Improvement in eel growth rate! Introducing a case study of the UFB generation device for aquaculture.
We would like to introduce a case study of the introduction of UFB generation equipment for aquaculture to Dream Workers Co., Ltd., which engages in the wholesale import and sale of eel fry. Eel fry were raised in a 1.5-ton tank. During the testing period, UFB was continuously circulated, with oxygenated water being circulated for 8 hours a day (4 hours in the morning and 4 hours in the evening). The growth rate of the eels improved, water clarity increased, and water quality improvement effects were observed. Out of 200 eels raised, approximately 30 individuals (15%) grew to over 20 cm in size. 【Case Overview】 ■ Testing Cooperation: Dream Workers Co., Ltd. ■ Test Subject: Bicolor species ■ Terms - Continuous UFB pump operation - Daily switch to UFB oxygenated water for 8 hours, with pump operation ■ Duration: 20 days from July 29, 2021, to August 17, 2021 ■ Evaluation: Observation of growth and size comparison with the control period *For more details, please refer to the PDF document or feel free to contact us.
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【Comparison of Eel Fry Sizes (Excerpt)】 ■Initial Rearing: 15cm ■After 20 Days of Conventional Period: 17cm ■After 20 Days of Testing Period: 23.5cm *For more details, please refer to the PDF document or feel free to contact us.
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"Ultrafine bubbles (UFB)" are utilized in various fields such as agriculture, fisheries, home appliances, medical care, various industries, and energy-related industries. "Fine bubbles" are classified into two types based on bubble size: micro-sized "microbubbles (Micro-Bubble: MB)" and nano-sized "ultrafine bubbles (Ultrafine-Bubble: UFB)" (previously referred to as "nanobubbles"). These bubbles not only differ in size but also possess various characteristics that are distinct from the millimeter-sized bubbles (millibubbles) typically seen. Our developed UFB generation device, the "Shibata Engine," adopted by major home appliance manufacturers, produces ultra-fine bubbles with a central diameter of 100 nm at high concentration with a single pass at tap water pressure. It is supplied to various industries, including home appliances, showerheads, and cleaning devices, as well as agriculture and food processing. [Features] - Can be integrated into existing products, equipment, and piping, and can also be utilized as components. - Capable of producing functional water such as ozone, oxygen, carbon, hydrogen, and nitrogen through gas-liquid mixing. - Compact and lightweight, allowing it to be used as a component in home appliances, various pumps, water supply systems, showers, etc. - Customizable according to pressure and flow rate.
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