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Title: RASTECH Magazine - RASTech covers the latest developments in land-based, recirculating aquaculture systems around the world. Our multimedia content is designed for owners and operators of RAS.RASTECH Magazine

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For decades, assessing whether a salmon smolt was ready for seawater was largely a matter of observation. A silvery body, fading parr marks and a certain size were the visual cues that guided farmers in deciding when fish could leave freshwater behind. These indicators, rooted in empirical knowledge, worked reasonably well in a less intensive industry.

But as salmon fa...


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Marcelo Shei, owner of Altamar Sistemos Aquáticos, discussed his extensive experience in the RAS industry in Brazil and Latin America. He highlighted major projects with marine species, including Genomar’s tilapia genetics facility. He also shares his work as president of the World Aquaculture Society’s Latin America and Caribbean chapter and translating the Yellow Book of Re...


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The Conservation Fund’s Freshwater Institute is accepting participants for its four-day course on Recirculating Aquaculture Systems, which includes a tour of the institute’s RAS facilities.

Scheduled for ...


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Maine has long been a hotbed for aquaculture, and it seems an excitement about building the state’s land-based aquaculture sector is growing by the month. 

Leading the charge is the University of Maine Center for Cooperative Aquaculture Research (CCAR), a central incubator for recirculating aquaculture systems (RAS) startups.

Sitting on 22 acres along the s...


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Steffen Nielsen is CEO of Danforel, one of Europe’s largest producers of rainbow trout located in Grindsted, Denmark. The farm produces about 4,000 metric tons per year. In this episode, Steffen highlights the farm’s close relationship with its owner and feed supplier, Aller Aqua. Since the acquis...


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