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Practices in managing finfish aquaculture using RAS ...

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Practices in managing finfish aquaculture using RAS technologies, the Dutch example A. Rothuis2, A. van Duijn3, H. van der Mheen1
Practices in managing finfish aquaculture using
RAS technologies, the Dutch example
1 IMARES Wageningen UR, Korringaweg 5, 4401 NT Yerseke 2 Ministry of Agriculture, Nature and Food Quality, P.O.Box 20401, 2500EK Den Haag
3 LEI Wageningen UR, Alexanderveld 5, 2585 DB, Den Haag [email protected]
IMARES
Outline
Pitfalls, Challenges & Opportunities
Lamella
RAS – technical concept
Cons?
1000MT)
0
1
2
3
4
5
biological
To explore the potential of nature to improve the quality of life
Gene/ Molecule
social
IMARES
0
5
10
15
20
25
30
35
2004
2007
2009
IMARES
tank *
Sustainability - Economy
*Based on Kamstra & vd. Heul, 1999, ** based on Ebeling et al., 2005
Cost of waste discharge (/100 ton catfish production in Hungary
(green) & The Netherlands (yellow) in 2006
IMARES
€0.25
€0.50
€0.75
€1.00
€1.25
€1.50
€1.75
P ri
Verdegem et al
Courtesy Brinker et al 2010
IMARES
1.
0 200 400 600 800
1000 1200 1400 1600 1800 2000
g C
1000 1200 1400 1600 1800 2000
g C
Pond 5.0 kg CO2 per kg fish
IMARES
miles)
National Governance
Rules & Frameworks
European Governance & Strategy
African catfish
Barramundi
Happy Shrimp
• not competitive
• Cost price
Social
IMARES
• Sole product replacement
• Shrimps Biofloc systems
System driven
Instruments in place to develop sustainable sector
animal welfare, nutrient emissions, new species, drug use & others
Some pitfalls & issues, but as well several opportunities
IMARES
of 24/24
O. Schneider 1x , E. Schram 1 , M. Poelman 1 , A. Rothuis 2 , A. van Duijn 3 , H. van der Mheen 1 Practices in managing finfish aquaculture using RAS technologies, the Dutch example 1 IMARES Wageningen UR, Korringaweg 5, 4401 NT Yerseke 2 Ministry of Agriculture, Nature and Food Quality, P.O.Box 20401, 2500EK Den Haag 3 LEI Wageningen UR, Alexanderveld 5, 2585 DB, Den Haag x [email protected]
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