fish farm aeration News

  • For lively fish in the water

    For 30 years, trout have been cultivated at the Winkelmann farm in Wietzendorf (Lower Saxony), southeast of the city of Soltau. What started out as a hobby ultimately became a business. Since then, the main goal has been the preparation of fish eggs, caviar (roe). The female trout are brought up in concrete semi-circulating basins and slaughtered after 26 to 29 months as salmon trout. The annual ...

  • USSEC Provides Trade and Technical Servicing to Shrimp Producers in Peru

    USSEC provided technical support to commercial shrimp growers in Peru by holding multiple discussions with a feedmill representative and fish and shrimp producers about modifying diet formulations for fish and shrimp by incorporating more soybean meal derived from U.S.-grown soybeans. Visits to fish and shrimp farms and facilities by USSEC consultants Dr. John Hargreaves and Jairo Amezquita ...

  • DynaSwirl Microbubble Generator Launched

    Dynaflow, Inc. has recently developed a microbubble generator based on its patented DynaSwirl® technology.The DynaSwirl® bubble generator has a special design to generate a cavitation vortex core even at low pump pressures. The cavitation results in the generation of very fine bubbles. Air or other gases can also be easily introduced into the generator to increase bubble density, ...


    By Dynaflow, Inc.

  • DYNASWIRL® and STRATOJET® Bubble Generators

    Dynaflow, Inc. has developed  large  flow rate bubble generators based on its two patented DynaSwirl® and StratoJet® technologies.  The DynaSwirl® bubble generator generates a highly rotating flow to create a very low pressure at the center of a vortex which cavitates. This cavitation results in vortex breakdown near the orifice and generation of very ...


    By Dynaflow, Inc.

  • Benefits of Black Worm Castings, VermaPlex, and Organic Fertilizers

    Over the last couple of years, organic fertilizers such as Black Worm Castings, VermaPlex Specialty Fertilizer, Black Sea Kelp, Coral Calcium, Hydrolyzed Fish, and Liquid Humate Plus, have become increasingly popular. As gardeners and farmers realize the amazing benefits of these amendments, many ...


    By Vermitechnology Unlimited

  • NRG Powers 20 Schools and Irrigation System in Haiti with Solar Energy

    NRG Energy, Inc. (NYSE: NRG) today announced the successful completion of its “The Sun Lights the Way”project in the Boucan Carré region of Haiti. The program entailed the installation of solar electric systems at 20 schools, a fish farm and a drip irrigation system supporting agricultural production throughout Haiti’s Central Plateau region, through collaboration with ...


    By NRG Energy, Inc.

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