[1] Donkin, E.F. and Boyazoglu, P.A. (2000) Milk Production from Bucks for Household and Small-Scale Farmers in South Africa. University of Pretoria, Pretoria.
[2] Agricultural Research Council (2006) The Indigenous Buck Breeds of South Africa.
http://www.arc.agric.za/home.asp?pid=2701
[3] Leboeuf, B., Restall, B. and Salamon, S. (2000) Production and Storage of Goat Semen for Artificial Insemination. Animal Reproduction Science, 62, 113-114.
http://dx.doi.org/10.1016/S0378-4320(00)00156-1
[4] Jiménez-Rabadán, P., Ramón, M.,García-álvarez, O., Maroto-Morales, A., Del Olmo, E., Pérez-Guzmán, M.D., Bisbal, A., Fernández-Santos, M.R., Garde, J.J. and Soler, A.J. (2012) Effect of Semen Collection Method (Artificial Vagina vs. Electroejaculation), Extender and Centrifugation on Post-Thaw Sperm Quality of Blanca-Celtibérica Buck Ejaculates. Animal Reproduction Science, 132, 88-95.
http://dx.doi.org/10.1016/j.anireprosci.2012.04.005
[5] Wulster-Radcliffe, M.C., Williams, M.A., Stellflug, J.N. and Lewis, G.S. (2001) Technical Note: Artificial Vagina vs. a Vaginal Collection Vial for Collecting Semen from Rams. Journal of Animal Science, 79, 2964-2967.
[6] Santiago-Moreno, J., Coloma, M.A., Dorado, J., Pulido-Pastor, A., Gómez Guillamon,F., Salas-Vega, R., Gómez- Brunet, A. and López-Sebastián, A. (2009) Cryopreservation of Spanish Ibex (Capra pyrenaica) Sperm Obtained by Electro-Ejaculation Outside the Rutting Season. Theriogenology, 71, 1253-1260.
http://dx.doi.org/10.1016/j.theriogenology.2008.12.019
[7] Palmer, C.W. (2005) Welfare Aspects of Theriogenology: Investigating Alternatives to Electro-Ejaculation of Bulls. Theriogenology, 65, 469-479.
http://dx.doi.org/10.1016/j.theriogenology.2005.05.032
[8] Marco-Jiménez, F., Vincente, J.S. and Vludes-De-Castro, M.P. (2008) Seminal Plasma Composition from Ejaculates Collected by Artificial Vagina and Electro-Ejaculation in Guirra Ram. Reproduction in Domestic Animals, 43, 403-408.
http://dx.doi.org/10.1111/j.1439-0531.2007.00923.x
[9] Batista, M., Nino, T., Alamo, D., Castro, N., Santana, M., González, F., Cabrera, F. and Gracia, A. (2009) Successful Artificial Insemination Using Semen Frozen and Stored by an Ultra Freezer in the Majorera Buck Breed. Theriogenology, 71, 1307-1315.
http://dx.doi.org/10.1016/j.theriogenology.2008.12.024
[10] Udeh, I. and Oghenesode, B. (2011) Effect of Extender and Storage Conditions on the Motility of Buck Spermatozoa. International Journal of Animal and Veterinary Advances, 5, 282-286.
[11] Marco-Jiménez, F., Puchades, S., Vincente, J.S. and Vludes-De-Castro, M.P. (2005) Effect of Semen Collection Method on Pre- and Post-Thaw Guirra Ram Spermatozoa. Theriogenology, 64, 1756-1765.
http://dx.doi.org/10.1016/j.theriogenology.2005.04.006
[12] Carter, P.D., Hamilton, P.A. and Duffy, J.H. (1990) Electro Ejaculation in Bucks. Australian Veterinary Journal, 67, 91-93.
http://dx.doi.org/10.1111/j.1751-0813.1990.tb07712.x
[13] Mosure, W.L., Meyer, R.A., Gudmondson, J. and Barth, A.D. (1998) Evaluation of Possible Methods to Reduce Pain Associated with Electro Ejaculation in Bull. Canadian Veterinary Journal, 39, 504-506.
[14] Ortiz-de-Montellano, M., Galindo-Maldonado, F., Cavazos-Arizpe, E.O., Aguayo-Arceo, A.M., Torres-Acosta, J.F. and Orihuela, A. (2007) Effect of Electro-Ejaculation on the Serum Cortisol Response of Criollo Bucks (Capra hircus). Small Ruminant Research, 69, 228-231.
http://dx.doi.org/10.1016/j.smallrumres.2005.12.025
[15] Orihuela, A., Aguire, V., Hernandez, C., Flores-Perez, I. and Vazquez, R. (2009) Breaking down the Effect of Electro-Ejaculation on the Serum Cortisol Response, Heart and Respiratory Rate in Hair Sheep (Ovis aries). Journal of Animal Veterinary Advances, 8, 1969-1972.
[16] Jane, E.J., William, R.B. and Dawn, W.B. (1996) Manual versus Computer-Automated Semen Analyses. Determination or the Working Range of a Computer-Automated Semen Analyzer. Fertility and Sterility, 65, 156-159.
[17] Mortimer, S.T. (2000) CASA-Practical Aspects. Journal of Andrology, 21, 515-524.
[18] Foote, R.H. (2003) Fertility Estimation: A Review of Past Experience and Future Prospects. Animal Reproduction Science, 75, 119-139.
http://dx.doi.org/10.1016/S0378-4320(02)00233-6
[19] Wilhelm, K.M., Graham, J.K. and Squires, E.L. (1996) Comparison of the Fertility of Cryopreserved Stallion Spermatozoa with Sperm Motion Analyses, Flow Cytometric Evaluation, and Zona-Free Hamster Oocyte Penetration. Theriogenology, 46, 559-578.
http://dx.doi.org/10.1016/0093-691X(96)00209-9
[20] Holt, C., Holt, W.V., Moore, H.D., Reed, H.C. and Curnock, R.M. (1997) Objectively Measured Boar Sperm Motility Parameters Correlate with the Outcomes of On-Farm Inseminations: Results of Two Fertility Trials. Journal of Andrology, 18, 312-323.
[21] Farrell, P.B., Presicce, G.A., Brockett, C.C. and Foote, R.H. (1998) Quantification of Bull Sperm Characteristics Measured by Computer-Assisted Sperm Analysis (CASA) and the Relationship to Fertility. Theriogenology, 49, 871-879.
http://dx.doi.org/10.1016/S0093-691X(98)00036-3
[22] Webb, E.C., Dombo, M.H. and Roets, M. (2004) Seasonal Variation in Semen Quality of Gorno Altai Cashmere Bucks and South African Indigenous Bucks. South African Journal of Animal Science, 34, 240-243.
[23] Matshaba, B. (2010) Characterization and Cryopreservation of South African Unimproved Indigenous Buck Semen. Master’s Dissertation, University of Free State, Bloemfontein.
[24] Talebi, J., Souri, M., Moghaddam, A., Karimi, I. and Mirmahmoodi, M. (2009) Characteristics and Seasonal Variation in the Semen of Markhoz in Western Iran. Small Ruminant Research, 85, 18-22.
http://dx.doi.org/10.1016/j.smallrumres.2009.06.017
[25] Ramukhithi, F.V. (2011) Characterisation and Cryopreservation of South African Unimproved Indigenous and Boer Buck Semen. Master’s Dissertation, Tshwane University of Technology, Pretoria.
[26] Ramukhithi, F.V., Nedambale, T.L., Sutherland, B. and Lehloenya, K.C. (2011) Cryopreservation of South African Indigenous Buck Semen. African Journal of Biotechnology, 77, 17898-17902.
[27] Batista, M., Nino, T., Santana, M., Alamo, D., Castro, N., Reyes, R., González, F., Cabrera, F. and Gracia, A. (2011) Influence of the Preservation Temperature (37, 20, 4, -196 ℃). Reproduction in Domestic Animals, 46, 281-288.
http://dx.doi.org/10.1111/j.1439-0531.2010.01659.x
[28] Prins, G.S. (1999) Semen. In: Knobil, E. and Neill, J.D., Eds., Encyclopedia of Reproduction 4, Academic Press, San Diego, 360-367.
[29] Ngoula, F., Tebug, T.T., Kenfack, A., Defang, F.H., Tendokeng, F. and Pamo, T.E. (2012) Effect of Buck Age, Storage Duration, Storage Temperature and Diluents on Fresh West African Dwarf Semen. Journal of Reproduction and Infertility, 3, 58-66.
[30] Sundararaman, M.N., Kalatharan, J. and Edwin, M.J. (2007) Attempts to Achieve Semen Collection from Incapacitated Boars by Electro-Ejaculation. Journal of Animal Veterinary, 4, 244-246.
[31] Latif, A., Ijaz, A., Aleem, M. and Mahmud, A. (2005) Effect of Osmotic Pressure and pH on the Short-Term Storage and Fertility of Broiler Breeder Sperm. Pakistan Veterinary Journal, 25, 180-182.
[32] Oyeyemi, M.O., Akusu, M.O. and Ola-Davies, O.E. (2000) Effect of Successive Ejaculations on the Spermiogram of West African Dwarf Bucks (Capra hircus L.). Veterinarski Arhiv Journal, 70, 215-221.
[33] Nur, Z., Dogan, I., Gunay, U. and Soylu, M.K. (2005) Relationships between Sperm Membrane Integrity and Other Semen Quality Characteristics of the Semen of Saanen Bucks. Bulletin of Veterinary Institute in Pulawy, 49, 183-187.