Site Details: Sgeir Dughall
Ross-shire
IV54 8XH
Water type: Seawater
Cumulative mortality over full production cycle
Production cycle end date: Sep 2019
Total losses: 15.5 %
Production cycle end date: Jul 2021
Total losses: 32 %
Production cycle end date: Jun 2023
Total losses: 14.6 %
Fish Health Inspectorate mortality
15/05/23-21/05/23
10,946
3.25%
22/05/23-28/05/23
8,847
2.71%
29/05/23-04/06/23
3,701
1.67%
Inspection reports
Case Number: 2023-0201
Download
peaks in mortality 22021 wk 19 6625 (2.83%), wk 20 5376 (2.57%), wk 21 4110 (2.02%), wk 22 2905 (1.53%) wk 23 1854
(1.12%) all CMS related.
Main treatments have been FW, lice numbers have been low and gills health has been good throughout the current cycle.
FW treatment boat equipped with a flushing system (FLS system) to remove weakened sea lice post treatment, less pressure is required to remove lice. Clearance of lice is reported to be excellent. All water is filtered through drum filter four times to remove lice prior to discharge.
Recent mortalities slightly increased, on inspection of the site lethargic fish were observed in all cages, some bilateral exophthalmia also noted. Furunclosis like lesions were also observed. Three fish were removed for diagnostic sampling [Original PDF]