Midt Femris
Site 21397 · Gildeskål municipality · Production area 8, Helgeland til Bodø
Below the lice limit, week 39Operated by Gildeskål Forskningsstasjon AS · group unknown
0.28Adult female lice per fishLimit 0.50 · below the limit
0Weeks above the limit in 2026of 39 weeks with a count
7Lice treatments in 2026Latest: Mechanical delousing, week 38, 2026
0Active disease casesNone recorded
17Wellboat visits in 2026by 3 different vessels · latest 30 Aug 2026
1Escapes reported100 salmon, August 2024
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 21–26 and 0.5 for the rest of the year. Hatched weeks have no count and count neither as above nor below.
2026
Show as table
| Week | Adult female lice per fish | Lice limit | Status |
|---|---|---|---|
| 1 | 0.07 | 0.5 | Below the limit |
| 2 | 0.05 | 0.5 | Below the limit |
| 3 | 0.05 | 0.5 | Below the limit |
| 4 | 0.14 | 0.5 | Below the limit |
| 5 | 0.13 | 0.5 | Below the limit |
| 6 | 0.15 | 0.5 | Below the limit |
| 7 | 0.12 | 0.5 | Below the limit |
| 8 | 0.15 | 0.5 | Below the limit |
| 9 | 0.18 | 0.5 | Below the limit |
| 10 | 0.10 | 0.5 | Below the limit |
| 11 | 0.08 | 0.5 | Below the limit |
| 12 | 0.16 | 0.5 | Below the limit |
| 13 | 0.16 | 0.5 | Below the limit |
| 14 | 0.07 | 0.5 | Below the limit |
| 15 | 0.13 | 0.5 | Below the limit |
| 16 | 0.18 | 0.5 | Below the limit |
| 17 | 0.10 | 0.5 | Below the limit |
| 18 | 0.12 | 0.5 | Below the limit |
| 19 | 0.19 | 0.5 | Below the limit |
| 20 | 0.05 | 0.5 | Below the limit |
| 21 | 0.05 | 0.2 | Below the limit |
| 22 | 0.00 | 0.2 | Below the limit |
| 23 | 0.05 | 0.2 | Below the limit |
| 24 | 0.07 | 0.2 | Below the limit |
| 25 | 0.14 | 0.2 | Below the limit |
| 26 | 0.19 | 0.2 | Near the limit |
| 27 | 0.30 | 0.5 | Below the limit |
| 28 | 0.46 | 0.5 | Near the limit |
| 29 | 0.05 | 0.5 | Below the limit |
| 30 | 0.15 | 0.5 | Below the limit |
| 31 | 0.25 | 0.5 | Below the limit |
| 32 | 0.17 | 0.5 | Below the limit |
| 33 | 0.37 | 0.5 | Below the limit |
| 34 | 0.44 | 0.5 | Near the limit |
| 35 | 0.05 | 0.5 | Below the limit |
| 36 | 0.16 | 0.5 | Below the limit |
| 37 | 0.27 | 0.5 | Below the limit |
| 38 | 0.35 | 0.5 | Below the limit |
| 39 | 0.28 | 0.5 | Below the limit |
Earlier years
20250 of 26 weeks with a count above the limit
Show as table
| Week | Adult female lice per fish | Lice limit | Status |
|---|---|---|---|
| 1 | 0.13 | 0.5 | Below the limit |
| 2 | 0.24 | 0.5 | Below the limit |
| 3 | 0.28 | 0.5 | Below the limit |
| 4 | 0.18 | 0.5 | Below the limit |
| 5 | 0.43 | 0.5 | Near the limit |
| 6 | 0.48 | 0.5 | Near 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 | 0.5 | Not reported |
| 17 | unknown | 0.5 | Not reported |
| 18 | unknown | 0.5 | Not reported |
| 19 | unknown | 0.5 | Not reported |
| 20 | unknown | 0.5 | Not reported |
| 21 | unknown | 0.2 | Not reported |
| 22 | unknown | 0.2 | Not reported |
| 23 | unknown | 0.2 | Not reported |
| 24 | unknown | 0.2 | Not reported |
| 25 | unknown | 0.2 | Not reported |
| 26 | unknown | 0.2 | 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 | 0.00 | 0.5 | Below the limit |
| 33 | unknown | 0.5 | Not reported |
| 34 | 0.00 | 0.5 | Below the limit |
| 35 | 0.00 | 0.5 | Below the limit |
| 36 | 0.22 | 0.5 | Below the limit |
| 37 | 0.26 | 0.5 | Below the limit |
| 38 | 0.25 | 0.5 | Below the limit |
| 39 | 0.24 | 0.5 | Below the limit |
| 40 | 0.24 | 0.5 | Below the limit |
| 41 | 0.20 | 0.5 | Below the limit |
| 42 | 0.21 | 0.5 | Below the limit |
| 43 | 0.13 | 0.5 | Below the limit |
| 44 | 0.17 | 0.5 | Below the limit |
| 45 | 0.17 | 0.5 | Below the limit |
| 46 | 0.11 | 0.5 | Below the limit |
| 47 | 0.14 | 0.5 | Below the limit |
| 48 | 0.17 | 0.5 | Below the limit |
| 49 | 0.16 | 0.5 | Below the limit |
| 50 | 0.09 | 0.5 | Below the limit |
| 51 | 0.08 | 0.5 | Below the limit |
| 52 | 0.10 | 0.5 | Below the limit |
20243 of 40 weeks with a count above the limit
Show as table
| Week | Adult female lice per fish | Lice limit | Status |
|---|---|---|---|
| 1 | 0.22 | 0.5 | Below the limit |
| 2 | 0.29 | 0.5 | Below the limit |
| 3 | 0.43 | 0.5 | Near the limit |
| 4 | 0.33 | 0.5 | Below the limit |
| 5 | 0.34 | 0.5 | Below the limit |
| 6 | 0.37 | 0.5 | Below the limit |
| 7 | 0.47 | 0.5 | Near the limit |
| 8 | 0.30 | 0.5 | Below the limit |
| 9 | 0.30 | 0.5 | Below the limit |
| 10 | 0.40 | 0.5 | Near the limit |
| 11 | unknown | 0.5 | Reported without a count |
| 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 | 0.5 | Not reported |
| 17 | unknown | 0.5 | Not reported |
| 18 | unknown | 0.5 | Not reported |
| 19 | unknown | 0.5 | Not reported |
| 20 | unknown | 0.5 | Not reported |
| 21 | unknown | 0.2 | Not reported |
| 22 | 0.06 | 0.2 | Below the limit |
| 23 | 0.06 | 0.2 | Below the limit |
| 24 | 0.08 | 0.2 | Below the limit |
| 25 | 0.13 | 0.2 | Below the limit |
| 26 | 0.13 | 0.2 | Below the limit |
| 27 | 0.25 | 0.5 | Below the limit |
| 28 | 0.13 | 0.5 | Below the limit |
| 29 | 0.22 | 0.5 | Below the limit |
| 30 | 0.49 | 0.5 | Near the limit |
| 31 | 0.28 | 0.5 | Below the limit |
| 32 | 0.43 | 0.5 | Near the limit |
| 33 | 0.88 | 0.5 | Above the limit |
| 34 | 1.25 | 0.5 | Above the limit |
| 35 | 0.77 | 0.5 | Above the limit |
| 36 | 0.12 | 0.5 | Below the limit |
| 37 | 0.13 | 0.5 | Below the limit |
| 38 | 0.36 | 0.5 | Below the limit |
| 39 | 0.26 | 0.5 | Below the limit |
| 40 | 0.28 | 0.5 | Below the limit |
| 41 | 0.36 | 0.5 | Below the limit |
| 42 | 0.04 | 0.5 | Below the limit |
| 43 | 0.09 | 0.5 | Below the limit |
| 44 | 0.12 | 0.5 | Below the limit |
| 45 | 0.19 | 0.5 | Below the limit |
| 46 | 0.24 | 0.5 | Below the limit |
| 47 | 0.34 | 0.5 | Below the limit |
| 48 | 0.45 | 0.5 | Near the limit |
| 49 | 0.46 | 0.5 | Near the limit |
| 50 | 0.17 | 0.5 | Below the limit |
| 51 | 0.09 | 0.5 | Below the limit |
| 52 | unknown | 0.5 | Not reported |
20232 of 13 weeks with a count above the limit (data from week 40)
Show as table
| Week | Adult female lice per fish | Lice limit | Status |
|---|---|---|---|
| 40 | 0.70 | 0.5 | Above the limit |
| 41 | 0.88 | 0.5 | Above the limit |
| 42 | 0.19 | 0.5 | Below the limit |
| 43 | 0.17 | 0.5 | Below the limit |
| 44 | 0.31 | 0.5 | Below the limit |
| 45 | 0.27 | 0.5 | Below the limit |
| 46 | 0.27 | 0.5 | Below the limit |
| 47 | 0.43 | 0.5 | Near the limit |
| 48 | 0.11 | 0.5 | Below the limit |
| 49 | 0.12 | 0.5 | Below the limit |
| 50 | 0.17 | 0.5 | Below the limit |
| 51 | 0.21 | 0.5 | Below the limit |
| 52 | 0.17 | 0.5 | Below the limit |
Treatments
Norwegian Food Safety Authority- Week 38, 2026Mechanical delousing8 pens
- Week 35, 2026Mechanical delousingWhole site
- Week 32, 2026Mechanical delousingWhole site
- Week 29, 2026Mechanical delousingWhole site
Show all 22
- Week 24, 2026Mechanical delousingWhole site
- Week 21, 2026Mechanical delousingWhole site
- Week 20, 2026Mechanical delousingWhole site
- Week 50, 2025Mechanical delousing1 pen
- Week 45, 2025Medicinal feed5 pens · Emamectin benzoat
- Week 43, 2025Freshwater treatment, Thermal delousing6 pens
- Week 36, 2025Medicinal feedWhole site · Emamectin benzoat
- Week 50, 2024Mechanical delousingWhole site
- Week 42, 2024Mechanical delousingWhole site
- Week 39, 2024Mechanical delousingWhole site
- Week 36, 2024Mechanical delousingWhole site
- Week 35, 2024Mechanical delousing, Thermal delousingWhole site
- Week 34, 2024Mechanical delousing, Thermal delousing10 pens
- Week 31, 2024Thermal delousing, Freshwater treatmentWhole site
- Week 28, 2024Mechanical delousingWhole site
- Week 5, 2024Medicinal bath4 pens · Azamethiphos
- Week 48, 2023Thermal delousingWhole site
- Week 42, 2023Medicinal bathWhole site · Azamethiphos
Disease
Norwegian Food Safety AuthorityNo cases in the Food Safety Authority's register of notifiable diseases (since 26 Nov 2024).
Escapes
Directorate of Fisheries- 26 Aug 2024100 salmon escapedrecaptured 1 · Directorate of Fisheries
Wellboat visits
17 visits in 2026Visits 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 |
|---|---|---|---|
| 30 Aug 2026 | Steinar Olaisen | Naustholmen | 14 h 10 min |
| 29 Aug 2026 | Steinar Olaisen | Naustholmen | 15 h 15 min |
| 28 Aug 2026 | Steinar Olaisen | Naustholmen | 16 h 56 min |
| 19 Aug 2026 | Inter Fjord | Skauholmen | 1 h 22 min |
| 19 Aug 2026 | Inter Fjord | Skauholmen | 1 h 14 min |
| 10 Aug 2026 | Steinar Olaisen | Naustholmen | 49 min |
| 09 Aug 2026 | Steinar Olaisen | Naustholmen | 17 h 27 min |
| 08 Aug 2026 | Steinar Olaisen | Naustholmen | 15 h 41 min |
| 07 Aug 2026 | Steinar Olaisen | Naustholmen | 7 h 25 min |
| 05 Aug 2026 | Oddoey | Slønga | 21 h 37 min |
| 15 Jul 2026 | Steinar Olaisen | Olvika | 9 h 24 min |
| 13 Jul 2026 | Steinar Olaisen | Olvika | 40 h 43 min |
Show 57 older visits
Licences
Site MAB: 3,600 tonnes| Licence | Type | Capacity | Holder |
|---|---|---|---|
| N B 0029 | Kommersiell / matfisk - (5% mtb økning)Salmon, Rainbow trout, Trout | 975 t | Edelfarm AS |
| N FE 0002 | Kommersiell / matfisk - (5% mtb økning)Salmon, Rainbow trout, Trout | 983 t | Wenberg Fiskeoppdrett AS |
| N FE 0005 | Kommersiell / matfisk - (5% mtb økning)Salmon, Rainbow trout, Trout | 1,187 t | Wenberg Fiskeoppdrett AS |
| N G 0015 | Undervisning / matfiskSalmon, Rainbow trout, Trout | 780 t | Nordland Fylkeskommune |
| N G 0016 | Forskning / matfiskSalmon, Rainbow trout, Trout | 520 t | Gildeskål Forskningsstasjon AS |
| N G 0020 | Forskning / matfiskSalmon, Rainbow trout, Trout | 780 t | Gildeskål Forskningsstasjon AS |
| N G 0057 | Kommersiell / matfiskSalmon, Rainbow trout, Trout | 398 t | Gildeskål Forskningsstasjon AS |
| N G 0059 | Visning / matfiskSalmon, Rainbow trout, Trout | 780 t | Salmon Center Gildeskål AS |
| N G 0063 | Kommersiell / matfiskSalmon, Rainbow trout, Trout | 538 t | Organic Seafarm AS |
| N G 0064 | Kommersiell / matfiskSalmon, Rainbow trout, Trout | 538 t | Organic Seafarm AS |
| N L 0069 | Kommersiell / matfiskSalmon, Rainbow trout, Trout | 780 t | Organic Seafarm AS |
| N SL 0003 | Kommersiell / matfisk - (5% mtb økning)Salmon, Rainbow trout, Trout | 975 t | Edelfarm AS |
| N SL 0005 | Kommersiell / matfiskSalmon, Rainbow trout, Trout | 675 t | Edelfarm AS |