[1. Nikolovski, M., Atanasov, B., Dovenska, M., Petkov, V., Dovenski, T. (2012). Variations in semen quality parameters of Ovchepolian Pramenka rams according to the method of collection and the meteorological season. Mac Vet Rev 35(2): 79-86.]Search in Google Scholar
[2. Salamon S., Maxwell W. M. C. (2000). Storage of Ram Semen. Animal Reproduction Science 62, 77-111. http://dx.doi.org/10.1016/S0378-4320(00)00155-X10.1016/S0378-4320(00)00155-X]Search in Google Scholar
[3. Aitken, R.J. (1984). Pathophysiology of human spermatozoa. Curr. Opin. Obstet. Gyn. 6, 128-135.10.1097/00001703-199404000-00004]Search in Google Scholar
[4. Maxwell, W.M.C., Watson, P.F., (1996). Recent progress in the preservation of ram semen. Anim. Reprod. Sci. 42, 55-65. http://dx.doi.org/10.1016/0378-4320(96)01544-810.1016/0378-4320(96)01544-8]Search in Google Scholar
[5. Bucak, M.N., Atessahin, A., Yuce, A. (2008). Effect of anti-oxidants and oxidative stress parameters on ram semen after the freeze-thawing process. Small Ruminant Research 75, 128-134. http://dx.doi.org/10.1016/j.smallrumres.2007.09.00210.1016/j.smallrumres.2007.09.002]Search in Google Scholar
[6. Alvarez, J.G., Storey, B.T. (1982). Spontaneous lipid peroxidation in rabbit epididymal spermatozoa: its effect on sperm motility. Biol. Reprod. 27, 1102-1108. http://dx.doi.org/10.1095/biolreprod27.5.1102 PMid:629762710.1095/biolreprod27.5.11026297627]Search in Google Scholar
[7. Alvarez, J.G., Storey, B.T. (1984). Assessment of cell damage caused by spontaneous lipid peroxidation in rabbit spermatozoa. Biol. Reprod. 30, 833-841. http://dx.doi.org/10.1095/biolreprod30.2.323 PMid:623105810.1095/biolreprod30.2.3236231058]Search in Google Scholar
[8. Baumber, J., Ball, B.A., Gravance, C.G., Medina, V., Davies-Morel, M.C.G. (2000). The effect of reactive oxygen species on equine sperm motility, viability, acrosomal integrity, mitochondrial membrane potential and membrane lipid peroxidation. J. Androl. 21, 895-902. PMid:11105916]Search in Google Scholar
[9. Nikolovski M., Petkov V., Trojacanec P., Milovanovic A., Barna A., Atanasov B., Dovenski T. (2012). Cryopreservation of Ovchepolean Pramenka ram semen with different diluents and antioxidants. SEE-ERA.NET PLUS framework project 083 (INDI_SHEEP TRADI_CHEESE); Final Scientifi c Conference, Thermi, Thessaloniki, Greece, 2012; Sustainable production of cheeses from local sheep milk in the Balkans; Book of abstracts pp.13]Search in Google Scholar
[10. de Lamirande, E., Gagnon, C. (1992). Reactive oxygen species and human spermatozoa. I. Effects on the motility of intact spermatozoa and on sperm axonemes. J. Androl. 13, 368-378. PMid:1331006]Search in Google Scholar
[11. Griveau, J. F., Le Lannou, D. (1994). Effects of antioxidants on human sperm preparation techniques. Int. J. Androl., 17, 225-231. http://dx.doi.org/10.1111/j.1365-2605.1994.tb01247.x PMid:769884710.1111/j.1365-2605.1994.tb01247.x7698847]Search in Google Scholar
[12. Lenzi A., Gandini L., Picardo M. (1998). A rationale for glutathione therapy. Hum Reprod.13(6):1419-22. PMid:968836310.1093/oxfordjournals.humrep.a0197089688363]Search in Google Scholar
[13. Irvine, D.S. (1996). Gluthatione as a treatment for male infertility. Rev.Reprod. 1, 6-12. http://dx.doi.org/10.1530/ror.0.0010006 PMid:941443210.1530/ror.0.00100069414432]Search in Google Scholar
[14. Watson PF. (1995). Recent developments and concepts in the cryopreservation of spermatozoa and the assessment of their post-thawing function. Reproduction, Fertility and Development 7, 871-891. http://dx.doi.org/10.1071/RD9950871 Mid:871122110.1071/RD99508718711221]Search in Google Scholar
[15. Mortimer, S. (1997). A critical review of the physiological importance and analysis of sperm movement in mammals. Human Reproduction Update, 3, 5, 403-439. http://dx.doi.org/10.1093/humupd/3.5.403 PMid:952890810.1093/humupd/3.5.403]Search in Google Scholar
[16. E. Del Olmo, A. Bisbal, A. Maroto-Morales, O. Garcia-Alvarez, M. Ramon, P. Jimenez-Rabadan, F. Martinez-Pastor, A.J. Soler, J.J. Garde, M.R. Fernandez-Santos (2013). Fertility of cryopreserved ovine semen is determined by sperm velocity. Animal Reproduction Science 138; 102- 109. http://dx.doi.org/10.1016/j.anireprosci.2013.02.007 PMid:2349792210.1016/j.anireprosci.2013.02.007]Search in Google Scholar
[17. Mortimer, D. (1990). Objective analysis of sperm motility and kinematics. In: Handbook of the Laboratory Diagnosis and Treatment of Infertility. (pp. 97-133). Keel, B.A. and Webster,B.W. (eds), CRC Press, Boca Raton]Search in Google Scholar
[18. Papadopoulos, S., Hanrahan, J.P., Donovan, A., Duffy, P., Boland, M.P., Lonergan, P. (2005). In vitro fertilization as a predictor of fertility from cervical insemination of sheep. Theriogenology 63,150-159. http://dx.doi.org/10.1016/j.theriogenology.2004.04.015 PMid:1558928110.1016/j.theriogenology.2004.04.015]Search in Google Scholar
[19. Rodriguez-Martinez, H. (2003). Laboratory semen assessment and prediction of fertility: still utopia. Reprod. Domest. Anim. 38, 312-318. http://dx.doi.org/10.1046/j.1439-0531.2003.00436.x PMid:1288757010.1046/j.1439-0531.2003.00436.x]Search in Google Scholar
[20. Schneider, C.S., Ellington, J.E., Wright Jr., R.W. (1999). Relationship between bull field fertility and in vitro embryo production using sperm preparation methods with and without somatic cell co-culture. Theriogenology 51, 1085-1098. http://dx.doi.org/10.1016/S0093-691X(99)80013-210.1016/S0093-691X(99)80013-2]Search in Google Scholar
[21. Zhang, B.R., Larsson, B., Lundeheim, N., Rodriguez- Martinez, H. (1998). Sperm characteristics and zona pellucida binding in relation to field fertility of frozen-thawed semen from dairy AI bulls. Int. J. Androl. 21, 207-216. http://dx.doi.org/10.1046/j.1365-2605.1998.00114.x PMid:974935110.1046/j.1365-2605.1998.00114.x9749351]Search in Google Scholar
[22. Soler, A.J., Poulin, N., Fernandez-Santos, M.R., Cognie, Y., Esteso, M.C.,Garde, J.J., Mermillod, P. (2008). Heterologous in vitro fertility evaluation of cryopreserved Iberian red deer epididymal spermatozoa with zona-intact sheep oocytes and its relationship with the characteristics of thawed spermatozoa. Reprod. Domest. Anim. 43, 293-298. http://dx.doi.org/10.1111/j.1439-0531.2007.00893.x PMid:1806753410.1111/j.1439-0531.2007.00893.x18067534]Search in Google Scholar
[23. Gillan, L., Evans, G., Maxwell, W.M.C. (2003). Flow cytometric evaluation of sperm parameters in relation to fertility potential. Theriogenology 63, 445-457. http://dx.doi.org/10.1016/j.theriogenology.2004.09.024 PMid:15626410 10.1016/j.theriogenology.2004.09.02415626410]Search in Google Scholar
[24. Gualtieri, R., Boni, R., Tosti, E., Zagami, M., Talevi, R. (2005). Intracellular calcium and protein tyrosine phosphorylation during the release of bovine sperm adhering to the fallopian tube epithelium in vitro. Reproduction 129, 51-60. http://dx.doi.org/10.1530/rep.1.00374 PMid:1561589810.1530/rep.1.0037415615898]Search in Google Scholar
[25. Garsia-Alvarez, O., Maroto-Morales, A., Martinez- Pastor, F., Fernandez-Santos, M.R., Esteso, M.C., Pirez-Guzman, M.D., Soler, A.J. (2009). Heterologous in vitro fertilization is a good procedure to assess the fertility of thawed ram spermatozoa. Theriogenology 71, 643-650. http://dx.doi.org/10.1016/j.theriogenology.2008.09.036 PMid:1899657810.1016/j.theriogenology.2008.09.03618996578]Search in Google Scholar
[26. O’Meara, C.M., Hanrahan, J.P., Prathalingam, N.S., Owen, J.S., Donovan, A., Fair, S., Ward, F., Wade, M., Evans, A.C., Lonergan, P. (2008). Relationship between in vitro sperm functional tests and in vivo fertility of rams following cervical artificial insemination of ewes with frozen-thawed semen. Theriogenology 69, 513-522. http://dx.doi.org/10.1016/j.theriogenology.2007.12.003 PMid:1824873610.1016/j.theriogenology.2007.12.00318248736]Search in Google Scholar
[27. Garcia-Alvarez, O., Maroto-Morales, A., Ramуn, M., del Olmo, E., Montoro,V., Dominguez- Rebolledo, A.E., Bisbal, A., Jiminez-Rabadan, P., Pirez-Guzman, M.D., Soler, A.J. (2010). Analysis of selected sperm by density gradient centrifugation might aid in the estimation of in vivo fertility of thawed ram spermatozoa. Theriogenology 74, 979-988. http://dx.doi.org/10.1016/j.theriogenology.2010.04.027 PMid:2058007710.1016/j.theriogenology.2010.04.02720580077]Search in Google Scholar
[28. Malo, A.F., Garde, J.J., Soler, A.J., Garcia, A.J., Gomendio, M., Roldan, E.R. (2005). Male fertility in natural populations of red deer is determined by sperm velocity and the proportion of normal spermatozoa. Biol.Reprod. 72, 822-829. http://dx.doi.org/10.1095/biolreprod.104.036368 PMid:1557682310.1095/biolreprod.104.03636815576823]Search in Google Scholar
[29. Gage, M.J., Macfarlane, C.P., Yeates, S., Ward, R.G., Searle, J.B., Parker, G.A. (2004). Spermatozoal traits and sperm competition in Atlantic salmon: relative sperm velocity is the primary determinant of fertilization success. Curr. Biol. 14, 44-47. http://dx.doi.org/10.1016/j.cub.2003.12.028 PMid:1471141310.1016/j.cub.2003.12.028]Search in Google Scholar
[30. Holt, W.V., Shenfield, F., Leonard, T., Hartman, T.D., North, R.D., Moore, H.D. (1989). The value of sperm swimming speed measurements in assessing the fertility of human frozen semen. Hum. Reprod. 4, 292-297. PMid:271530410.1093/oxfordjournals.humrep.a1368912715304]Search in Google Scholar
[31. Anel-Lopez, L., Alvarez-Rodriguez, M., Garcia- Alvarez, O., Alvarez, M., Maroto-Morales, A., Anel, L., de Paz, P., Garde, J.J., Martinez-Pastor, F. (2012). Reduced glutathione and Trolox (vitamin E) as extender supplements in cryopreservation of red deer epididymal spermatozoa. Anim. Reprod. Sci., 135; (1-4): 37-46. http://dx.doi.org/10.1016/j.anireprosci.2012.09.00110.1016/j.anireprosci.2012.09.00123021747]Search in Google Scholar
[32. Animal protection and welfare act 113/07. Official Gazette of the Republic of Macedonia. 20.09.2007.]Search in Google Scholar
[33. Ashrafi,I., Kohram, H., Naijian, H., Poorhamdollah, M., Mirzakhani, H. (2011). Effect of controlled and uncontrolled cooling rate on motility parameters of cryopreserved ram spermatozoa. African Journal of Biotechnology 10(44), 8965-8969.10.5897/AJB11.1076]Search in Google Scholar
[34. Mortimer, S.T., Maxwell, W.M.C. (2004). Effect of medium on the kinematics of frozen-thawed ram spermatozoa. Reproduction 127, 285-291. http://dx.doi.org/10.1530/rep.1.00075 PMid:1505679410.1530/rep.1.0007515056794]Search in Google Scholar
[35. Dovenski, T., Trojacanec, P., Petkov, V., Popovska- Percinic, F., Dovenska, M., Atanasov, B., Ilievska, K., Mickov, L., Nikolovski, M. (2012). Laparocscopic intrauterine artificial insemination by deep-frozen/ thawed ram semen from Ovchepolean Pramenka breed. SEE-ERA.NET PLUS framework project 083 (INDI_SHEEP TRADI_CHEESE); Final scientific conference, Thermi, Thessaloniki, Greece; Sustainable production of cheeses from local sheep milk in the Balkans; Book of abstracts pp. 12 ]Search in Google Scholar