DIET OF RUTILUS FRISII KLLTUM X CTENOPHARYNGODON IDELLA HYBRID
2001
H. Khara; A. Keyvan; Sh. Nezami; K. Mehdinezhad; T. Mohmmadjani
This research project was carried out in Gulian Fisheries Research Center in 1998. For this purpose, two ponds were selected: Pond No. 1 with 450m2 area and pond No.2 with 250m2 area and then 3500 pieces/hectar of hybrids with 5-7g weight were added to the ponds. In order to determine their main food, they were fed by pelletes and grass according to their mean weight. Meanwhile, by adding mineral and organic fertilizers to the water, a suitable media including phytoplanktons, zooplanktons and benthoses were prepared for feeding of fishes. The stomach contents observations of 160 specimen of hybrids showed that this hybrid is a herbivorous fish and macrophytes were their main diet; and phytoplanktons could be considered as the secondary random food.
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