Fish technology Managing Director Dr. Gerd-Uwe Meylahn in an interview with “joule” Moringen Fredelsloh, January 2009 see an option biogas producer in fish farming along to get the power-heat-coupling bonus and to increase the profitability of their investments, says Dr. Gerd-Uwe Meylahn, Managing Director of Fischtechnik International Engineering GmbH. But the necessary expertise in the production of fish and a sober investment planning are key factors for the success, he admonishes “joule” for agricultural energy, technology, politics and economy in the current January edition of the journal. The biogas sector and aquaculture could complement well, because heat energy is required in the fish farm throughout the year, the fresh mud, possibly the entire wastewater from aquaculture in the bio-gas plant can be exploited, the infrastructures of the biogas plant and the fish farm could complement each other and usually farms, who are familiar with livestock, operate biogas plants.” If Waste heat is used, Dr. Meylahn advises to produce warm water fish farmers who accept a water temperature of 20 to 26 C, carp, eel, Zander, catfish, barramundi, tilapia, Clarias (African catfish), or striped bass, all in Germany are known. Just from the bad forecast for the fish stocks of the world’s oceans Dr.
Meylahn draws hope for the Aqua culture in closed recirculation systems and encourages the entrepreneurial biogas producer: aquaculture is the only way, to create, to meet the demand and to reduce the burden on the environment through fish production compensation. The tendency of the last years shows clearly that steadily increase the prices for high-quality fish and fish products.” Also Dr. Birgit Schmidt Puckhaber, project manager Aqua culture of the German agricultural society (DLG), highlights the importance of fish farming in the “joule”: aquaculture and also producing fish in recirculation systems, are not only by investors from agriculture increasingly perceived, but also by the trade. Germany imported 85 percent of the fish products and can cover only 15 per cent from equity landings and own production. Now is the missing ‘ fish are certainly not completely covered with fish from closed systems, as very much sea fish consumed in Germany. The trade but increasingly calls fresh and above all year-round availability in the required market size and raw materials of excellent quality. This has provided clear aquaculture of the fishing industry.” The full interview is to be read in the “joule” issue January 2009. The magazine is published by German agricultural Publisher (DLV).
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