	Kommersiell / matfiskSalmon, Rainbow trout, Trout	459 t	Frøy Havbruk AS
TR F 0033	Kommersiell / matfiskSalmon, Rainbow trout, Trout	505 t	Frøy Havbruk AS
TR F 0034	Kommersiell / matfiskSalmon, Rainbow trout, Trout	505 t	Frøy Havbruk AS
TR F 0035	Kommersiell / matfiskSalmon, Rainbow trout, Trout	505 t	Frøy Havbruk AS

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