Theriogenology
Volume 73, Issue 1 , Pages 20-25 , 1 January 2010

Testicular development and establishment of spermatogenesis in Nili-Ravi buffalo bulls

  • N. Ahmad

      Affiliations

    • Department of Animal Science, Quaid-e-Azam University, Islamabad 44000, Pakistan
    • Corresponding Author InformationCorresponding author. Present address: Department of Theriogenology, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan. Tel.: +92 42 9213659; fax: +92 42 9213659.
    • ,
  • S. Umair

      Affiliations

    • Directorate of Research, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
    • ,
  • M. Shahab

      Affiliations

    • Department of Animal Science, Quaid-e-Azam University, Islamabad 44000, Pakistan
    • ,
  • M. Arslan

      Affiliations

    • Department of Animal Science, Quaid-e-Azam University, Islamabad 44000, Pakistan

Received 19 January 2009 ,Revised 23 May 2009 ,Accepted 17 June 2009.

References 

  1. Gier HT, Marion GB. Development of the mammalian testis. In:  Johnson AD,  Gomes WR,  Vandemark NL editor. The Testis. Volume 1:New York: Academic Press; 1970;p. 1
  2. Schanbacher BD, D’Occhio MJD. Validation of a direct radioimmunoassay for testosterone in unextracted serum from five species: application to study of the hypothalamic-pituitary-gonadal axis in males. J Androl. 1982;3:45–51
  3. Glover T, Nicander L. Some aspects in the structure and function in the mammalian epididymis. J Reprod Fertil. 1971;(Suppl 13):39–50
  4. Salisbury GW, VanDemark NL. Physiology of Reproduction and Artificial Insemination of Cattle. WH Freeman; 1961;
  5. Bratton RW, Foote RH. Semen production and fertility of dairy bulls ejaculated either once or twice at intervals of either four or eight days. J Dairy Sci. 1954;37:1439–1443
  6. Wolf FR, Almquist JO, Hale EB. Prepubertal behavior and puberal characteristics of beef bulls on high nutrient allowance. J Anim Sci. 1965;24:761–765
  7. VanDemark NL, Manger RE. Effect of energy intake on reproductive performance of dairy bulls. I. Growth, reproductive organs and puberty. J Dairy Sci. 1964;47:798–806
  8. Shawn RT, Don AN, Timothy WW, Ronald DR. Influence of season of birth on growth and reproductive development in Brahman bulls. Theriogenology. 2004;62:92–102
  9. Curtis SK, Amann RP. Testicular development and establishment of spermatogenesis in Holstein bulls. J Anim Sci. 1981;53:1645–1657
  10. Amann RP. Endocrine changes associated with onset of spermatogenesis in Holstein bulls. J Dairy Sci. 1983;66:2606–2622
  11. Wildeus S. Age-related changes in scrotal circumference, testis size and sperm reserves in bulls of the tropically adapted Senepol breed. Anim Reprod Sci. 1993;32:185–195
  12. Wildeus S, Entwistle KW. A quantitative histological study of testicular and epididymal development in Bos indicus cross bulls. Anim Reprod Sci. 1983;6:1–10
  13. Kotayya K, Narasimharao AV, Subbaiah G. Studies on growth, puberty and semen production in AI bulls. Ind Vet J. 1972;49:901–910
  14. Rao AVN, Kotayya E. Age of puberty in Murrah buffalo bulls. Ind Vet J. 1979;56:252–253
  15. Ahmad M, Latif M, Ahmad M, Qazi MH, Sahir N, Arslan M. Age related changes in body weight, scrotal size and plasma testosterone levels in buffalo bulls. Theriogenology. 1984;22:651–656
  16. Bongso TA, Hassan MD, Nordin W. Relationship of scrotal circumference and testicular volume to age and body weight in Swamp buffalo. Theriogenology. 1984;22:127–134
  17. McCool CJ, Entwistle KW. The development of puberty and sexual maturity in the Australian Swamp Buffalo Bull. Theriogenology. 1989;32:171–184
  18. Pant HC, Sharma RK, Patel SH, Shukla HR, Mittal AK, Kasiraj R, et al. Testicular development and its relationship to semen production in Murrah buffalo bulls. Theriogenology. 2003;60:27–34
  19. Ahmad N, Shahab M, Anzar M, Arslan M. Changes in the behavior and androgenic levels during pubertal development of the buffalo bull. Appl Anim Behav Sci. 1991;32:101–105
  20. Ahmad N, Shahab M, Khurshid S, Arslan M. Pubertal development in male buffalo: longitudinal analysis of body growth, testicular size and serum profiles of testosterone and oestradiol bull. Anim Reprod Sci. 1989;19:161–170
  21. Abdel-Raouf M. The postnatal development of the reproductive organs in bulls with special reference to puberty. Acta Endrocrinol. 1960;34:1–109
  22. Attal J, Courot M. Developpment testiculaire et establissement de la spermatogenese chez le taureau. Ann Biol Anim Biochim Biophys. 1963;3:219–241

PII: S0093-691X(09)00342-2

doi: 10.1016/j.theriogenology.2009.06.034

Theriogenology
Volume 73, Issue 1 , Pages 20-25 , 1 January 2010

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