Gaustad

Site 13021 · Hustadvika municipality · Production area 6, Nordmøre og Sør-Trøndelag

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

0.09Adult 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 19 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 2 different vessels · latest 30 Jun 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	0.27	0.5	Below the limit
2	0.38	0.5	Below the limit
3	0.42	0.5	Near the limit
4	0.35	0.5	Below the limit
5	0.30	0.5	Below the limit
6	0.45	0.5	Near the limit
7	unknown	0.5	Reported without a count
8	unknown	0.5	Reported without a count
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	0.00	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.00	0.5	Below the limit
30	0.00	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.02	0.5	Below the limit
33	0.02	0.5	Below the limit
34	0.00	0.5	Below the limit
35	0.00	0.5	Below the limit
36	0.04	0.5	Below the limit
37	0.04	0.5	Below the limit
38	0.00	0.5	Below the limit
39	0.09	0.5	Below the limit

Earlier years

20252 of 52 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	0.01	0.5	Below the limit
2	0.06	0.5	Below the limit
3	0.06	0.5	Below the limit
4	0.12	0.5	Below the limit
5	0.05	0.5	Below the limit
6	0.12	0.5	Below the limit
7	0.19	0.5	Below the limit
8	0.29	0.5	Below the limit
9	0.16	0.5	Below the limit
10	0.24	0.5	Below the limit
11	0.19	0.5	Below the limit
12	0.27	0.5	Below the limit
13	0.26	0.5	Below the limit
14	0.49	0.5	Near the limit
15	0.34	0.5	Below the limit
16	0.04	0.2	Below the limit
17	0.09	0.2	Below the limit
18	0.12	0.2	Below the limit
19	0.14	0.2	Below the limit
20	0.16	0.2	Below the limit
21	0.10	0.2	Below the limit
22	0.08	0.5	Below the limit
23	0.33	0.5	Below the limit
24	0.47	0.5	Near the limit
25	0.88	0.5	Above the limit
26	0.40	0.5	Near the limit
27	0.01	0.5	Below the limit
28	0.10	0.5	Below the limit
29	0.21	0.5	Below the limit
30	0.41	0.5	Near the limit
31	0.46	0.5	Near the limit
32	0.49	0.5	Near the limit
33	0.21	0.5	Below the limit
34	0.49	0.5	Near the limit
35	0.20	0.5	Below the limit
36	0.48	0.5	Near the limit
37	0.44	0.5	Near the limit
38	0.44	0.5	Near the limit
39	0.48	0.5	Near the limit
40	0.42	0.5	Near the limit
41	0.25	0.5	Below the limit
42	0.42	0.5	Near the limit
43	0.47	0.5	Near the limit
44	0.82	0.5	Above the limit
45	0.28	0.5	Below the limit
46	0.02	0.5	Below the limit
47	0.03	0.5	Below the limit
48	0.03	0.5	Below the limit
49	0.03	0.5	Below the limit
50	0.02	0.5	Below the limit
51	0.08	0.5	Below the limit
52	0.08	0.5	Below the limit

20240 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, 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	0.2	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	0.00	0.5	Below the limit
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	0.02	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.02	0.5	Below the limit
46	0.00	0.5	Below the limit
47	0.00	0.5	Below the limit
48	0.02	0.5	Below the limit
49	0.01	0.5	Below the limit
50	0.03	0.5	Below the limit
51	0.01	0.5	Below the limit
52	0.04	0.5	Below the limit

20230 of 7 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	0.41	0.5	Near the limit
41	0.35	0.5	Below the limit
42	0.46	0.5	Near the limit
43	unknown	0.5	Not reported
44	0.21	0.5	Below the limit
45	0.15	0.5	Below the limit
46	0.14	0.5	Below the limit
47	0.14	0.5	Below the limit
48	unknown	0.5	Reported without a count
49	unknown	0.5	Reported without a count
50	unknown	0.5	Not reported
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

Treatments

Norwegian Food Safety Authority

Week 46, 2025
Freshwater treatment, Thermal delousing4 pens
Week 45, 2025
Thermal delousing, Freshwater treatment2 pens
Week 43, 2025
Mechanical delousing2 pens
Week 40, 2025
Mechanical delousing3 pens

Show all 17

Week 37, 2025
Mechanical delousing6 pens
Week 35, 2025
Mechanical delousing5 pens
Week 34, 2025
Mechanical delousing3 pens
Week 33, 2025
Mechanical delousing1 pen
Week 32, 2025
Mechanical delousing7 pens
Week 31, 2025
Mechanical delousing2 pens
Week 30, 2025
Mechanical delousing6 pens
Week 27, 2025
Freshwater treatment, Thermal delousing8 pens
Week 26, 2025
Thermal delousing, Freshwater treatment8 pens
Week 21, 2025
Mechanical delousing, Thermal delousing7 pens
Week 16, 2025
Other treatment4 pens · Wellfighter
Week 15, 2025
Other treatment2 pens · Thermolicer
Week 40, 2023
Other treatment1 pen · Flatsetsundspyler

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
30 Jun 2026	Smola Vag	Or	2 h 44 min
15 Feb 2026	Njord Kya	Espnestaren	3 h 58 min
17 Nov 2025	Havoern	no other farm	1 h 59 min
10 Nov 2025	Njord Kya	Langøya Kvaløya	23 h 24 min
13 Oct 2025	Njord Kya	Ulvan	2 h 28 min
12 Oct 2025	Njord Kya	Or	1 h 58 min
06 Oct 2025	Njord Kya	Hendneset	3 h 14 min
27 Sep 2025	Froey Viking	Skåren	2 h 1 min
26 Sep 2025	Njord Kya	Kråkholmen	2 h 39 min
09 Aug 2025	Njord Kya	Oløya N	57 h 3 min
26 Jul 2025	Njord Kya	Heggeset	59 h 1 min
02 Jul 2025	Njord Kya	no other farm	25 h 38 min

Show 13 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
01 Jul 2025	Njord Kya	no other farm	23 h 42 min
29 Jun 2025	Njord Kya	no other farm	2 h 18 min
28 Jun 2025	Njord Kya	Stokkvika	17 h 46 min
27 Jun 2025	Njord Kya	Stokkvika	15 h 42 min
25 Jun 2025	Njord Kya	Stokkvika	17 h 24 min
22 May 2025	Njord Kya	Hårkallbåen disease or zone there	72 h 25 min
15 Apr 2025	Njord Kya	Ulvan	22 h 46 min
13 Apr 2025	Njord Kya	Ulvan	43 h 47 min
12 Apr 2025	Njord Kya	Ulvan	2 h 0 min
11 Apr 2025	Njord Kya	Ulvan	15 h 28 min
30 Jan 2025	Neptun	Langskjæra	4 h 14 min
05 Dec 2024	Neptun	Kattholmen	12 h 37 min
31 Aug 2024	Viknatrans	Merraberget	1 h 40 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 2, 2025
Måsøval Lisens AS	Week 3, 2025	Week 39, 2026

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

Licences

Site MAB: 3,120 tonnes

Licence	Type	Capacity	Holder
M AV 0027	Kommersiell / matfiskSalmon, Rainbow trout, Trout	780 t	Måsøval Lisens AS
M AV 0028	Undervisning / matfiskSalmon	780 t	Møre Og Romsdal Fylkeskommune
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

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