Urda

Site 32437 · Surnadal municipality · Production area 6, Nordmøre og Sør-Trøndelag

Above the lice limit, week 39Operated by Lerøy Midt AS · group Lerøy Seafood Group

Broodstock site: the limit may differ from the general one.

0.61Adult female lice per fishLimit 0.50 · above the limitWeek 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

2Weeks above the limit in 2026of 18 weeks with a count · broodstock: limit may differCalculated 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

10Wellboat visits in 2026by 3 different vessels · latest 04 Sep 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. Broodstock site: the limit may differ from the general one.

2026

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026Broodstock site: the limit may differ from the general one.

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Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.07	0.5	Below the limit
2	0.06	0.5	Below the limit
3	0.05	0.5	Below the limit
4	0.07	0.5	Below the limit
5	0.08	0.5	Below the limit
6	0.06	0.5	Below the limit
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	0.10	0.2	Below the limit
18	0.03	0.2	Below the limit
19	0.06	0.2	Below the limit
20	0.13	0.2	Below the limit
21	0.07	0.2	Below the limit
22	0.03	0.5	Below the limit
23	0.07	0.5	Below the limit
24	0.13	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	0.90	0.5	Above the limit
37	0.30	0.5	Below the limit
38	0.44	0.5	Near the limit
39	0.61	0.5	Above the limit

Earlier years

202527 of 43 weeks with a count above the limit

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Adult female lice per fish per week, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.15	0.5	Below the limit
2	0.35	0.5	Below the limit
3	0.35	0.5	Below the limit
4	0.60	0.5	Above the limit
5	0.65	0.5	Above the limit
6	0.90	0.5	Above the limit
7	0.65	0.5	Above the limit
8	0.60	0.5	Above the limit
9	0.93	0.5	Above the limit
10	0.93	0.5	Above the limit
11	1.07	0.5	Above the limit
12	0.10	0.5	Below the limit
13	0.20	0.5	Below the limit
14	0.33	0.5	Below the limit
15	0.40	0.5	Near the limit
16	0.33	0.2	Above the limit
17	0.53	0.2	Above the limit
18	0.00	0.2	Below the limit
19	0.13	0.2	Below the limit
20	0.20	0.2	Above the limit
21	0.20	0.2	Above 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	0.70	0.5	Above the limit
32	0.05	0.5	Below the limit
33	0.43	0.5	Near the limit
34	0.54	0.5	Above the limit
35	0.53	0.5	Above the limit
36	0.61	0.5	Above the limit
37	0.86	0.5	Above the limit
38	1.14	0.5	Above the limit
39	1.80	0.5	Above the limit
40	0.60	0.5	Above the limit
41	0.45	0.5	Near the limit
42	0.65	0.5	Above the limit
43	0.78	0.5	Above the limit
44	1.50	0.5	Above the limit
45	1.57	0.5	Above the limit
46	0.67	0.5	Above the limit
47	0.57	0.5	Above the limit
48	0.73	0.5	Above the limit
49	0.15	0.5	Below the limit
50	0.07	0.5	Below the limit
51	0.08	0.5	Below the limit
52	0.07	0.5	Below the limit

20246 of 19 weeks with a count above the limit

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Adult female lice per fish per week, 2024
Week	Adult female lice per fish	Lice limit	Status
1	1.13	0.5	Above the limit
2	0.50	0.5	Above the limit
3	1.23	0.5	Above the limit
4	0.60	0.5	Above the limit
5	1.20	0.5	Above the limit
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	0.13	0.5	Below the limit
40	0.10	0.5	Below the limit
41	0.00	0.5	Below the limit
42	0.05	0.5	Below the limit
43	0.03	0.5	Below the limit
44	0.15	0.5	Below the limit
45	0.24	0.5	Below the limit
46	0.43	0.5	Near the limit
47	0.45	0.5	Near the limit
48	0.23	0.5	Below the limit
49	0.25	0.5	Below the limit
50	0.40	0.5	Near the limit
51	0.40	0.5	Near the limit
52	0.83	0.5	Above the limit

20237 of 12 weeks with a count above the limit (data from week 40)

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Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
40	unknown	0.5	Not reported
41	0.00	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.10	0.5	Below the limit
44	0.30	0.5	Below the limit
45	0.48	0.5	Near the limit
46	0.78	0.5	Above the limit
47	0.60	0.5	Above the limit
48	1.10	0.5	Above the limit
49	0.70	0.5	Above the limit
50	1.73	0.5	Above the limit
51	1.60	0.5	Above the limit
52	0.87	0.5	Above the limit

Treatments

Norwegian Food Safety Authority

Week 40, 2025
Freshwater treatment3 pens
Week 34, 2025
Freshwater treatmentWhole site
Week 18, 2025
Freshwater treatmentWhole site
Week 12, 2025
Freshwater treatmentWhole site

Show all 9

Week 1, 2025
Freshwater treatment4 pens
Week 48, 2024
Mechanical delousing4 pens
Week 41, 2024
Freshwater treatment2 pens
Week 40, 2024
Freshwater treatment2 pens
Week 52, 2023
Freshwater treatment2 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

No escapes reported from this site since 2006.

Wellboat visits

10 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
04 Sep 2026	Njord Kya	Slåttholmen	2 h 31 min
18 Jun 2026	Smola Vag	no other farm	1 h 8 min
18 Jun 2026	Smola Vag	no other farm	3 h 48 min
17 Jun 2026	Smola Vag	Alsvåg	5 h 36 min
16 Jun 2026	Smola Vag	Alsvåg	6 h 17 min
27 Apr 2026	Kristiansund	Naustneset	1 h 0 min
26 Apr 2026	Kristiansund	Naustneset	57 min
23 Feb 2026	Smola Vag	Hendneset	3 h 28 min
22 Feb 2026	Smola Vag	Hendneset	10 h 18 min
24 Jan 2026	Kristiansund	Naustneset	1 h 49 min
04 Oct 2025	Kristiansund	Slåttholmen	18 h 4 min
24 Aug 2025	Kristiansund	Sjølsvik	18 h 58 min

Show 15 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
03 Aug 2025	Kristiansund	Skåren	11 h 57 min
24 May 2025	Kristiansund	Hagahammaren	3 h 53 min
11 May 2025	Smola Vag	no other farm	2 h 41 min
03 May 2025	Kristiansund	Hofsøya	10 h 12 min
02 May 2025	Kristiansund	Hofsøya	6 h 20 min
17 Mar 2025	Kristiansund	Hagahammaren	22 h 12 min
19 Feb 2025	Mowi Star	Hesteneset	3 h 35 min
17 Feb 2025	Mowi Star	Hesteneset	17 h 20 min
16 Feb 2025	Mowi Star	Hesteneset	21 h 36 min
04 Jan 2025	Froey Viking	Langskjæra	14 h 15 min
03 Jan 2025	Froey Viking	Langskjæra	14 h 30 min
07 Oct 2024	Froey Viking	Endreset	13 h 5 min
25 Sep 2024	Namsos	Honnhammarvika	3 h 5 min
16 Feb 2024	Tonny	Storskogøya	7 h 37 min
10 Feb 2024	Kristiansund	Naustneset	3 h 8 min

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

Licences

Site MAB: 780 tonnes

Licence	Type	Capacity	Holder
M HS 0009	Kommersiell / stamfiskSalmon	780 t	Lerøy Midt AS
ST F 0071	Kommersiell / stamfiskSalmon	780 t	Lerøy Midt AS

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