1. El-Maghraby, E.F., O.M. Elmalky and I.T. El-Ratel, 2019. Effect of type of ovarian antral follicles on oocyte quality and in vitro oocyte maturation in buffaloes. J. Egypt. Vet. Med. Assoc., 79: 317-324.
2. Shamiah, S.M., E.A.E. Ragaa, F.F. Sara, A.M.E. Abeir and I.T. El-Ratel, 2017. Effect of glutathione supplementation to semen extender on cockerel sperm characteristics in semen stored at 5°C for different periods. Egypt. J. Anim. Prod., 1: 17-22.
3. Nagy, W.M., M.A. Abo-Farw, I.T. El-Ratel and A.E. Abdel-Khalek, 2017. Buffalo oocytes maturation in vitro as affected by vitrification of whole ovaries or oocytes. J. Anim. Poult. Prod. Mansoura Univ., 3: 63-67.
4. El-Ratel, I.T., T.M. Dorra, M.A. Sheteifa and A.M. Mansour, 2017. Reproductive performance of doe rabbits as affect by GNRH analogue injection at different post-partum days. Asian J. Anim. Vet. Adv., 12: 103-108.
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5. El-Ratel, I.T., A.E. Abdel-Khalek, M.A. El-Harairy, S.F. Fouda and L.Y. El-Bnawy, 2017. Impact of green tea extract on reproductive performance, hematology, lipid metabolism and histogenesis of liver and kidney of rabbit does. Asian J. Anim. Vet. Adv., 12: 51-60.
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6. El-Ratel, I.T., 2017. Reproductive performance, oxidative status and blood metabolites of doe rabbits administrated with spirulina alga. Egypt. Poult. Sci., 37: 1153-1172.
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7. El-Ratel, I.T., 2017. Impact of lycopene or folic acid treatment on semen quality, blood constituents and fertility of rabbit bucks. Egypt. J. Nutr. Feeds, 20: 213-223.
8. El-Ratel, I.T., 2017. Development of embryos recovered from doe rabbits treated with green tea extract and cultured under high thermal conditions in vitro. Egypt. J. Anim. Prod., 54: 207-214.
9. El-Ratel, I.T. and F.F. Sara, 2017. Effect of magnetic water on production and preservation semen of rabbit bucks. Egypt. Poult., 37: 1187-1202.
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10. El-Moghazy, M.M., I.T. El-Ratel and R.F. El-Buaa, 2017. Effect of ovarian status and follicular size on grade and maturation in vitro of bovine oocytes in relation with follicular fluid composition. J. Anim. Poult. Prod. Mansoura Univ., 8: 83-89.
11. Dorra, T.M., F.F. Sara and I.T. El-Ratel, 2017. Interaction between oocyte type and cumulus cells in maturation medium on developmental competence of rabbit embryos. Global Vet., 1: 74-79.
12. Abdel-Khalek, A.E., M.A. El-Harairy, F.F. Sara, Y.E. Lamiaa and I.T. El-Ratel, 2017. Possibility for improving ovarian activity, cytoplasmic maturation, fertilization and developmental competence in vitro of oocytes by administration of doe rabbits with green tea extract. Egypt. J. Nutr. Feeds, 2: 237-244.
13. Hussein, Y.S., F.F. Sara and I.T. El-Ratel, 2016. Formation rate and cellular count of blastocysts of rabbits as affected by epidermal growth factor supplementation to culture medium of fresh or vitrified morulae. Egypt. J. Rabbit Sci., 2: 255-266.
14. El-Ratel, I.T. and F.F. Sara, 2016. Potentiality of epidermal growth factor or/and cysteamine in maturation medium on in vitro rabbit embryo production and apoptosis. Global Vet., 6: 505-513.
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15. Abo-Farw, M.A., I.T. El-Ratel, A.E. Abdel-Khalek, H.A. Abouelghet and M.M Ghoneim, 2016. Effect of GnRH treatment during luteal phase post mating on reproductive performance of repeat breeder buffalo heifers. Egypt. J. Anim. Prod., 2: 59-64.
16. Abdel-Khalek, A.E., I.T. El-Ratel, W.M. Wafa, H.A. El-Nagar, G.E. Younan and F.F. Sara, 2016. Effect of pre-conception coenzyme Q10 and L-carnitine treatments on ovulatory response, genital characteristics and in vitro embryo characteristics in rabbits. Vet. Adv., 11: 53-59.
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17. Younan, G.E., H.A. El-Nagar, W.M. Wafa, I.T. El-Ratel and A.E. Abdel-Khalek, 2015. Litter size, ovarian characteristics and oocyte in vitro maturation and fertilization of rabbits administrated with coenzyme Q10 and L-carnitine. Egypt. J. Nutr. Feeds, 18: 227-236.
18. Hammad, M.E., S.A. Gabr, I.T. El-Ratel and A.A. Eman, 2015. Vitrification and in vitro maturation and fertilization of bovine oocytes with or without cumulus cell layer. Anim. Poult. Prod. Mansoura Univ., 6: 427-439.
19. El-Ratel, I.T., G.E. Younan, F.F. Sara, W.N. Wafa, H. El-Nagar and A.E. Abdel-Khalek, 2015. The effect of vitrification device and embryonic stage on survival and developmental competence of gabali rabbit embryos Biosci. Res., 1: 27-35.
20. Hammad, M.E., S.A. Gabr, I.T. El-Ratel and A.G. Maha, 2014. Efficacy of different collection techniques on yield and quality of Egyptian buffalo oocytes. Anim. Poult. Prod. Mansoura Univ., 7: 413-422.
21. Tork, M.D., A.E. Abdel-Khalek, A.H. Raya, I.T. El-Ratel, S.A. Fawzy and S.M. Shamiah, 2013. In vitro fertilization of rabbit oocytes in vitro matured by media supplemented with antioxidants. Egypt. J. Nutr. Feed, 12: 435-444.
22. Tork, M.D., E.A. Abdel-Khalek, A.H. Raya, A.F. Soheir, S.M. Shamiah and I.T. El-Rate, 2012. Effects of ascorbic acid and glutathione on in vitro maturation of New Zealand white and Baladi black rabbit oocytes. Egypt. J. Basic Appl. Physiol., 1: 1-15.
23. Abdel-Khalek, A.E., M.D. Tork, S.M. Shamiah and I.T. El-Ratel, 2012. In vitro fertilization and development of in vitro versus in vivo matured rabbit oocytes. Egypt. J. Anim. Prod., 3: 321-327.
24. Tork, M.D., E.A. Abdel-Khalek, A.H. Raya, A.F. Soheir, S.M. Shamiah and I.T. El-Rate, 2008. Superovulatory response of PMSG in combination with HCG or GnRH with reference to ovarian characteristics and oocyte recovery rate in rabbits. Mansoura J. Agric. Sci., 6: 4023-4036.