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Turkish Journal of Fisheries and Aquatic Sciences 2017, Vol 17, Num, 5     (Pages: 1003-1007)

Effects of Tribulus Terrestris Extract on Growth and Reproductive Performance of Male Convict Cichlid (Cichlasoma nigrofasciatum)

Sakineh Yeganeh 1 ,Azam Sotoudeh 1 ,Ahmad Nosrati Movaffagh 1

1 Sari Agricultural Sciences and Natural Resources University, Department of Fisheries, Faculty of Animal Sciences and Fisheries, Km 9 Darya Boulevard, P.O. Box: 578, Sari, Iran DOI : 10.4194/1303-2712-v17_5_15 Viewed : 3695 - Downloaded : 8905 This study evaluated the effects of diet containing 1 and 2 g kg-1 T. terrestris extract on growth and reproductive performance of male Convict cichlid (C. nigrofasciatum). 117 male C. nigrofasciatum with an average initial weight of 2.30 ± 0.04 g were distributed into glass aquariums (13 fish/tank) in 3 replicates. The highest weight gain was obtained in 1 g kg-1 (123.83 ± 6.41 g) followed by 2 g kg-1 extract (121.13 ± 8.09 g) and control (80.10 ± 11.71 g) group (P< 0.05). In groups that received extract, specific growth rate increased significantly (P< 0.05). Comparison of feed conversion ratio and condition factor in different treatments indicates no significant differences (P> 0.05). Protein levels of dried body decreased after feeding the fish with extract (P< 0.05). Fish fed with extract showed higher lipid and moisture content than fish fed by control diet (P< 0.05). The highest belly diameter was observed in treatment containing 1 g kg-1 extract (9.93 ± 0.23 cm, P< 0.05). Fertilization (%) decreased significantly in 2 g kg-1 extract when compared with control and other group (P< 0.05). The highest amount of hatching rate (%) was observed in 1 g kg-1 (94.24 ± 3.01) and its least amount was found in 2 g kg-1 extract (72.65 ± 0.23, P> 0.05). Keywords : Cichlasoma nigrofasciatum, Growth, Reproductive performance, Tribulus terrestris