Ramsvik

Site 11687 · Alver municipality · Production area 4, Nordhordland til Stadt

Below the lice limit, week 39Operated by Lerøy Vest Sjø AS · group Lerøy Seafood Group

0.19Adult 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 39 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

10Lice treatments in 2026Latest: Thermal delousing, week 37, 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

14Wellboat visits in 2026by 2 different vessels · latest 29 Aug 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported1,560 rainbow trout, May 2022Since 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

Show as table

Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.15	0.5	Below the limit
2	0.15	0.5	Below the limit
3	0.23	0.5	Below the limit
4	0.10	0.5	Below the limit
5	0.22	0.5	Below the limit
6	0.33	0.5	Below the limit
7	0.36	0.5	Below the limit
8	0.11	0.5	Below the limit
9	0.18	0.5	Below the limit
10	0.30	0.5	Below the limit
11	0.27	0.5	Below the limit
12	0.08	0.5	Below the limit
13	0.04	0.5	Below the limit
14	0.07	0.5	Below the limit
15	0.06	0.5	Below the limit
16	0.05	0.2	Below the limit
17	0.08	0.2	Below the limit
18	0.06	0.2	Below the limit
19	0.09	0.2	Below the limit
20	0.12	0.2	Below the limit
21	0.11	0.2	Below the limit
22	0.30	0.5	Below the limit
23	0.07	0.5	Below the limit
24	0.07	0.5	Below the limit
25	0.11	0.5	Below the limit
26	0.07	0.5	Below the limit
27	0.11	0.5	Below the limit
28	0.17	0.5	Below the limit
29	0.13	0.5	Below the limit
30	0.35	0.5	Below the limit
31	0.10	0.5	Below the limit
32	0.14	0.5	Below the limit
33	0.19	0.5	Below the limit
34	0.24	0.5	Below the limit
35	0.41	0.5	Near the limit
36	0.10	0.5	Below the limit
37	0.13	0.5	Below the limit
38	0.16	0.5	Below the limit
39	0.19	0.5	Below the limit

Earlier years

20251 of 18 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

Show as table

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	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	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	0.09	0.5	Below the limit
41	0.35	0.5	Below the limit
42	0.33	0.5	Below the limit
43	0.39	0.5	Below the limit
44	0.28	0.5	Below the limit
45	0.14	0.5	Below the limit
46	0.26	0.5	Below the limit
47	0.28	0.5	Below the limit
48	0.73	0.5	Above the limit
49	0.27	0.5	Below the limit
50	0.35	0.5	Below the limit
51	0.13	0.5	Below the limit
52	0.11	0.5	Below the limit

20241 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

Show as table

Adult female lice per fish per week, 2024
Week	Adult female lice per fish	Lice limit	Status
1	0.24	0.5	Below the limit
2	0.12	0.5	Below the limit
3	0.16	0.5	Below the limit
4	0.11	0.5	Below the limit
5	0.09	0.5	Below the limit
6	0.16	0.5	Below the limit
7	0.14	0.5	Below the limit
8	0.15	0.5	Below the limit
9	0.15	0.5	Below the limit
10	0.15	0.5	Below the limit
11	0.24	0.5	Below the limit
12	0.11	0.5	Below the limit
13	0.11	0.5	Below the limit
14	0.14	0.5	Below the limit
15	0.14	0.5	Below the limit
16	0.11	0.2	Below the limit
17	0.14	0.2	Below the limit
18	0.14	0.2	Below the limit
19	0.09	0.2	Below the limit
20	0.09	0.2	Below the limit
21	0.07	0.2	Below the limit
22	0.06	0.5	Below the limit
23	0.09	0.5	Below the limit
24	0.08	0.5	Below the limit
25	0.09	0.5	Below the limit
26	0.04	0.5	Below the limit
27	0.05	0.5	Below the limit
28	0.15	0.5	Below the limit
29	0.14	0.5	Below the limit
30	0.20	0.5	Below the limit
31	0.33	0.5	Below the limit
32	0.20	0.5	Below the limit
33	0.34	0.5	Below the limit
34	0.49	0.5	Near the limit
35	0.29	0.5	Below the limit
36	0.49	0.5	Near the limit
37	0.25	0.5	Below the limit
38	0.38	0.5	Below the limit
39	0.23	0.5	Below the limit
40	0.20	0.5	Below the limit
41	0.47	0.5	Near the limit
42	0.31	0.5	Below the limit
43	0.09	0.5	Below the limit
44	0.17	0.5	Below the limit
45	0.20	0.5	Below the limit
46	0.21	0.5	Below the limit
47	0.34	0.5	Below the limit
48	0.49	0.5	Near the limit
49	0.40	0.5	Near the limit
50	1.51	0.5	Above the limit
51	0.25	0.5	Below the limit
52	unknown	0.5	Not reported

20230 of 13 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

Show as table

Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
40	0.01	0.5	Below the limit
41	0.01	0.5	Below the limit
42	0.02	0.5	Below the limit
43	0.01	0.5	Below the limit
44	0.04	0.5	Below the limit
45	0.04	0.5	Below the limit
46	0.09	0.5	Below the limit
47	0.06	0.5	Below the limit
48	0.14	0.5	Below the limit
49	0.27	0.5	Below the limit
50	0.25	0.5	Below the limit
51	0.19	0.5	Below the limit
52	0.18	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 37, 2026
Thermal delousing1 pen
Week 36, 2026
Thermal delousing6 pens
Week 34, 2026
Thermal delousing1 pen
Week 31, 2026
Thermal delousing6 pens

Show all 27

Week 23, 2026
Thermal delousing4 pens
Week 22, 2026
Thermal delousing1 pen
Week 18, 2026
Thermal delousingWhole site
Week 12, 2026
Thermal delousing, Freshwater treatment6 pens
Week 8, 2026
Thermal delousing, Freshwater treatment4 pens
Week 4, 2026
Thermal delousing, Freshwater treatment2 pens
Week 51, 2025
Thermal delousing, Freshwater treatment4 pens
Week 46, 2025
Medicinal feedWhole site · Emamectin benzoat
Week 45, 2025
Medicinal bath3 pens · Azamethiphos
Week 48, 2024
Thermal delousing2 pens
Week 47, 2024
Thermal delousing1 pen
Week 43, 2024
Thermal delousing2 pens
Week 42, 2024
Thermal delousing3 pens
Week 39, 2024
Thermal delousing2 pens
Week 38, 2024
Thermal delousing2 pens
Week 37, 2024
Thermal delousing2 pens
Week 36, 2024
Thermal delousing2 pens
Week 35, 2024
Thermal delousing5 pens
Week 33, 2024
Thermal delousing1 pen
Week 32, 2024
Thermal delousing5 pens
Week 12, 2024
Thermal delousing2 pens
Week 2, 2024
Thermal delousing2 pens
Week 47, 2023
Medicinal feedWhole site · Emamectin benzoat

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

14 May 2022
1,560 rainbow trout escapedCause: Ukjent · recaptured 1 · Directorate of Fisheries

Wellboat visits

14 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
29 Aug 2026	Seigrunn	Matløyso	3 h 51 min
23 Aug 2026	Seigrunn	Bognøy	2 h 41 min
23 Aug 2026	Seigrunn	Bognøy	43 min
02 Aug 2026	Seigrunn	Bognøy	5 h 12 min
01 Aug 2026	Seigrunn	Bognøy	10 h 40 min
01 Aug 2026	Seigrunn	Bognøy	6 h 0 min
31 Jul 2026	Seigrunn	Bognøy	18 h 0 min
30 Jul 2026	Seigrunn	Bognøy	3 h 49 min
30 May 2026	Seihav	Raunevågen	9 h 20 min
29 Apr 2026	Seihav	Hestabyneset	27 h 58 min
28 Apr 2026	Seihav	Hestabyneset	4 h 55 min
16 Mar 2026	Seihav	Storskrebukti	17 h 52 min

Show 11 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
19 Feb 2026	Seihav	Storebø	17 h 14 min
21 Jan 2026	Seihav	Sagen 2	8 h 11 min
20 Dec 2025	Seihav	Sagen 2	11 h 30 min
07 Dec 2025	Seihav	Storevikholmen	3 h 34 min
07 Dec 2025	Seihav	Storevikholmen	5 h 33 min
06 Dec 2025	Seihav	Storevikholmen	6 h 59 min
06 Dec 2025	Seihav	Storevikholmen	3 h 29 min
03 Nov 2025	Seihav	Kyrholmen S disease or zone there	7 h 21 min
23 Sep 2025	Mowi Star	Silda	1 h 12 min
28 Aug 2025	Mowi Star	Bognøy	1 h 29 min
23 Nov 2024	Horda Pioneer	Vikane	5 h 41 min

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

Licences

Site MAB: 2,500 tonnes

Licence	Type	Capacity	Holder
H OR 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Lerøy Vest Sjø AS
H OR 0026	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Lerøy Vest Sjø AS
H R 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,080 t	Lerøy Vest Sjø AS
H R 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Lerøy Vest Sjø AS

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