Tonsy, H., Mahmoud, S., Labib, E., Zaki, M. (2011). Effect of some medicinal plants diets on the mono-sex Nile Tilapia (Oreochromis niloticus), growth performance, feed utilization and some physiological parameters. Egyptian Journal of Aquatic Biology and Fisheries, 15(2), 53-72. doi: 10.21608/ejabf.2011.2101
Hayam Tonsy; Samy Mahmoud; Eman Labib; Mohamed Zaki. "Effect of some medicinal plants diets on the mono-sex Nile Tilapia (Oreochromis niloticus), growth performance, feed utilization and some physiological parameters". Egyptian Journal of Aquatic Biology and Fisheries, 15, 2, 2011, 53-72. doi: 10.21608/ejabf.2011.2101
Tonsy, H., Mahmoud, S., Labib, E., Zaki, M. (2011). 'Effect of some medicinal plants diets on the mono-sex Nile Tilapia (Oreochromis niloticus), growth performance, feed utilization and some physiological parameters', Egyptian Journal of Aquatic Biology and Fisheries, 15(2), pp. 53-72. doi: 10.21608/ejabf.2011.2101
Tonsy, H., Mahmoud, S., Labib, E., Zaki, M. Effect of some medicinal plants diets on the mono-sex Nile Tilapia (Oreochromis niloticus), growth performance, feed utilization and some physiological parameters. Egyptian Journal of Aquatic Biology and Fisheries, 2011; 15(2): 53-72. doi: 10.21608/ejabf.2011.2101
Effect of some medicinal plants diets on the mono-sex Nile Tilapia (Oreochromis niloticus), growth performance, feed utilization and some physiological parameters
1Animal Production Research Institute, Agriculture research Center, Dokki, Giza, Egypt
2Faculty of Agriculture, Alexandria University, Al-Shatby, Egypt.
Abstract
he effects of diets supplemented with six different medical plants (fenugreek meal (FM), (Trigonella foenum-graecum); fenugreek sprouts meal (FSM); eucalyptus fresh leaves (EFL), (Eucalyptus citriodora); hot pepper meal (HPM) (Capsicum frutescens L. var. abbreviatum); thyme seeds meal (TSM) (Thymus vulgaris) and chamomile flowers meal (CFM), (Matricaria recutita L) at three levels (0.00; 1.00 and 2.00 %) on the growth performance, feed utilization and whole body composition and some physiological parameters of the Nile tilapia (Oreochromis niloticus) fry were studied. Fish were reared in twenty six glass aquaria (100 L volume of water /aquarium; duplicates per treatment) with an average initial weight of 0.82 ± 0.3 g/fish. Thirteen experimental diets were formulated to contain 30% crude protein and 438.09 Kcal gross energy /100 g. Results obtained are summerized in the following: 1-Regardless of levels, averages of growth performance and feed utilization parameters that affected with medicinal plants, the best were for FSM diets (P≤0.05) followed by a significant decreased order of FM; EFL; HPM and both TSM and CFM, respectively. 2-Regardless of medicinal plants sources, averages of growth performance and feed utilization parameters that affected with levels medicinal plants the best were (P≤0.05) for supplementation level of 1 %, follwed by a significant decreased order of 0.00 and 2.00 % level, respectively. 3-Concerning the interaction between medicinal plants sources and their levels (0.00, 1.00 and 2.00 %) the highest growth performance and feed utilization values (P≤0.05) were obtained in group 1 % FSM (diet No.4), while the lowest was recorded by the group 2 % TSM (diet No.11). 4- About interactions between medicinal plants sources and their levels; it was observed that the lowest total plasma protein (g/dl), total plasma lipid (g/dl), Hb (g/dl), Ht (%), AST (U/L), ALT (U/L) and uric acid concentrations (mg/dl) parameters were obtained by group 1 % FSM (diet No.4), while the highest values were recorded by the 2 % TSM (diet No.11). In general, and based on the obtained results, it could be concluded that addition of 1 % FSM is optimal for growth of the mono-sex Nile tilapia, O. niloticus, fingerlings without any adverse effect on fish health.
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