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Aquaculture company Clean Seas announces seaweed trial in bid to reduce emissions



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An aquaculture firm is trialling rising seaweed to cut back the environmental influence of fish farming and livestock. 

Clear Seas is working with one other aquaculture firm, CH4 International, to develop asparagopsis seaweed at its Arno Bay website as a part of the trial. 

Asparagopsis can soak up extra carbon and nitrogen waste from fish farms and reduces cattle methane emissions when added to their feed. 

Clear Seas chief govt Rob Gratton stated rising asparagopsis alongside kingfish farms might make purple meat and aquaculture extra sustainable. 

“That is about the way forward for sustainable aquaculture and the way forward for feeding the world,” he stated.

Cow in a feedlot eating
Trials in feedlots present methane emissions from cattle might be lowered by as much as 90 per cent.(Provided: CSIRO)

“We are able to offset among the environmental footprint of kingfish farming and produce a product that helps one other trade obtain its environmental credentials.”

Asparagopsis is estimated to cut back carbon emissions from cattle by as much as 90 per cent when added to feed. 

As a part of the trial Clear Seas is offering a tank to develop the seaweed in, whereas CH4 is outfitting it to develop asparagopsis. 

Mr Gratton stated he was assured within the science of rising asparagopsis and that the three-year trial would focus easy methods to develop the seaweed at scale. 

A helicopter shot of a kingfish farm in a bay with hills in background.
Clear Seas CEO Rob Gratton says if the trial is profitable, the corporate might develop algae at its different Eyre Peninsula websites.(Provided: Clear Seas)

“The science is obvious, this species of asparagopsis grows in our waters and captures carbon and nitrogen; that is extra a technical scale-up train,” he stated. 

Mr Gratton stated if profitable, asparagopsis manufacturing might develop into a mainstay of its enterprise. 

“If this was profitable, I might see a future the place all our leases up and down the Spencer Gulf have some type of algae manufacturing,” he stated.