3.-4.2.2015 Workshop on Fish health management and welfare in recirculating aquaculture systems (RAS)

Workshop on Fish health management and welfare in recirculating aquaculture systems (RAS) 

Tuesday February 3 2015

Theme 1 Industrial background

RAS in Nordic countries’ aquaculture: status and recent developments
Jesper Heldbo, AquaCircle (Denmark)

Theme 2 Fish health and welfare in RAS: perceptions and real-life experiences

Risks to health and welfare in salmonid hatcheries using RAS, synopsis of the Norwegian VKM report 2012
Peter Østergard, Aquamed (Faroes)

Overview of predominant health issues in large-scale smolt production units 

Case report: Yersinia ruckeri infection in freshwater and seawater recirculation systems for young Atlantic salmon
Berit Seljestokken, Grieg Seafood Finnmark AS (Norway) 
Overview of predominant health issues in rainbow trout hatcheries and table fish production
Thomas Clausen, FishVet, (Denmark) 

Case/field reports

Wednesday February 4 2015

Theme 3 Managing dissolved gases and other essential water parameters

Water quality and real-time monitoring in recirculation aquaculture systems (RAS)
Jelena Kolarevic, Nofima (Norway)

Understanding and controlling CO2 and pH in RAS
Anders Andreassen, Biomar (Denmark)

Risks when using freshwater/seawater mixtures in RAS. FW-SW transfers
Bjørn Olav Rosseland, Norwegian University of Life Sciences (Norway)

Theme 4 Disease control, medicinal treatment and biofilters (what you have to take into consideration)

All in - all out; why and how
Niels Henrik Henriksen, The Danish Aquaculture Organisation (Denmark)

Use of formaldehyde and peracetic acid in RAS 
Lars Flemming Pedersen, DTU-Aqua (Denmark)

Can you find antibiotic residues in untreated RAS fish?
Morten Sichlau Bruun, DTU-Aqua (Denmark)

Case report report : Use of florfenicol in RAS production of coregonids
Perttu Koski, Evira (Finland)

Theme 5 Stocking densities, and monitoring fish welfare

Proposed interventions, and documentation of improved fish welfare
Paul Midtlyng, Norwegian University of Life Sciences (Norway)

Overview of experimental work on stocking densities
Grete Baeverfjord, Nofima (Norway)

Different views on what can be considered good fish welfare
Peter Sandøe, University of Copenhagen (Denmark)