With two freshwater hatcheries and 42 marine farms around Scotland’s west coast, Orkney and Shetland Islands, Scottish Sea Farms (SSF) is one of the leading producers of premium Scottish farmed salmon. The company has a notable focus on integrating innovative technologies throughout the entire business chain in order to farm as responsibly and as sustainably as possible.
The new 24,000m² hatchery costs roughly USD 80 million and can produce up to 12 million smolts annually. This has made the SSF Barcaldine Hatchery one of the largest and most advanced in the world. Located on the shores of Loch Creran, it is designed to produce bigger, more resilient smolts that are better able to withstand challenging marine environments.
Utilizing UV systems was a perfect fit to support the operations of a well-functioning RAS facility, requiring 24-hour supervision and many years of expertise. Providing more control over the key growth factors of water quality, temperature, flow and light, RAS technology offers farmers the scope to create the optimum environment for their fish.
The new facility will enable SSF to shorten the time salmon spend on-growing at the sea by as much as two months which will further help increase survival rates. It also creates the opportunity for longer fallow periods between generations of fish, contributing to a healthier marine environment for future generations. The facility is sustainably optimized and includes four incubator units and four hatcheries.
To provide a comprehensive intake water firewall, numerous UV systems were installed to control the bacterial load in the recirculation system, acting as a safeguard against bacterial outbreaks and algae blooms. One of the main challenges was to overcome the very low UVT (50%), which was a perfect match for our ULTRABARRIER systems. The UV systems will effectively assist in protecting eggs and smolt from any possible diseases entering the RAS, with the purpose of delivering more resilient smolts further down the supply chain. The disease target was the severe viral fish disease Infectious Pancreatic Necrosis (IPN), which is now under full control by applying the optimal UV dose.
Every 30 minutes, Barcaldine Hatchery will recirculate 95%+ of the 5,200m³ water flow; water that has been cleaned with advanced filtration systems and UV disinfection as the final treatment step. ULTRAAQUA UV have been successfully protecting smolts by overcoming the low UVT (UV transmission) water challenge and safeguarding against any possible virus or bacteria intrusion.
The UV systems installed:
The ACN ULTRABARRIER™ series is developed specifically for intake water…Learn more
The Open Channel PP series offers safe, chemical-free disinfection for…Learn more
“The UV disinfection systems procured from ULTRAAQUA is one of the primary biosecurity measures at the hatchery. Water testing has proven it be a highly effective line of defence, helping ensure our young fish experience the best growing conditions.”
Carlota Castaneda-Cobo - Operations Manager, Barcaldine Hatchery
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