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After a few days the larvae are hatching, they
firstly adhere, but then they start freely. After using up the yogbag
the fish are fed with Artemia and then bit by bit with dry feed.
The bigger the fish, the more space is needed for most advantageous
development. To fit this need hatchery basins of different sizes
had to be constructed.
The Koi-carp is sorted and selected in specific
time intervals to have fish of different quality and size in different
basins.
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