Eight adult male camels were used for semen collection during rutting season (Nov.2001-March,2002). By using the recently invented “El-Hassanein Camel Dummy" at Maryout Research Station of Desert Research Center. Sucrose and Tris and their combinations were used for preparing five extenders for camel semen. Dilution to 150x10⁶ motile sperms/ml was carried out in two steps. Diluted semen filled in 0.5ml straws. Three freezing and two thawing rates were applied to evaluate spermatozoa freezability and post-thawing viability. Progressive motility (PPM) and acrosomal integrity (PIA) were evaluated post-dilution and at 0, 2 and 4 hours of post-thawing incubation. The new collection technique significantly improved the quantity and quality of the delivered semen. The obtained semen volume, ejaculate concentration, progressive motility and acrosomal integrity averaged 15.3 + 1.15 ml, 810.3 +2.21x10⁶ sperm/ml, 81.6 + 1.01% and 89.7+ 1.94%, respectively. Dilution of camel spermatozoa in a Sucrose-Tris extender significantly reduced dilution effect on spermatozoa viability and improved their freezability and their post-thawing viability. Slow and rapid-thawing rates had a relatively comparable effect on post-thawing viability. However, the optimum viability was achieved in semen frozen rapidly (at -140°C for 15 min.) and thawed slowly (at 40°C for 3D sec.) after dilution in an extender composed of: 4.38% (g/v) sucrose 1.592% (g/v) Tris, 0.872 % (g/v) citric acid monohydrate, 20 % (v/v) egg-yolk, 3.5 % (v/v) glycerol, 1000 iu penicillin/ml and 1000 μg streptomycin vial. Estimated reductions in PPM pre-freezing, post-thawing and after 2 and 4 hours of incubation post-thawing were 5.5, 6.1, 23.3 and 42.5%, respectively. Corresponding reductions in PIA were 5.9, 9.1, 15.7 and 35.3%, respectively.  Consequently, it is concluded that combination of sucrose and Tris in camel semen extender has positive effect on viability of spermatozoa after dilution, freezing and post-thawing incubation.