Impact of Cryopreservation Techniques on Embryos Viability and Normality in Awassi Sheeps

[1]       Shaw, J.M.,  Cox, S.L., Trounson, A.O. and  Jenkin, G. 2000 .  Evaluation of the long-term function of cryopreserved  ovarian grafts in the mouse, implications for human applications. Mol Cell Endocrinol, 161:103-110.                                   

[2]       Ayalew, E. and Lemma, A.  2010. Evaluation of cryopreservation methods and extender types for storage of donkey semen. As part of DVM thesis, Faculty of  Veterinary Medicine, Addis Ababa University.                                                    

[3]       Ataya, K. and Moghissi, K. 1989. Chemotherapy-induced premature ovarian failure: mechanisms and prevention. Steroids, 54:607–26.                                           

[4]       Hsieh, Y.Y., Tsai, H.D., Chang, C.C., Chang, C.C., Lo, H.Y. and Lai, A.C. 1999. Ultrarapid cryopreservation of human embryos: experience with 1,582 embryos. Fertil. Steril, 72: 253–6.                                                                                                        

[5]       Elnahas, A.,  Alcolak, E., Marar, E.A.,  Elnahas, T., Elnahas, K., Palapelas, V., Diedrich, K. and Al-Hasani S.2010. Vitrification of human oocytes and different development stages of embryos: an overview Middle East Fertil Soc J, 15: 2–9.                                                                                                                              

[6]       Kuwayama, M., Vajta, G., Kato, O and Leibo, S.P. 2005. Highly efficient vitrification method for cryopreservation of human oocytes. Reprod Biomed Online 11: 300–308.                                                                                                                     

[7]       Kuwayama M. 2007. Highly efficient vitrification for cryopreservation of human oocytes and embryos: the Cryotop method. Theriogenology, 67(1): 73-80. 

[8]       Fakhrildin, M.B.M.R. and Al-Moussawi, R. H. A. 2013. Effect of two types and two concentrations of cryoprotectants on ovine oocytes morphology and viability post-vitrification Iraqi J. Embryos and Infertility Researches 3:64-75.                                                                                                                                 

[9]       Rezk, W. A. K. 2009. Studies on In Vitro fertilization in Camels (Camelus dromedaries) Faculty of Agriculture Animal Production Department Mansoura University (PhD thesis).                                                                        

[10]   Wang, Z.G.; Xu, Z.R. and Yu, S.D. 2007.Effects of oocyte collection techniques and maturation media on in vitro maturation and subsequent embryo development in Boer goat Anim. Sci., 52, (1): 21–25.             

[11]   De Felici, M. and Siracusa, G. 1982: Spontaneous hardening of the zona pellucida of mouse oocytes during in vitro culture. Gamete. Res., 6: 107-113.                 

[12]   Crozet, N., Huneau, D., Desmedt, V., Théron, M.-C., Szöllösi, D., Torrès, S. and Sévellec, C. 1987. In vitro fertilization with normal development in the sheep. Gamete Res., 16: 159–170.                                                                                                                              

[13]   Alberto, R.,  Stefano, C.,  Andrea, C.,  Claudia, F.,  Carlotta, P., Gianluca, G.,  Luisa, D. P. and Chiara, B.  2019. Impact of the addition of Early Embryo Viability Assessment to morphological evaluation on the accuracy of embryo selection on day 3 or day 5: a retrospective analysis Journal of Ovarian Research volume 12, Article number: 73 .                                                                 

[14]   Jihui, Ai, Lei, Jin, Y.u. Zheng, Peiwen Yang, Bo Huang and Xiyuan, D. 2021. The Morphology of Inner Cell Mass Is the Strongest Predictor of Live Birth After a Frozen-Thawed Single Embryo Transfer Front. Endocrinol., 24 February  | https://doi.org/10.3389/fendo.2021.621221.