Method of culturing zooplankton, apparatus for culturing by the same, and culture obtained by the same
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United States of America Patent
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Issued Date -
Jul 17, 2003
app pub date -
Jan 2, 2003
filing date -
Jul 6, 2000
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Abandoned
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Abstract
The present invention provides a method of culturing zooplankton that allows solids serving as feed for zooplankton to remain in a culture medium, while preventing accumulation of growth inhibitors of zooplankton and growth of bacteria, and an apparatus for culturing by the same. The culture method of the present invention includes removing a growth inhibitor of the zooplankton and/or a water-soluble nutrient for bacteria from a culture medium containing the zooplankton by a solid/liquid separation membrane with perfusion. The culture method of the present invention can produce a culture for use as feed for fishes or crustaceans containing at least 50,000 per ml of highly lively zooplanktons.
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