Altaneset

Site 13227 · Bjørnafjorden municipality · Production area 3, Karmøy til Sotra

Status unknown: not reported in week 39Operated by Bolaks Sjø AS · group Bolaks

unknownAdult female lice per fishNo count in week 39. Latest: 0.19 in week 16, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 16 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

3Lice treatments in 2026Latest: Medicinal bath, week 12, 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

13Wellboat visits in 2026by 2 different vessels · latest 26 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	0.49	0.5	Near the limit
2	0.46	0.5	Near the limit
3	0.06	0.5	Below the limit
4	0.01	0.5	Below the limit
5	0.04	0.5	Below the limit
6	0.02	0.5	Below the limit
7	0.00	0.5	Below the limit
8	0.06	0.5	Below the limit
9	0.06	0.5	Below the limit
10	0.12	0.5	Below the limit
11	0.06	0.5	Below the limit
12	0.07	0.5	Below the limit
13	0.08	0.5	Below the limit
14	0.13	0.5	Below the limit
15	0.15	0.5	Below the limit
16	0.19	0.2	Near the limit
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

Earlier years

20252 of 41 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	0.00	0.5	Below the limit
13	0.00	0.5	Below the limit
14	0.00	0.5	Below the limit
15	0.00	0.5	Below the limit
16	0.00	0.2	Below the limit
17	0.00	0.2	Below the limit
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	0.03	0.2	Below the limit
22	0.00	0.5	Below the limit
23	0.01	0.5	Below the limit
24	0.00	0.5	Below the limit
25	0.01	0.5	Below the limit
26	0.07	0.5	Below the limit
27	0.07	0.5	Below the limit
28	0.06	0.5	Below the limit
29	0.05	0.5	Below the limit
30	0.14	0.5	Below the limit
31	0.06	0.5	Below the limit
32	0.30	0.5	Below the limit
33	1.32	0.5	Above the limit
34	1.48	0.5	Above the limit
35	0.11	0.5	Below the limit
36	0.38	0.5	Below the limit
37	0.45	0.5	Near the limit
38	0.33	0.5	Below the limit
39	0.09	0.5	Below the limit
40	0.08	0.5	Below the limit
41	0.16	0.5	Below the limit
42	0.41	0.5	Near the limit
43	0.35	0.5	Below the limit
44	0.40	0.5	Near the limit
45	0.29	0.5	Below the limit
46	0.08	0.5	Below the limit
47	0.19	0.5	Below the limit
48	0.24	0.5	Below the limit
49	0.20	0.5	Below the limit
50	0.11	0.5	Below the limit
51	0.12	0.5	Below the limit
52	0.13	0.5	Below the limit

20240 of 21 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	0.05	0.5	Below the limit
2	0.00	0.5	Below the limit
3	0.00	0.5	Below the limit
4	0.04	0.5	Below the limit
5	0.06	0.5	Below the limit
6	0.06	0.5	Below the limit
7	0.00	0.5	Below the limit
8	0.06	0.5	Below the limit
9	0.11	0.5	Below the limit
10	0.14	0.5	Below the limit
11	0.10	0.5	Below the limit
12	0.25	0.5	Below the limit
13	0.07	0.5	Below the limit
14	0.03	0.5	Below the limit
15	0.07	0.5	Below the limit
16	0.00	0.2	Below the limit
17	0.00	0.2	Below the limit
18	0.02	0.2	Below the limit
19	0.10	0.2	Below the limit
20	0.00	0.2	Below the limit
21	0.00	0.2	Below the limit
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	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

20230 of 14 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
24	0.02	0.5	Below the limit
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	0.16	0.5	Below the limit
41	0.16	0.5	Below the limit
42	0.14	0.5	Below the limit
43	0.14	0.5	Below the limit
44	0.23	0.5	Below the limit
45	0.15	0.5	Below the limit
46	0.44	0.5	Near the limit
47	0.00	0.5	Below the limit
48	0.01	0.5	Below the limit
49	0.02	0.5	Below the limit
50	0.04	0.5	Below the limit
51	0.09	0.5	Below the limit
52	0.14	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 12, 2026
Medicinal bathAzamethiphos
Week 11, 2026
Medicinal bathAzamethiphos
Week 3, 2026
Thermal delousing, Freshwater treatmentWhole site
Week 49, 2025
Thermal delousing, Freshwater treatmentWhole site

Show all 19

Week 46, 2025
Mechanical delousing3 pens
Week 45, 2025
Mechanical delousing2 pens
Week 43, 2025
Thermal delousingWhole site
Week 39, 2025
Freshwater treatment, Thermal delousingWhole site
Week 37, 2025
Thermal delousingWhole site
Week 35, 2025
Thermal delousingWhole site
Week 27, 2025
Thermal delousing, Freshwater treatmentWhole site
Week 21, 2025
Medicinal feedWhole site · Diflubenzuron
Week 20, 2025
Medicinal feedWhole site · Diflubenzuron
Week 14, 2024
Freshwater treatment, Thermal delousing2 pens
Week 13, 2024
Freshwater treatment, Thermal delousing4 pens
Week 1, 2024
Freshwater treatment, Thermal delousingWhole site
Week 47, 2023
Freshwater treatment, Thermal delousingWhole site
Week 45, 2023
Thermal delousingWhole site
Week 40, 2023
Freshwater treatment, Mechanical delousingWhole site

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

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
26 Apr 2026	Namsos	Øklandsvågen	2 h 22 min
22 Apr 2026	Namsos	Sunde	3 h 59 min
22 Apr 2026	Namsos	Ihlholmen	2 h 31 min
24 Mar 2026	Ronja Vest	Holevik	2 h 17 min
16 Mar 2026	Ronja Vest	Sunde	2 h 34 min
16 Mar 2026	Ronja Vest	Sunde	3 h 21 min
16 Mar 2026	Ronja Vest	Sunde	1 h 58 min
14 Mar 2026	Ronja Vest	Sunde	4 h 59 min
14 Mar 2026	Ronja Vest	Sunde	1 h 11 min
10 Mar 2026	Ronja Vest	Vikane 1	6 h 2 min
17 Jan 2026	Ronja Vest	Oterstegdalen	11 h 5 min
16 Jan 2026	Ronja Vest	Oterstegdalen	6 h 57 min

Show 24 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
15 Jan 2026	Ronja Vest	Oterstegdalen	10 h 51 min
04 Dec 2025	Ronja Vest	Svollandsneset	17 h 35 min
03 Dec 2025	Ronja Vest	Svollandsneset	16 h 10 min
10 Nov 2025	Ronja Queen	Mjåneset	15 h 26 min
26 Oct 2025	Ronja Vest	Skavhella	8 h 51 min
24 Oct 2025	Ronja Vest	Skavhella	25 h 54 min
26 Sep 2025	Ronja Vest	Øklandsvågen	7 h 59 min
25 Sep 2025	Ronja Vest	Øklandsvågen	11 h 3 min
13 Sep 2025	Ronja Vest	Tittelsnes	19 h 33 min
26 Aug 2025	Ronja Vest	Øklandsvågen	51 min
25 Aug 2025	Ronja Vest	Øklandsvågen	16 h 44 min
06 Jul 2025	Ro Venture	Skipperdalsneset	16 h 25 min
05 Jul 2025	Ro Venture	Skipperdalsneset	9 h 5 min
01 Apr 2024	Ronja Vest	Gjerdeviksflua	35 min
31 Mar 2024	Ronja Vest	Gjerdeviksflua	12 h 20 min
30 Mar 2024	Ronja Vest	Gjerdeviksflua	16 h 9 min
29 Mar 2024	Ronja Vest	Gjerdeviksflua	9 h 20 min
28 Mar 2024	Ronja Vest	Gjerdeviksflua	7 h 6 min
16 Mar 2024	Norwegian Gannet	Store Teistholmen Ø	7 h 16 min
06 Jan 2024	Ronja Vest	no other farm	38 min
06 Jan 2024	Ronja Vest	no other farm	5 h 57 min
05 Jan 2024	Ronja Vest	no other farm	10 h 23 min
04 Jan 2024	Ronja Vest	no other farm	17 h 12 min
03 Jan 2024	Ronja Vest	no other farm	16 h 8 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
AS Bolaks	Week 24, 2023	Week 49, 2023
Bolaks Sjø AS	Week 50, 2023	Week 16, 2026

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

Licences

Site MAB: 2,340 tonnes

Licence	Type	Capacity	Holder
H FS 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Bolaks Sjø AS
H FS 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Bolaks Sjø AS
H FS 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	750 t	Bolaks Sjø AS
H FS 0010	Kommersiell / matfiskSalmon, Rainbow trout, Trout	749 t	Bolaks Sjø AS
H FS 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	703 t	Bolaks Sjø AS
H FS 0017	Kommersiell / matfiskSalmon, Rainbow trout, Trout	749 t	Bolaks Sjø AS
H FS 0037	Kommersiell / matfiskSalmon, Rainbow trout, Trout	750 t	Bolaks Sjø AS
H O 0012	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Bolaks Sjø AS
H O 0013	Kommersiell / matfiskSalmon, Rainbow trout, Trout	689 t	Bolaks Sjø AS
H R 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	703 t	Bolaks Sjø AS

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