الفهرس | Only 14 pages are availabe for public view |
Abstract The plan of this work was designed to fulfill the following : 1-Studying the effect of 17 a methyl testosterone hormone on sex reversal ratio and growth parameters in nile tilapia. 2-Evaluation of the hormonal residue in the fish tissue during and after monosex hormonal treatment. 3-Histological studies of different tissues of monosex hormonal treated fish. 4-Cytogenitical micronucleus examination of monosex hormonal treated fish. 5- Studying the effect of 17 a methyl testosterone hormone on the health status of treated fishes exposed to experimental infection. |