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This eggs sorter of David type carries out a very precise selection of healthy eggs and avoids the losses by contagion. It can sort eggs of all the fish species. At the time of the passage of eggs in front of the detection cell, the opaque eggs are located and separated out of healthy eggs.
A cone-shaped net of 10 mesh, 153 micron nylon cloth. Minute plankton are collected and can be observed in the clear 50 mL conical graduated tube at the end of the net. Two tubes are provided. the net mouth is braced by a sturdy brass ring and harness.