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Integrated Sciences : Putting Fish On The Dish With A Side Salad.

This now enables a potential organic certifiable sustainable sector of integrated primary industry to begin in South Australias dry climate whilst fitting all criteria of sustainability and environmental stewardship.”

Jan. 27, 2010 - PRLog -- South Australian research helps the man on the land with integrated farming to achieve an environmentally friendly nutrient removal for fish culture wastewater.

Private researchers from Omega Fish Products (O.F.P) research farm based at Lewiston in South Australia announced that they have successfully developed a consistent way of removing high levels of nitrogen nutrient from fish culture wastewaters and further value adding this by-product into consumable protein.

South Australian aquaculture pioneer Andrew S. Dezsery M.Sc from Gawler River was awarded a prestigious fellowship for an overseas study tour by the Department of Education, Employment and Workplace Relations (DEEWR) and the International Specialised Skills (ISS) Institute, based in Hawthorne, Victoria.

The Fellowships are designed to fill skills deficiencies which have been identified by industry and for which training is unavailable through nationally accredited Australian educational institutions.

Andrew travelled to both Canada and U.S.A to further the work by O.F.P and bring home to S.A some of the world’s best practice of integrated type farming. “How to” workshops are now available.

Andrew commented “Our fish culture work has enabled the understanding of natural beneficial bacterial processes to increase the efficiency and effectiveness of nutrient removal from this waste water stream. With inland aquaculture, if these nutrients are not readily removed from wastewater but released into the environment, eutrophication can occur in river systems potentially causing toxic algal blooms. The Environmental Protection Authority (E.P.A) is therefore stringent on fish culture wastewater release. The E.P.As support on our work will benefit fish farmers and hopefully further develop a new sector of primary industry.”

Andrew explains that the process of recirculating water and the by-products produced eliminates excessive water usage, minimises carbon footprints, produces zero waste and produces three individual food types in the process.

“By recirculating the filtered waste water through aquaculture/hydroponic techniques the biologically polished water returns to the fish tanks revitalised. We are therefore able to eliminate high soluble nitrogen and produce an abundance of horticulture crops such as fancy lettuce, herbs, onions and tomatoes as an organic by-product. The organically grown produce has then been fed to Specific Pathogen Free (SPF) meat rabbits developed by fellow research colleague Dr. Neil Griffiths and the quality and growth of these animals is amazing. The waste from the rabbitry and horticulture will be blended and used for further protein production utilising entomology and vermiculture practices to produce our organic fish feeds”

“This is the first time, that we know of, that such high concentrations of multiple tiered production has successfully produced consistently and reliably removing the use of chemicals whilst using waste products as the catalyst. This now enables a potential organic certifiable sustainable sector of integrated primary industry to begin in South Australias dry climate whilst fitting all criteria of sustainability and environmental stewardship.”

Photos of work in progress are available from: Andrew de Dezsery, phone: 08855243962
For interview: Andrew S. de Dezsery, phone 0885 243 962, 0412 477 036

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Private research farm based at Lewiston in South Australia with over 48 years of combined commercial aquaculture, aquaponic and horticulture experience. Manufacturers of aquaponic equipment, education and consultancy services to the commercial sector.

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Location:Lewiston - South Australia - Australia
Industry:Agriculture, Environment, Research
Tags:Aquaponics, Raft Systems, Rakocy, Integrated Farming, Fish, Manufacture, Health, Food
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