Posts Tagged ‘RAS’
The only way is up
Vertical Oceans’ modular stacking RAS system for shrimp will work anywhere, say the company’s founders. Robert Outram reports.
Read MoreOptimizing trout performance through field trials
Troutlodge is the world’s leading producer of eyed trout eggs. We maintain four strains of rainbow trout, which allows for security of supply for our customers all year-round. Our breeding program is designed to maximize value to customers by optimizing hatching rates, feed conversion, growth, and product quality.
Read MoreTasmanian salmon company announces major expansion
The key Australian salmon company Huon Aquaculture is expanding its Tasmanian farm at a cost of AUS $110 million (£78m).
Read MoreHuge loan for Japanese RAS project
The Japanese aquaculture company, Soul of Japan, has secured a huge 33 billion yen loan (£165m) to develop and build a RAS salmon facility in the country.
Read MoreMaine RAS farm project wins $5m grant
Land-based start-up Katahdin Salmon has received a $5m (£3.9m) grant for remediation of its proposed recirculating aquaculture system (RAS) plant in Maine, in the northeastern United States.
Read MoreGRP Access Structures for Barcaldine Hatchery
Dura Composites designed and supplied a challenging set of two GRP (glass reinforced polymer) access structures for Barcaldine Hatchery – one at the Vacuum Waste and the other at the On-Growing RAS – each addressing critical safety and access needs for sensor maintenance and cleaning. The access structures were required to maintain adequate headroom, using…
Read MoreFit for an emperor
A RAS farm in Germany has been leading the way in raising pike-perch for the table at a commercial scale. Robert Outram reports Mark Saalmann has some advice for any aquaculturist looking to start farming a new species. As he explains: “Every fish is different. You can’t build a trout farm for a pike-perch.” Saalmann…
Read MoreFrom problem to product
Sludge from fish farms and hatcheries is seen as waste, but it also contains potentially valuable resources One of the advantages of fish farming with a recirculating aquaculture system (RAS) is that waste – in its various forms – can be collected rather than ending up in the ocean. The bad news is that it…
Read MoreStudy shows how nitrates in RAS systems affect fish health
Exposure to nitrates can adversely affect the intestinal health of fish in RAS systems, a study by researchers in China has found. While it is well known that nitrates have a toxic effect, the study provides a detailed analysis of how nitrate (NO3) levels can have an impact at molecular level. A team of scientists…
Read MoreEffective and sustainable wastewater treatment in Aquaculture NAPRAS
Alumichem, along with partners, has secured a Green Development and Demonstration Programme grant for the NAPRAS fish farming wastewater treatment project Collaborating with DTU Aqua, Clean Matter and Drying Matter, the NAPRAS initiative aims to revolutionise wastewater treatment in recirculating aquaculture systems (RAS). The project focuses on efficient nitrogen (N) and phosphorous (P) removal, aiming…
Read More