Dysvik

Site 12033 · Kvam municipality · Production area 3, Karmøy til Sotra

Below the lice limit, week 39Operated by Tombre Fiskeanlegg AS · group unknown

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

8Lice treatments in 2026Latest: Thermal delousing, week 33, 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

21Wellboat visits in 2026by 4 different vessels · latest 06 Sep 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

2Escapes reported1-10 salmon, January 2024Since 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	0.17	0.5	Below the limit
2	0.13	0.5	Below the limit
3	0.25	0.5	Below the limit
4	0.36	0.5	Below the limit
5	0.12	0.5	Below the limit
6	0.09	0.5	Below the limit
7	0.26	0.5	Below the limit
8	0.20	0.5	Below the limit
9	0.30	0.5	Below the limit
10	0.41	0.5	Near the limit
11	0.06	0.5	Below the limit
12	0.02	0.5	Below the limit
13	0.02	0.5	Below the limit
14	0.09	0.5	Below the limit
15	0.06	0.5	Below the limit
16	0.06	0.2	Below the limit
17	0.06	0.2	Below the limit
18	0.06	0.2	Below the limit
19	0.08	0.2	Below the limit
20	0.13	0.2	Below the limit
21	0.03	0.2	Below the limit
22	0.02	0.5	Below the limit
23	0.01	0.5	Below the limit
24	0.03	0.5	Below the limit
25	0.06	0.5	Below the limit
26	0.16	0.5	Below the limit
27	0.00	0.5	Below the limit
28	0.02	0.5	Below the limit
29	0.08	0.5	Below the limit
30	0.07	0.5	Below the limit
31	0.12	0.5	Below the limit
32	0.17	0.5	Below the limit
33	0.00	0.5	Below the limit
34	0.00	0.5	Below the limit
35	0.00	0.5	Below the limit
36	0.08	0.5	Below the limit
37	0.06	0.5	Below the limit
38	0.06	0.5	Below the limit
39	0.09	0.5	Below the limit

Earlier years

20250 of 16 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	0.26	0.5	Below the limit
2	0.29	0.5	Below the limit
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	unknown	0.5	Not reported
36	unknown	0.5	Not reported
37	unknown	0.5	Not reported
38	unknown	0.5	Not reported
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	0.00	0.5	Below the limit
44	0.00	0.5	Below the limit
45	0.14	0.5	Below the limit
46	0.17	0.5	Below the limit
47	0.19	0.5	Below the limit
48	0.23	0.5	Below the limit
49	0.14	0.5	Below the limit
50	0.19	0.5	Below the limit
51	0.11	0.5	Below the limit
52	0.15	0.5	Below the limit

20240 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, 2024
Week	Adult female lice per fish	Lice limit	Status
1	0.29	0.5	Below the limit
2	0.46	0.5	Near the limit
3	0.11	0.5	Below the limit
4	0.02	0.5	Below the limit
5	0.07	0.5	Below the limit
6	0.12	0.5	Below the limit
7	0.13	0.5	Below the limit
8	0.14	0.5	Below the limit
9	0.07	0.5	Below the limit
10	0.11	0.5	Below the limit
11	0.10	0.5	Below the limit
12	0.11	0.5	Below the limit
13	0.09	0.5	Below the limit
14	0.04	0.5	Below the limit
15	0.07	0.5	Below the limit
16	0.09	0.2	Below the limit
17	0.01	0.2	Below the limit
18	0.00	0.2	Below the limit
19	0.02	0.2	Below the limit
20	0.02	0.2	Below the limit
21	0.01	0.2	Below the limit
22	0.08	0.5	Below the limit
23	0.10	0.5	Below the limit
24	0.02	0.5	Below the limit
25	0.02	0.5	Below the limit
26	0.04	0.5	Below the limit
27	0.07	0.5	Below the limit
28	0.37	0.5	Below the limit
29	0.06	0.5	Below the limit
30	0.05	0.5	Below the limit
31	0.03	0.5	Below the limit
32	0.05	0.5	Below the limit
33	0.09	0.5	Below the limit
34	0.04	0.5	Below the limit
35	0.01	0.5	Below the limit
36	0.04	0.5	Below the limit
37	0.02	0.5	Below the limit
38	0.02	0.5	Below the limit
39	0.03	0.5	Below the limit
40	0.06	0.5	Below the limit
41	0.06	0.5	Below the limit
42	0.04	0.5	Below the limit
43	0.06	0.5	Below the limit
44	0.07	0.5	Below the limit
45	0.18	0.5	Below the limit
46	0.18	0.5	Below the limit
47	0.43	0.5	Near the limit
48	0.07	0.5	Below the limit
49	0.00	0.5	Below the limit
50	0.05	0.5	Below the limit
51	0.12	0.5	Below the limit
52	0.14	0.5	Below the limit

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

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Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
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	0.00	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	0.04	0.5	Below the limit
49	0.01	0.5	Below the limit
50	0.01	0.5	Below the limit
51	0.21	0.5	Below the limit
52	0.29	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 33, 2026
Thermal delousing2 pens
Week 32, 2026
Thermal delousing4 pens
Week 27, 2026
Thermal delousingWhole site
Week 21, 2026
Thermal delousingWhole site

Show all 13

Week 11, 2026
Thermal delousing, Freshwater treatmentWhole site
Week 5, 2026
Medicinal bath6 pens · Azamethiphos
Week 50, 2025
Thermal delousing2 pens
Week 48, 2024
Mechanical delousing, Freshwater treatment4 pens
Week 34, 2024
Thermal delousingWhole site
Week 29, 2024
Thermal delousingWhole site
Week 24, 2024
Thermal delousingWhole site
Week 17, 2024
Thermal delousingWhole site
Week 3, 2024
Freshwater treatment, Thermal delousing10 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

03 Jan 2024
1-10 salmon escapedCause: Svært dårleg vèr (mykje austavind) og stor sjø i Hardanger. UVèr har gjort at nokre innfestingstau og topptau har slitna. Dette førte til at hoppenett kom ned i vannoverflate. · recaptured 1 · Directorate of Fisheries
19 Oct 2019
Escape of salmon, number unknownCause: Liftup gjennom not · Directorate of Fisheries

Wellboat visits

21 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 Sep 2026	Rohav	Langevågen	1 h 53 min
13 Mar 2026	Ro Venture	Sagvik	5 h 5 min
13 Mar 2026	Navoey	Drøno	6 h 31 min
12 Mar 2026	Ro Venture	Sagvik	18 h 10 min
11 Mar 2026	Ro Venture	Sagvik	15 h 8 min
11 Mar 2026	Navoey	Drøno	31 h 28 min
10 Mar 2026	Navoey	Drøno	18 h 38 min
09 Mar 2026	Navoey	Drøno	3 h 28 min
09 Mar 2026	Navoey	Drøno	14 h 5 min
08 Mar 2026	Navoey	Drøno	21 h 19 min
07 Mar 2026	Navoey	Drøno	10 h 35 min
29 Jan 2026	Namsos	Langevågen	1 h 22 min

Show 20 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
29 Jan 2026	Namsos	Langevågen	3 h 29 min
29 Jan 2026	Namsos	Langevågen	2 h 41 min
29 Jan 2026	Navoey	Teigland I	14 h 56 min
28 Jan 2026	Namsos	Langevågen	3 h 5 min
28 Jan 2026	Namsos	Langevågen	2 h 47 min
28 Jan 2026	Namsos	Langevågen	3 h 33 min
27 Jan 2026	Namsos	Langevågen	2 h 37 min
27 Jan 2026	Namsos	Langevågen	2 h 9 min
27 Jan 2026	Navoey	Teigland I	40 h 30 min
01 Dec 2025	Seifjell	Hillersvik	1 h 21 min
29 Nov 2025	Mowi Star	Teigland I	1 h 39 min
20 Oct 2025	Seifjell	Hundvika Aust	1 h 58 min
28 Sep 2025	Seifjell	Marøytåa	1 h 15 min
20 Jan 2025	Namsos	no other farm	4 h 53 min
30 Nov 2024	Namsos	Porsvika	10 h 45 min
02 Nov 2024	Namsos	Sagen 2	2 h 4 min
19 Oct 2024	Rostein	Sagvik	1 h 29 min
20 Aug 2024	Navoey	Haugsnesvåg	50 h 21 min
16 Jan 2024	Horda Pioneer	Brattavika	18 h 5 min
15 Jan 2024	Horda Pioneer	Brattavika	6 h 1 min

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

Licences

Site MAB: 2,340 tonnes

Licence	Type	Capacity	Holder
H B 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	802 t	Tombre Fiskeanlegg AS
H KM 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	904 t	Tombre Fiskeanlegg AS
H SO 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	898 t	Quatro Laks AS
R K 0004	Kommersiell / matfiskSalmon, Rainbow trout, Trout	802 t	Tombre Fiskeanlegg AS

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