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The time of zooplankton passage through the gut of tench larvae and their food selectivity was studied on days 17 and 22 of tench larvae life. The gut passage was assessed with a marker method. The marker were Artemia nauplii. In the larvae aged 17 days food passage took 5 h and in larvae aged 22 days-7 h. In the initial period of life the larvae were fed small species of Cladocera and Rotatoria....
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