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Ljubobratovic U.,Research Institute for Fisheries and Aquaculture NAIK HAKI | Kucska B.,University of Kaposvar | Feledi T.,University of Belgrade | Poleksic V.,University of Belgrade | And 5 more authors.
Turkish Journal of Fisheries and Aquatic Sciences | Year: 2015

The effects of different weaning strategies on survival, cannibalism and growth were investigated in pikeperch (Sander lucioperca) larvae. Two weaning strategies were tested with 15 days post hatch (DPH) larvae: Co-feeding and Supplementary feeding. Co-feeding was performed with Artemianauplii and dry feed by the gradual reduction of nauplii either @ 25% day-1 or 14% day-1, whereas supplementary feeding was performed with sudden weaning to exclusively dry feed while Artemianauplii was the last meal of the day. Each strategy was tested in two time durations, for 4 and 7 days. Co-feeding weaning strategy seems to be more beneficial compare to supplementary feeding weaning strategy in response of lower mortality (%), higher growth and finally maximum total yield. Even though higher cannibalism was found in the larvae weaned for 7 days from 15-22 DPH but higher growth and survival in this group make this weaning strategy better than larvae weaned for 4 days from 15-19 DPH. Therefore, it is concluded that the co-feeding weaning strategy for 7 days from 15 to 22 DPH should be followed for successful larviculture of pikeperch. © Published by Central Fisheries Research Institute (CFRI) Trabzon, Turkey. Source

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