Tepstad

Site 13644 · Osterøy municipality · Production area 4, Nordhordland til Stadt

Below the lice limit, week 39Operated by Sjøtroll Havbruk Sjø AS

0.00Adult 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 17 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

7Wellboat visits in 2026by 1 vessel · latest 26 Jun 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

1Escapes reported2 rainbow trout, January 2021Since 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	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	0.00	0.5	Below the limit
24	0.00	0.5	Below the limit
25	0.00	0.5	Below the limit
26	0.01	0.5	Below the limit
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	0.00	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	0.00	0.5	Below the limit
37	0.01	0.5	Below the limit
38	0.01	0.5	Below the limit
39	0.00	0.5	Below the limit

Earlier years

20250 of 34 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	0.37	0.5	Below the limit
3	0.18	0.5	Below the limit
4	0.46	0.5	Near the limit
5	0.14	0.5	Below the limit
6	0.14	0.5	Below the limit
7	0.13	0.5	Below the limit
8	0.20	0.5	Below the limit
9	0.22	0.5	Below the limit
10	0.27	0.5	Below the limit
11	0.38	0.5	Below the limit
12	0.28	0.5	Below the limit
13	0.18	0.5	Below the limit
14	0.10	0.5	Below the limit
15	0.13	0.5	Below the limit
16	0.15	0.2	Below the limit
17	0.01	0.2	Below the limit
18	0.05	0.2	Below the limit
19	0.07	0.2	Below the limit
20	0.07	0.2	Below the limit
21	0.05	0.2	Below the limit
22	0.08	0.5	Below the limit
23	0.07	0.5	Below the limit
24	0.08	0.5	Below the limit
25	0.08	0.5	Below the limit
26	0.06	0.5	Below the limit
27	0.06	0.5	Below the limit
28	0.07	0.5	Below the limit
29	0.05	0.5	Below the limit
30	0.07	0.5	Below the limit
31	0.10	0.5	Below the limit
32	0.10	0.5	Below the limit
33	0.09	0.5	Below the limit
34	0.13	0.5	Below the limit
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

20240 of 39 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	Reported without a count
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	0.00	0.2	Below the limit
22	0.00	0.5	Below the limit
23	0.00	0.5	Below the limit
24	0.00	0.5	Below the limit
25	0.00	0.5	Below the limit
26	0.00	0.5	Below the limit
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	0.01	0.5	Below the limit
33	0.01	0.5	Below the limit
34	0.05	0.5	Below the limit
35	0.07	0.5	Below the limit
36	0.09	0.5	Below the limit
37	0.14	0.5	Below the limit
38	0.33	0.5	Below the limit
39	0.13	0.5	Below the limit
40	0.10	0.5	Below the limit
41	0.19	0.5	Below the limit
42	0.14	0.5	Below the limit
43	0.18	0.5	Below the limit
44	0.15	0.5	Below the limit
45	0.30	0.5	Below the limit
46	0.25	0.5	Below the limit
47	0.44	0.5	Near the limit
48	0.48	0.5	Near the limit
49	0.41	0.5	Near the limit
50	0.19	0.5	Below the limit
51	0.25	0.5	Below the limit
52	0.29	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

Week 21, 2025
Thermal delousing1 pen
Week 18, 2025
Thermal delousing6 pens
Week 17, 2025
Thermal delousing6 pens
Week 13, 2025
Thermal delousing4 pens

Show all 12

Week 12, 2025
Thermal delousing5 pens
Week 5, 2025
Other treatment, Thermal delousing9 pens · Kombi - Ferskvann og Termisk
Week 4, 2025
Thermal delousing2 pens
Week 3, 2025
Thermal delousing5 pens
Week 1, 2025
Thermal delousing1 pen
Week 52, 2024
Thermal delousing2 pens
Week 49, 2024
Thermal delousing, Other treatment9 pens · Kombi - Ferskvann og Termisk
Week 39, 2024
Thermal delousing3 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

30 Jan 2021
2 rainbow trout escapedCause: Under avlusningsoperasjonen skulle en ta opp kastenota etter at fisken var levert til brønnbåten. Noen fisker låg i en lomme i nota, og når en drog denne inn på arbeidsbåten datt 10-15 fisker ut av nota og i sjøen. · recaptured 1 · Directorate of Fisheries

Wellboat visits

7 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 Jun 2026	Mowi Star	Onarøy	3 h 14 min
18 Jun 2026	Mowi Star	Haugsnesvåg	4 h 7 min
18 Jun 2026	Mowi Star	Haugsnesvåg	1 h 32 min
17 Jun 2026	Mowi Star	Haugsnesvåg	3 h 13 min
17 Jun 2026	Mowi Star	Haugsnesvåg	4 h 34 min
02 Jun 2026	Mowi Star	Mjåneset	1 h 5 min
28 May 2026	Mowi Star	Sagen 2	1 h 31 min
29 Apr 2025	Seigrunn	Angelskår	16 h 6 min
28 Apr 2025	Seigrunn	Angelskår	16 h 51 min
27 Apr 2025	Seigrunn	Angelskår	18 h 20 min
26 Apr 2025	Seigrunn	Angelskår	20 h 16 min
22 Apr 2025	Seihav	Skorpo	1 h 38 min

Show 25 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
29 Mar 2025	Seigrunn	Angelskår	6 h 33 min
28 Mar 2025	Seigrunn	Angelskår	5 h 44 min
28 Mar 2025	Seigrunn	Angelskår	9 h 11 min
27 Mar 2025	Seigrunn	Angelskår	6 h 0 min
27 Mar 2025	Seigrunn	Angelskår	3 h 48 min
23 Mar 2025	Seigrunn	Angelskår	2 h 29 min
22 Mar 2025	Seigrunn	Angelskår	5 h 9 min
22 Mar 2025	Seigrunn	Angelskår	5 h 12 min
21 Mar 2025	Seigrunn	Angelskår	7 h 20 min
20 Mar 2025	Seigrunn	Angelskår	17 h 23 min
18 Mar 2025	Seigrunn	Midtflua	5 h 27 min
30 Jan 2025	Seigrunn	Skaftå	13 h 40 min
29 Jan 2025	Seigrunn	Skaftå	9 h 12 min
05 Dec 2024	Seihav	Midtflua	27 h 58 min
04 Dec 2024	Seihav	Midtflua	11 h 45 min
25 Sep 2024	Seihav	Kvernavika disease or zone there	20 h 13 min
15 Jul 2024	Mowi Star	Kjeppevikholmen	1 h 1 min
08 Jul 2024	Mowi Star	Kjeppevikholmen	37 min
02 Jul 2024	Mowi Star	Angelskår	53 min
27 Jun 2024	Mowi Star	Bukkeholmen	44 min
05 Jun 2024	Mowi Star	Djupestallen	1 h 1 min
06 May 2024	Mowi Star	Krigsholmen	1 h 7 min
29 Apr 2024	Mowi Star	Mjåneset	1 h 7 min
26 Mar 2024	Mowi Star	Guleskjeret	1 h 32 min
25 Mar 2024	Mowi Star	Guleskjeret	3 h 40 min

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

Licences

Site MAB: 5,460 tonnes

Licence	Type	Capacity	Holder
H A 0014	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Lerøy Midt Sjø AS
H OR 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Sjøtroll Havbruk Sjø AS
H OR 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Sjøtroll Havbruk Sjø AS
H OR 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Sjøtroll Havbruk Sjø AS
H OR 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	648 t	Sjøtroll Havbruk Sjø AS

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