Clinical, cytogenetic and histomorphologic studies on caprine hermaphroditism Sperm motility, freezability, acrosomal integrity and acrosin activity in relation to fertility of frozen buffalo semen Assessment of the reproductive performance in mares using diagnostic ultrasound. Monitroing the post partum ovarian activity and pregnancy in she goast with normal and abnormal parturition by measuring milk and fecal progesterone. Evaluations of cytological picture of vaginal smears and plasma progesterone profile as a tool for monitoring the reproductive pattern in normal foaling Arabian Mares. Scrotal biometry and histomorphological examination of the testes and epididymis for classification and selection of yearling rams. Some trails to improve the reproductive efficiency of subestrus buffalo cows using PGF2 α- at mid luteal phase. Confirmation of sexual behaviour during post-partum period in female Zariabi goats using luteininzing hormone The effect of Methotreaxate on the reproductive efficiency of male New Zealand rabbits. Effect of tyrosine on the pars distalis of the rabbits hypophysis. New trends regarding the diagnosis, prognosis and treatment of uterine torsion in buffaloes. A trial for prediction of pregnancy, fetal viability and number and parturition status using esterone sulphate profiles in blood, saliva and feces of goats. Clinical approach for assessment the reproductive status in ewes. Clinical approach for assessment the reproductive status in ewes. Some post-breeding treatments for improving fertility in mares. Evaluation of buffalo-bulls by using modified serving capacity test and diagnostic ultrasound. Field trials for the treatment of repeat breeding buffalo-cows due to infectious endometritis. Synchronization of ovulation as a field trial for improvement of fertility in buffaloes. Management of dystocia in small ruminants. Effect of bull age and storage period on viability and fertilizing capacity of buffalo frozen semen. Effect of some treatment on milt character and histological structure of the testis in common carp. Some Antioxidant Activities and Fatty Acid composition in the Follicular and Their Relation to Size of Follicle and Quality of Oocyte in She- Camels ( Camelus dromedarius) An Approach for detection of Neospora Caninum Infection in Aborted Bovine Fetuses in Egypt. Profiles of Circulating Steroid Hormones, Gonadotropins, Immunoreactive Inhibin and Prolactin during Pregnancy in Goats and Immunolocalization of Inhibin Subunits, Steroidogenic Enzymes and Prolactin in the Corpus Luteum and Placenta. Ovarian Follicular Dynamics and Hormonal Changes in Goats during Early Pregnancy. synchronization of ovulation as a field trial for improvement of fertility in buffaloes Management of Dystocia In Small Ruminants a field trials for monitoring the postpartum ovarian activity in dairy cows Evidence of melatonin synthesis in the cumulus oocyte complexes and its role in enhancing oocyte maturation in vitro in cattle. Evaluation of Viability and Nuclear Status in Vitrified Mature Buffalo Oocytes Ultrasound Imaging of the Testes and Accessory Sex Glands in Buffalo Bulls Treated with Gonadotrophic Releasing Hormone. Follicular turnover and hormonal association in postpartum goats during early and late lactation. Sperm Characteristics in Cryopreserved Buffalo Bull Semen and Field Fertility Facts around Mitochondrial Shape, Reorganization and Oocyte Maturation The effect of cryodevice and cryoprotectant concentration on buffalo oocytes vitrified at MII stage Effect of Methyl-B-Cyclodextrin (MBCD) on In Vitro Capacitation of Buffalo Frozen/Thawed Sperm Effect of Cumulus Cells and Meiotic Stages on Survivability and Meiotic Competence in Vitrified Buffalo Oocytes Effect of Season of the year and Ovarian Structures on Oocytes Recovery Rate, Quality and Meiotic Competence in Egyptian Buffaloes The biochemical effects of bee pollen suspension on prostatitis induced experimentally in rats Ultrasonographic, Cytological and Bacteriological Investigation of Endometritis in Arabian Mares Analysis of chromatin integrity and DNA damage of buffalo spermatozoa Evaluation of In Vitro Capacitation of Buffalo Frozen/Thawed Sperm by Different Techniques Effect of using ascorbic acid and cysteamine supplementation on in-vitro development of buffalo embryos Effect of melatonin and/or cysteamine on development and vitrification of buffalo embryos Influence of Epidermal Growth Factor with Cysteamine on in -Vitro Buffalo Embryo Development Single Nucleotide Polymorphisms of GnRHR Gene and Its Relationship with Reproductive Performance in Egyptian Buffaloes Effectiveness of Using Brilliant Cresyl Blue Staining for Quality Evaluation and Developmental Competence of Immature and Mature Buffalo Oocytes Genetic Polymorphism of Luteinizing Hormone Receptor Gene in Relation to Fertility of Egyptian Buffalo Effects of cysteamine during in vitro maturation on viability and meiotic competence of vitrified buffalo oocytes Effect of Season of the year and Ovarian Structures on Oocytes Recovery Rate, Quality and Meiotic Competence in Egyptian Buffaloes Evaluation of Viability and Nuclear Status in Vitrified Mature Buffalo Oocytes The effect of cryodevice and cryoprotectant concentration on buffalo oocytes vitrified at MII stage  Sperm Characteristics in Cryopreserved Buffalo Bull Semen and Field Fertility Effect of Cumulus Cells and Meiotic Stages on Survivability and Meiotic Competence in Vitrified Buffalo Oocytes Genotyping of Follicle Stimulating Hormone Receptor Gene in Fertile and Infertile Buffalo