REFERENCES
- Bishop, M.W.H., Campbel, R.C., Hancock, J.L., and Walton, A. (1954). Semen characteistics and fertility in the bull. J. Agric. Sci, 44, 227–248.
- Calamera, J.C., Brago, S., and Vilar, O. (1982). Relationship between motility and Adenosinetiiphosphate (ATP) in human spermatozoa. Andologia 14, 239–241.
- Foulkers, J.A. and MacDonal, d B.J. (1979). The relationship between ATP content and notility of bovine semen. Theriogenology 11, 313–317.
- Linford, E., Glover, F.A., Bishop, C. and Steward, D.L. (1976). The relationship between semen evaluation methods and fertility in the bull. J Reprod. Fert, 47, 283–291.
- Lymann, G.F. and Davincenzo, J.P., (1967). Determination of picogram amount of ATP using the luciferin-luciferase system. Analyt Biochem, 21, 435.
- Marshall, C. and Fray, L. (1976). Semen evaluation of ares. Proc. Tech. conf AI & Reprod. NAAB, p91.
- McGrady, A. (1979). Relationship of endogenous ATP to flagella beat frequency in ejaculated bull spermatozoa. Arch of Androl 2, 301–310.
- Saacke, R.G. and White I.G. (1972). Acrosamal cap maintenance and fertility of frozen bovine semen. Abst. J. Anim. Sci, 35, p253.
- Steel, R.G.D. and Tonie, J.H., (1980). Principles and procedures of statistics. A biometrical approach. 2nd Edn., McGraw Hill.