Ilsøya Ø

Site 10240 · Hitra municipality · Production area 6, Nordmøre og Sør-Trøndelag

Status unknown: no lice countsOperated by AS Knutshaugfisk

unknownAdult female lice per fishNo lice counts recorded since week 40, 2023Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

unknownWeeks above the limit in 2026No weeks with a count in 2026Calculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

unknownLice treatments in 2026No lice reports in 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

2Wellboat visits in 2026by 1 vessel · latest 15 Apr 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

No lice counts have been recorded for this site since week 40, 2023 (as far back as our data goes). The site may have been fallow; we do not know.

Treatments

Norwegian Food Safety Authority

No lice reports from this site, so no treatment data.

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

2 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
15 Apr 2026	Ronja Aurora	Flesa	48 min
13 Apr 2026	Ronja Aurora	Suholmen	52 min
27 May 2025	Ronja Princess	Flesa disease or zone there	50 min
26 May 2025	Ronja Princess	Flesa disease or zone there	36 min
16 Mar 2025	Ronja Princess	Flesa disease or zone there	1 h 50 min

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

Licences

Site MAB: 1,560 tonnes

Licence	Type	Capacity	Holder
ST H 0007	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	AS Knutshaugfisk
ST H 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	1,106 t	AS Knutshaugfisk
ST H 0055	Kommersiell / matfiskSalmon, Rainbow trout, Trout	792 t	AS Knutshaugfisk
TR H 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	780 t	AS Knutshaugfisk

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