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Tassal and Billund Aquaculture RAS Success
Tassal and Billund Aquaculture RAS Success
Billund Aquaculture and Tassal are celebrating the success of their Rookwood hatchery and joining forces yet again to improve their most efficient RAS even further to unprecedented levels.
Billund Aquaculture believes that the RAS facility that it built with Tassal in Tasmania is operating as the best in the world from a water quality and water preservation perspective.
Tassal commissioned Billund to build its second RAS at the Rookwood site near Huonville Tasmania in 2014. This project was completed in 2016 with a strong focus on smolt quality and the environment. It was the first of Billund's designs to incorporate ozone cleaning and disinfection for the entire flow.
Part of Tassal's focus on the environment means that all incoming water comes from a bore and all outgoing water goes to irrigating farmland. This required a very efficient RAS. The ozone treatment combined with denitrification technology turned out to be ground-breaking innovation and something Billund now incorporates into its new facilities.
"But that does not tell the whole story" says Patrick Tigges, CEO of Billund Aquaculture Australia, "We believe Rookwood 2 is the most efficient RAS anywhere in the world and we don't fully understand why". To this end, Billund and Tassal are working together to better understand the dynamics of the system.
Patrick explains that the focus and care that the management and staff have in running the facility is a key success factor and we want to study how they operate and how the system reacts so that we can continue to improve with ever more efficient systems.Tassal RAS manager Troy Hein says "it has been a great project and we are producing excellent fish as big as 600g. The efficiency of the system has allowed us to dial in our water temperature and quality targets and increase the biomass output."
Head of Aquaculture for Tassal, Mark Asman says "We look forward to coming together with Billund on this project. We are always striving to ensure we minimise our impact on the environment at Tassal and if we can share with the salmon world our learnings from our focus, then we feel that is a good thing to do."
