Ytre Lavollsfjord

Site 24175 · Senja municipality · Production area 10, Andøya til Senja

Status unknown: not reported in week 39Operated by Salmar Oppdrett AS · group SalMar

unknownAdult female lice per fishNo count in week 39. Latest: 0.05 in week 22, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 21 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

13Wellboat visits in 2026by 4 different vessels · latest 06 Jun 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported1 salmon, August 2017Since 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	0.09	0.5	Below the limit
2	0.22	0.5	Below the limit
3	0.17	0.5	Below the limit
4	0.22	0.5	Below the limit
5	0.22	0.5	Below the limit
6	0.28	0.5	Below the limit
7	0.21	0.5	Below the limit
8	0.41	0.5	Near the limit
9	0.40	0.5	Near the limit
10	0.49	0.5	Near the limit
11	unknown	0.5	Not reported
12	0.38	0.5	Below the limit
13	0.26	0.5	Below the limit
14	0.42	0.5	Near the limit
15	0.24	0.5	Below the limit
16	0.20	0.5	Below the limit
17	0.18	0.5	Below the limit
18	0.16	0.5	Below the limit
19	0.16	0.5	Below the limit
20	0.12	0.5	Below the limit
21	0.07	0.2	Below the limit
22	0.05	0.2	Below the limit
23	unknown	0.2	Reported without a count
24	unknown	0.2	Not reported
25	unknown	0.2	Not reported
26	unknown	0.2	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

Earlier years

20251 of 51 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	0.00	0.5	Below the limit
3	0.04	0.5	Below the limit
4	0.02	0.5	Below the limit
5	0.05	0.5	Below the limit
6	0.02	0.5	Below the limit
7	0.11	0.5	Below the limit
8	0.07	0.5	Below the limit
9	0.16	0.5	Below the limit
10	0.08	0.5	Below the limit
11	0.09	0.5	Below the limit
12	0.05	0.5	Below the limit
13	0.09	0.5	Below the limit
14	0.06	0.5	Below the limit
15	0.11	0.5	Below the limit
16	0.09	0.5	Below the limit
17	0.09	0.5	Below the limit
18	0.05	0.5	Below the limit
19	0.02	0.5	Below the limit
20	0.06	0.5	Below the limit
21	0.00	0.2	Below the limit
22	0.02	0.2	Below the limit
23	0.03	0.2	Below the limit
24	0.02	0.2	Below the limit
25	0.02	0.2	Below the limit
26	0.01	0.2	Below the limit
27	0.05	0.5	Below the limit
28	0.10	0.5	Below the limit
29	0.03	0.5	Below the limit
30	0.04	0.5	Below the limit
31	0.08	0.5	Below the limit
32	0.15	0.5	Below the limit
33	0.18	0.5	Below the limit
34	0.27	0.5	Below the limit
35	0.00	0.5	Below the limit
36	0.06	0.5	Below the limit
37	0.24	0.5	Below the limit
38	1.24	0.5	Above the limit
39	0.09	0.5	Below the limit
40	0.07	0.5	Below the limit
41	0.19	0.5	Below the limit
42	0.19	0.5	Below the limit
43	0.10	0.5	Below the limit
44	0.29	0.5	Below the limit
45	0.32	0.5	Below the limit
46	0.23	0.5	Below the limit
47	0.36	0.5	Below the limit
48	0.33	0.5	Below the limit
49	0.28	0.5	Below the limit
50	0.32	0.5	Below the limit
51	0.31	0.5	Below the limit
52	0.08	0.5	Below the limit

20240 of 11 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	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	unknown	0.2	Not reported
23	unknown	0.2	Not reported
24	unknown	0.2	Not reported
25	unknown	0.2	Not reported
26	unknown	0.2	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	0.00	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.00	0.5	Below the limit
46	0.00	0.5	Below the limit
47	0.00	0.5	Below the limit
48	0.00	0.5	Below the limit
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 52, 2025
Mechanical delousing4 pens
Week 51, 2025
Mechanical delousing3 pens
Week 50, 2025
Mechanical delousing3 pens
Week 47, 2025
Mechanical delousing2 pens

Show all 8

Week 46, 2025
Mechanical delousing8 pens
Week 43, 2025
Mechanical delousing10 pens
Week 40, 2025
Mechanical delousing4 pens
Week 39, 2025
Mechanical delousing6 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

02 Aug 2017
1 salmon escapedCause: Håndtering · recaptured 1 · Directorate of Fisheries

Wellboat visits

13 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 Jun 2026	Rohav	Klubben	1 h 8 min
05 Jun 2026	Rohav	Jekteberget	1 h 18 min
02 Jun 2026	Ro Senja	Klubben	3 h 5 min
01 Jun 2026	Ro Senja	Larstangen	1 h 28 min
01 Jun 2026	Ro Senja	Larstangen	2 h 53 min
31 May 2026	Ro Senja	Larstangen	2 h 6 min
31 May 2026	Ro Senja	Larstangen	2 h 43 min
16 May 2026	Ro Fjell	Klubben	38 min
16 May 2026	Ro Fjell	Klubben	4 h 28 min
11 Apr 2026	Ro Senja	Klubben	1 h 38 min
15 Mar 2026	Ro Senja	Klubben	10 h 49 min
09 Mar 2026	Ronja Aurora	Kråkeberget	5 h 20 min

Show 14 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
14 Feb 2026	Ro Senja	Klubben	1 h 44 min
22 Dec 2025	Ro Fortune	Labukta V	9 h 40 min
22 Dec 2025	Ro Fortune	Labukta V	9 h 9 min
21 Dec 2025	Ro Fortune	Labukta V	14 h 23 min
12 Dec 2025	Ro Senja	Brensholmen	15 h 40 min
23 Oct 2025	Ro Arctic	Klubben	53 h 8 min
29 Sep 2025	Ro Senja	Klubben	6 h 12 min
29 Sep 2025	Ro Senja	Klubben	7 h 12 min
27 Sep 2025	Ro Senja	Klubben	25 h 45 min
28 Aug 2025	Ro Arctic	Svindalen I	8 h 17 min
27 Aug 2025	Ro Arctic	Svindalen I	9 h 53 min
30 Mar 2025	Tonny	Oterneset	38 min
15 Nov 2024	Ronja Vita	Kjølvika I	5 h 26 min
12 Nov 2024	Ronja Vita	Kjølvika I	9 h 50 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
Wilsgård Farming AS	Week 1, 2024	Week 44, 2025
Salmar Oppdrett AS	Week 45, 2025	Week 23, 2026

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

Licences

Site MAB: 3,600 tonnes

Licence	Type	Capacity	Holder
T TK 0004	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	974 t	Salmar Oppdrett AS
T TK 0005	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	974 t	Salmar Oppdrett AS
T TK 0020	Kommersiell / matfisk-grønn konvertertSalmon, Rainbow trout, Trout	974 t	Salmar Oppdrett AS

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