Lyregrunnen

Site 45024 · Stavanger municipality · Production area 2, Ryfylke

Near the lice limit, week 39Operated by Seashore Sjø AS · group unknown

0.40Adult female lice per fishLimit 0.50 · near 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

4Lice treatments in 2026Latest: Mechanical delousing, week 39, 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

7Wellboat visits in 2026by 2 different vessels · latest 01 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.

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	0.00	0.5	Below the limit
27	0.00	0.5	Below the limit
28	0.02	0.5	Below the limit
29	0.27	0.5	Below the limit
30	0.32	0.5	Below the limit
31	0.25	0.5	Below the limit
32	0.45	0.5	Near the limit
33	0.12	0.5	Below the limit
34	0.13	0.5	Below the limit
35	0.30	0.5	Below the limit
36	0.10	0.5	Below the limit
37	0.37	0.5	Below the limit
38	0.44	0.5	Near the limit
39	0.40	0.5	Near the limit

Treatments

Norwegian Food Safety Authority

Week 39, 2026
Mechanical delousing1 pen
Week 38, 2026
Other treatment1 pen · SalmoClean+Wellfighter
Week 36, 2026
Thermal delousing1 pen
Week 31, 2026
Mechanical delousing1 pen

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

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
01 Sep 2026	Ronja Vest	Loddetå	7 h 50 min
31 Aug 2026	Ronja Vest	Loddetå	11 h 54 min
15 Aug 2026	Ronja Vest	Trettholmosen	36 h 23 min
01 Aug 2026	Ronja Queen	Loddetå	13 h 18 min
09 Jun 2026	Ronja Queen	Øklandsvågen	2 h 31 min
08 Jun 2026	Ronja Queen	Øklandsvågen	3 h 5 min
07 Jun 2026	Ronja Queen	Øklandsvågen	2 h 45 min
25 Apr 2024	Ronja Vest	Hesbygrunnen	1 h 57 min

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

Licences

Site MAB: 4,680 tonnes

Licence	Type	Capacity	Holder
R FD 0016	Kommersiell / matfiskSalmon, Rainbow trout, Trout	854 t	Seashore Sjø AS
R SS 0008	Kommersiell / matfiskSalmon, Rainbow trout, Trout	854 t	Seashore Sjø AS
R SS 0011	Kommersiell / matfiskSalmon, Rainbow trout, Trout	854 t	Seashore Sjø AS
R SS 0018	Kommersiell / matfiskSalmon, Rainbow trout, Trout	854 t	Seashore Sjø AS
R ST 0002	Kommersiell / matfiskSalmon, Rainbow trout, Trout	854 t	Seashore Sjø AS
R ST 0011	Kommersiell / matfiskSalmon, Rainbow trout, Trout	854 t	Seashore Sjø AS

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