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1 Electronic Journal of Polish Agricultural Universities. Series Fisheries

1 1998

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Effects of different duration of feeding on results of carp [Cyprinus carpio] fry cage culture in cooling water

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Sadowski J. , Filipiak J. , Trzebiatowski R.

Electronic Journal of Polish Agricultural Universities. Series Fisheries

1998

tom 01

nr 1

The Safir trout feed (Aller Aqua) was offered to carp (Cyprinus carpio) fry of 21 + 5 g/ind. initial weight, stocked at a density of 300 ind./m3 in cages placed in cooling water. Identical rations (5 4.0% metabolic weight) were offered for 6, 12, and 18 h per day. The data obtained showed the best results (as indicated by SGR and FCR) of culturing carp of up to about 75 g individual weight were obtained when the feeding took 18 h, 12 18 h being the best duration of feeding for the carp weighing 75 130 g. No effect of duration of feeding was observed in the carp weighing more than 130 g.