References

Assumpcao, T.I., R.A.A.T. Junior, M.V. Sousa and C.A.O. Ricart, 2005. Correlation between fertility and levels of protein, sugar and free amino acids in seminal plasma of Nelore bulls. Braz. Arch. Vet. Anim. Sci., 57: 55-61.
CrossRef  |  Direct Link  |  

Barrios, B., R. Perez-Pe, M. Gallego, A. Tato, J. Osada, T. Muino-Blanco and J.A. Cebrian-Perez, 2000. Seminal plasma proteins revert the cold-shock damage on ram sperm membrane. Biol. Reprod., 63: 1531-1537.
CrossRef  |  Direct Link  |  

Calvete, J.J., S. Nessau, K. Mann, L. Sanz, H. Sieme, E. Klug and E. Topfer-Petersen, 1994. Isolation and biochemical characterization of stallion seminal plasma proteins. Reprod. Domestic Anim., 29: 411-426.
CrossRef  |  

Cardozo, J.A., M. Fernandez-Juan, F. Forcada, A. Abecia, T. Muino-Blanco and J.A. Cebrian-Perez, 2006. Monthly variations in ovine seminal plasma proteins analyzed by two-dimensional polyacrylamide gel electrophoresis. Theriogenology, 66: 841-850.
CrossRef  |  PubMed  |  Direct Link  |  

Chemineau, P., Y. Cagnie, Y. Guerin, P. Orgeur and J.C. Vallet, 1991. Training manual on artificial insemination in sheep and goat. Food and Agriculture Organization, Rome, Italy.

Colas, G., 1983. Factors Affecting the Quality of Ram Semen. In: Sheep Production, Haresign, W. (Ed.). Butterworth, London, pp: 453-466.

Eaton, O.N. and V.L. Simmons, 1952. A semen study of goats. Am. J. Vet. Res., 13: 537-544.

Elzanaty. S., J. Richthoff, J. Malm and A. Giwercman, 2002. The impact of epididymal and accessory sex gland function on sperm motility. Hum. Reprod., 17: 2904-2911.
PubMed  |  

Flipse, R.J. and W.R. Anderson, 1969. Metabolism of bovine semen XIX Products of fructose metabolism by washed spermatozoa. J. Dairy. Sci., 52: 1070-1073.
CrossRef  |  Direct Link  |  

Gonzales, G.F. and A. Villena, 2001. True corrected seminal fructose level: A better marker of the function of seminal vesicles in infertile men. Int. J. Androl., 24: 255-260.
PubMed  |  Direct Link  |  

Harrison, R.A.P., 1971. Glycolytic enzymes in mammalian spermatozoa: Activities and stabilities of hexokinase and phosphofructokinase in various fractions from sperm homogenates. Biochem. J., 124: 741-750.
Direct Link  |  

Humphrey, G. F. and T. Mann, 1949. Studies on the metabolism of semen. 5. Citric acid in semen. Biochem. J., 44: 97-105.
Direct Link  |  

Jonakova, V., P. Manaskova, M. Kraus, J. Liberda and M. Ticha, 2000. Sperm surfece proteins in mammalian fertilization. Mol. Reprod. Dev., 56: 275-277.
PubMed  |  

Kamp, C., H. Schmidt, H. Stypa, S. Feiden, C. Mahling and G. Wegener, 2007. Regulatory properties of 6-phosphofructokinase and control of glycolysis in boar spermatozoa. Reproduction, 133: 29-40.
PubMed  |  

La Falci, V.S.N., H. Tortorella, J.L. Rodrigues and A. Brandelli, 2002. Seasonal variation of goat seminal plasma proteins. Theriogenology, 57: 1035-1048.
CrossRef  |  PubMed  |  Direct Link  |  

Lewis-Jones, D.I., I.A. Aird, M.M. Biljan and C.R. Kingsland, 1996. Effects of sperm activity on zinc and fructose concentrations in seminal plasma. Hum. Reprod., 11: 2465-2467.
PubMed  |  

Manjunath, P., L. Chandonnet, E. Leblond and L. Desnoyers, 1994. Major proteins of bovine seminal vesicles bind to spermatozoa. Biol. Reprod., 50: 27-37.
CrossRef  |  Direct Link  |  

Mann, T., 1946. Studies on the metabolism of semen: 3. fructose as a normal constituent of seminal plasma site of formation and function of fructose in semen. Biochem. J., 40: 481-491.
Direct Link  |  

Marti, E., L. Mara, J.I. Marti, T. Muino-Blanco and J.A. Cebrian-Perez, 2007. Seasonal variation in antioxidant enzyme activity in ram seminal plasma. Theriogenology, 67: 1446-1454.
CrossRef  |  

Mendoza, G., I.G. White and P. Chow, 1989. Studies of chemical components of Angora goat seminal plasma. Theriogenology, 32: 455-466.
PubMed  |  

National Research Council, 1981. Nutrient Require-Ments of Goats: Angora, Dairy and Meat Goats in Temperate and Tropical Countries. 3rd Edn., National Academy Press, Washington, DC., USA.

Nelson, D.L. and M.M. Cox, 2005. The Citric Acid Cycle. In: Lehninger Principles of Biochemistry, Nelson, D.L. and M.M. Cox (Eds.). W.H. Freeman, USA., pp.601-630.

Ollero, M., N. Garcia-Lopez, R. Perez-Pe, J.A. Cebrian-Perez and T. Muino-Blanco, 1997. Surface changes of ram spermatozoa by adsorption of homologous and heterologous seminal plasma proteins revealed by partition in aqueous two-phases system. Reprod. Fertil. Dev., 9: 381-390.
PubMed  |  

Perez-Pe, R., T. Muino-Blanco and J.A. Cebrian-Perez, 2001. Sperm washing method alters the ability of seminal plasma proteins to revert the cold-shock damage on ram sperm membrane. Int. J. Androl., 24: 352-359.
CrossRef  |  Direct Link  |  

Pinheiro, R.R., R. Malhado, A.A. Pinheiro and A.A. Simplicio, 1996. SP chemical parameters from 3 different breeds of goats in Northeast Brazil. Proc. Annu. Meeting Anim. Sci. Braz. Soc., 33: 416-418.

Roca, J., E. Martinez and J.M. Vasquez, 1993. Seasonal variation in fructose and citric acid in seminal plasma of Murciano-Granadina goats. Small Ruminant Res., 10: 219-226.
CrossRef  |  Direct Link  |  

Roca, J., E. Martinez, J.M. Vazquez and P. Coy, 1992. Characteristics and seasonal variations in the semen of Murciano-Granadina goats in the Mediterranean area. Anim. Reprod. Sci., 29: 255-262.
CrossRef  |  Direct Link  |  

Rodrigues, L.F.S., 1997. Effect of the collection method on the physical, morphologic and chemical aspects of crossbreed goats and Santa Ines wool less ovines raised in Ceara. Master Thesis, State University of Ceara, Fortaleza, Brazil.

Rossi, T., F. Mazzilli, N. Sarandrea, S. Rapone and F. Dondero, 1997. The application of the differential pH method to the biochemical evaluation of seminal plasma. Clin. Biochem., 30: 143-148.
CrossRef  |  Direct Link  |  

Silva, R.G., 2005. Bioclimatic zoning for livestock animals. Proc. Annu. Meeting Anim. Sci. Braz. Soc., 42: 388-393.

Singh, L.P. and L.N. Penbey, 1995. Relationship between seminal attributes and peripheral testosterone level in Desi bucks. Indian J. Anim. Res., 65: 1112-1124.
Direct Link  |  

Smith, J.F., 1971. The effect of temperature on characteristics of semen of rams. Aust. J. Agric. Res., 22: 481-490.
CrossRef  |  Direct Link  |  

Thomas, C.J., V. Anbazhaga, M. Ramakrishnan, N. Sultan, I. Surolia and M.J. Swamy, 2003. Mechanism of membrane binding by the bovine seminal plasma protein, PDC-109: A surface plasmon resonance study. Biophys. J., 84: 3037-3044.
CrossRef  |  Direct Link  |  

Tuli, R.K. and W. Holtz, 1995. Effect of season on the freezability of Boer goat semen in the Northern temperate zone. Theriogenology, 43: 1359-1363.
CrossRef  |  Direct Link  |  

Zamiri, M.J. and A.H. Heidari, 2006. Reproductive characteristics of Rayini male goats of Kerman province in Iran. Anim. Reprod. Sci., 96: 176-185.
CrossRef  |  Direct Link  |