unknownAdult female lice per fishNo count in week 39. Latest: 0.49 in week 37, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026
0Weeks above the limit in 2026of 37 weeks with a count · broodstock: limit may differCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026
3Lice treatments in 2026Latest: Medicinal bath, week 33, 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
11Wellboat visits in 2026by 4 different vessels · latest 12 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 21–26 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
Adult female lice per fishLice limitNo count (unknown)
0.00.20.40.60.8Week 15101520253035404553No data yetLimit 0.5Limit 0.2
0.00.20.40.60.8Week 113263953No data yetLimit 0.5Limit 0.2
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.Show as table
Adult female lice per fish per week, 2026
Week
Adult female lice per fish
Lice limit
Status
1
0.12
0.5
Below the limit
2
0.21
0.5
Below the limit
3
0.24
0.5
Below the limit
4
0.24
0.5
Below the limit
5
0.22
0.5
Below the limit
6
0.22
0.5
Below the limit
7
0.20
0.5
Below the limit
8
0.17
0.5
Below the limit
9
0.15
0.5
Below the limit
10
0.15
0.5
Below the limit
11
0.12
0.5
Below the limit
12
0.09
0.5
Below the limit
13
0.08
0.5
Below the limit
14
0.07
0.5
Below the limit
15
0.06
0.5
Below the limit
16
0.05
0.5
Below the limit
17
0.04
0.5
Below the limit
18
0.05
0.5
Below the limit
19
0.05
0.5
Below the limit
20
0.04
0.5
Below the limit
21
0.05
0.2
Below the limit
22
0.04
0.2
Below the limit
23
0.04
0.2
Below the limit
24
0.04
0.2
Below the limit
25
0.05
0.2
Below the limit
26
0.11
0.2
Below the limit
27
0.13
0.5
Below the limit
28
0.22
0.5
Below the limit
29
0.37
0.5
Below the limit
30
0.17
0.5
Below the limit
31
0.22
0.5
Below the limit
32
0.30
0.5
Below the limit
33
0.35
0.5
Below the limit
34
0.41
0.5
Near the limit
35
0.17
0.5
Below the limit
36
0.30
0.5
Below the limit
37
0.49
0.5
Near the limit
38
unknown
0.5
Not reported
39
unknown
0.5
Not reported
Earlier years
20250 of 30 weeks with a count above the limit
Adult female lice per fishLice limitNo count (unknown)
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.Show as table
Adult female lice per fish per week, 2025
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
0.5
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
Reported without a count
22
unknown
0.2
Reported without a count
23
0.00
0.2
Below the limit
24
0.00
0.2
Below the limit
25
0.00
0.2
Below the limit
26
0.00
0.2
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
0.03
0.5
Below the limit
31
0.02
0.5
Below the limit
32
0.02
0.5
Below the limit
33
0.02
0.5
Below the limit
34
0.05
0.5
Below the limit
35
0.07
0.5
Below the limit
36
0.03
0.5
Below the limit
37
0.07
0.5
Below the limit
38
0.27
0.5
Below the limit
39
0.28
0.5
Below the limit
40
0.47
0.5
Near the limit
41
0.08
0.5
Below the limit
42
0.05
0.5
Below the limit
43
0.03
0.5
Below the limit
44
0.02
0.5
Below the limit
45
0.05
0.5
Below the limit
46
0.07
0.5
Below the limit
47
0.07
0.5
Below the limit
48
0.09
0.5
Below the limit
49
0.08
0.5
Below the limit
50
0.12
0.5
Below the limit
51
0.15
0.5
Below the limit
52
0.13
0.5
Below the limit
20240 of 24 weeks with a count above the limit
Adult female lice per fishLice limitNo count (unknown)
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.Show as table
Adult female lice per fish per week, 2024
Week
Adult female lice per fish
Lice limit
Status
1
0.10
0.5
Below the limit
2
0.25
0.5
Below the limit
3
0.13
0.5
Below the limit
4
0.13
0.5
Below the limit
5
unknown
0.5
Reported without a count
6
0.12
0.5
Below the limit
7
unknown
0.5
Reported without a count
8
0.10
0.5
Below the limit
9
unknown
0.5
Reported without a count
10
0.30
0.5
Below the limit
11
unknown
0.5
Reported without a count
12
0.13
0.5
Below the limit
13
unknown
0.5
Reported without a count
14
0.17
0.5
Below the limit
15
unknown
0.5
Reported without a count
16
0.20
0.5
Below the limit
17
unknown
0.5
Reported without a count
18
0.10
0.5
Below the limit
19
0.03
0.5
Below the limit
20
0.08
0.5
Below the limit
21
0.06
0.2
Below the limit
22
0.03
0.2
Below the limit
23
0.07
0.2
Below the limit
24
0.00
0.2
Below the limit
25
0.03
0.2
Below the limit
26
0.03
0.2
Below the limit
27
0.03
0.5
Below the limit
28
0.23
0.5
Below the limit
29
0.20
0.5
Below the limit
30
0.40
0.5
Near the limit
31
0.30
0.5
Below the limit
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
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
20230 of 12 weeks with a count above the limit (data from week 40)
Adult female lice per fishLice limitNo count (unknown)
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.Show as table
Adult female lice per fish per week, 2023
Week
Adult female lice per fish
Lice limit
Status
40
unknown
0.5
Not reported
41
0.02
0.5
Below the limit
42
0.03
0.5
Below the limit
43
0.09
0.5
Below the limit
44
0.10
0.5
Below the limit
45
0.02
0.5
Below the limit
46
0.12
0.5
Below the limit
47
0.03
0.5
Below the limit
48
0.08
0.5
Below the limit
49
0.06
0.5
Below the limit
50
0.10
0.5
Below the limit
51
0.09
0.5
Below the limit
52
0.10
0.5
Below the limit
Treatments
Norwegian Food Safety Authority
Week 33, 2026
–Medicinal bathAzamethiphos
Week 31, 2026
–Mechanical delousing1 pen
Week 30, 2026
–Mechanical delousing2 pens
Week 41, 2025
–Other treatment5 pens · Ferskvann og thermolicer
Show all 9
Week 35, 2025
–Medicinal feed2 pens · Emamectin benzoat
Week 34, 2025
–Medicinal feed2 pens · Emamectin benzoat
Week 30, 2025
–Medicinal feed4 pens · Emamectin benzoat
Week 29, 2025
–Medicinal feed4 pens · Emamectin benzoat
Week 22, 2024
–Thermal delousing2 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
11 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.