Table of Contents
Advances in Zoology
Volume 2014, Article ID 645071, 4 pages
http://dx.doi.org/10.1155/2014/645071
Research Article

Osteometric Effects of Surgical Caponisation on Some Long Bones in Cockerel Chickens

1Department of Animal Health and Production Technology, Niger State College of Agriculture, P.M.B. 109, Mokwa, Niger State, Nigeria
2Department of Agricultural Education, Federal College of Education, P.M.B. 39, Kontagora, Niger state, Nigeria
3Department of Agricultural and Bioenvironmental Engineering, Federal Polytechnic, P.M.B. 55, Bida, Niger State, Nigeria

Received 8 April 2014; Revised 23 June 2014; Accepted 30 June 2014; Published 7 July 2014

Academic Editor: Rick Hochberg

Copyright © 2014 Muhammad Abdullahi Mahmud et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. K. L. Chen, T. Y. Hsieh, and P. W. Chiou, “Caponization effects on growth performance and lipid metabolism in Taiwan country chicken cockerels,” Asian-Australasian Journal of Animal Sciences, vol. 19, no. 3, pp. 438–443, 2006. View at Google Scholar · View at Scopus
  2. K. L. Chen, W. T. Chi, and P. W. S. Chiou, “Caponization and testosterone implantation effects on blood lipid and lipoprotein profile in male chickens,” Poultry Science, vol. 84, no. 4, pp. 547–552, 2005. View at Publisher · View at Google Scholar · View at Scopus
  3. J. A. Cason, D. L. Fletcher, and W. H. Burke, “Research note: effects of caponization on broiler growth,” Poultry Science, vol. 67, no. 6, pp. 979–981, 1988. View at Publisher · View at Google Scholar · View at Scopus
  4. M. Tor, J. Estany, D. Villalba, E. Molina, and D. Cubiló, “Comparison of carcass composition by parts and tissues between cocks and capons,” Animal Research, vol. 51, no. 5, pp. 421–431, 2002. View at Publisher · View at Google Scholar · View at Scopus
  5. M. G. Mast, H. C. Jordan, and J. H. Macneil, “The effect of partial and complete caponization on growth rate, yield and selected physical and sensory attributes of cockerels,” Poultry Science, vol. 60, no. 8, pp. 1827–1833, 1981. View at Publisher · View at Google Scholar
  6. T. Y. Hsieh, Effects of castration in Taiwan country chicken cockerels on growth performance and lipid metabolism [M.S. thesis], National Chung-Hsing University, Taichung, Taiwan, 2003.
  7. M. A. Mahmud, P. Shaba, J. Gana, H. Y. Yisa, and R. Ndagimba, “Effects of surgical caponisation on growth, carcass and some haematological parameters in cockerel chickens,” Sokoto Journal of Veterinary Sciences, vol. 11, no. 2, pp. 57–62, 2013. View at Google Scholar
  8. M. J. Fennell and C. G. Scanes, “Inhibition of growth in chickens by testosterone, 5 alpha-dihydrotestosterone, and 19-nortestosterone,” Poultry Science, vol. 71, no. 2, pp. 357–366, 1992. View at Publisher · View at Google Scholar · View at Scopus
  9. H. T. Wang, Effects of surgical caponization and administration of Estradiol to chicken embryos on daily activity, agonistic behaviour, growth performance, carcass traits and sensory evaluation of males Taiwan country chickens [M.S. thesis], Department of Animal Science, National Chung-Hsing University, Taichung, Taiwan, 2001.
  10. T. W. Kuo, Effect of different caponized ways and different caponized weeks on meat characteristics of Taiwan country chicken [M.S. thesis], Department of Animal Science, National Chung-Hsing University, Taichung, Taiwan, 2002.
  11. M. J. Oursler, M. Kassem, B. L. Riggs, and T. C. Spelsberg, “Regulation of bone cell function by gonadal steroid,” in Osteoporosis, R. Marcus, D. Feldman, and J. Kelsey, Eds., pp. 237–260, Academic Press, New York, NY, USA, 1996. View at Google Scholar
  12. L. Pederson, M. Kremer, J. Judd et al., “Androgens regulate bone resorption activity of isolated osteoclasts in vitro,” Proceedings of the National Academy of Sciences of the United States of America, vol. 96, no. 2, pp. 505–510, 1999. View at Publisher · View at Google Scholar · View at Scopus
  13. S. C. Manolagas, S. Kousteni, and R. L. Jilka, “Sex steroids and bone,” Recent Progress in Hormone Research, vol. 57, pp. 385–409, 2002. View at Publisher · View at Google Scholar · View at Scopus
  14. F. B. Hutt, “Sex dimorphism and variability in the appendicular skeleton of the leghorn fowl,” Poultry Science, vol. 8, no. 4, pp. 202–218, 1929. View at Google Scholar
  15. W. Landauer, “Studies on the creeper fowl, X1 castration and length of the appendicular skeleton of in normal and creeper fowl,” The Anatomical Record, vol. 69, no. 2, pp. 247–253, 1937. View at Google Scholar
  16. S. Leeson, J. D. Summers, and J. P. Walker, “The effect of light and diet on performance and carcass quality of capons,” Poultry Science, vol. 55, no. 1, pp. 438–440, 1976. View at Publisher · View at Google Scholar
  17. Y. Ono, H. Iwamoto, H. Takahara, and M. Okamoto, “Studies on the growth skeletal muscle of capon. 1. Effects of castration on the weights of skeletal muscle, abdominal fat, intramuscular fat, skin, bone and viscera,” Science Bulletin of Faculty of Agriculture, Kyushu University, vol. 34, pp. 39–46, 1979. View at Google Scholar
  18. A. L. Johnson and V. T. Rendano, “Effects of castration, with and without testosterone replacement, on leg bone integrity in the domestic fowl,” American Journal of Veterinary Research, vol. 45, no. 2, pp. 319–325, 1984. View at Google Scholar · View at Scopus
  19. N. C. Rath, W. E. Huff, J. M. Balog, and G. R. Bayyari, “Effect of gonadal steroids on bone and other physiological parameters of male broiler chickens,” Poultry Science, vol. 75, no. 4, pp. 556–562, 1996. View at Publisher · View at Google Scholar · View at Scopus
  20. N. C. Rath, G. R. Huff, W. E. Huff, and J. M. Balog, “Factors regulating bone maturity and strength in poultry,” Poultry Science, vol. 79, no. 7, pp. 1024–1032, 2000. View at Publisher · View at Google Scholar · View at Scopus
  21. C.-Y. Lin and J.-C. Hsu, “Comparison of some selected growth, physiological and bone characteristics of capon, slip and intact birds in Taiwan country chicken cockerels,” Asian-Australasian Journal of Animal Sciences, vol. 16, no. 1, pp. 50–56, 2003. View at Google Scholar · View at Scopus
  22. K. Chen, S. Tsay, D. Lo, F. Kuo, J. Wang, and P. W. Chiou, “Effects of caponization and testosterone on bone and blood parameters of SCWL male chickens,” Asian-Australasian Journal of Animal Sciences, vol. 20, no. 5, pp. 706–710, 2007. View at Google Scholar · View at Scopus
  23. G. W. Wilson, Wilson’s Practical Meat Inspection, Blackwell, Malden, Mass, USA, 4th edition, 2005.
  24. H. Spencer, J. A. Friendland, and I. Lewin, Anabolic-Androgenic Steroids (Hand Book of Experimental Pharmacology), vol. 43, 1976.
  25. J. C. Layfield, W. J. Owings, S. L. Balloun, and D. L. Miller, “Carcass composition and production criteria of surgical capons as affected by nutrition,” Poultry Science, vol. 51, no. 5, p. 1597, 1971. View at Google Scholar
  26. J. F. Welter, “The effects of surgical caponization on production efficiency and carcass yield of roosters,” Poultry Science, vol. 55, no. 4, pp. 1372–1375, 1976. View at Google Scholar
  27. K. L. Chen, C. P. Wu, and R. G. R. Chou, “Effect of caponization age on growth performance and post-mortem change in muscles of Taiwan country chicken,” Journal of Agricultural Association of China, vol. 1, no. 1, pp. 54–63, 2000. View at Google Scholar
  28. S. M. Tsay, K. L. Chen, and P. W. S. Chiou, “Testosterone implantation on the bone characteristics in castrated male chickens,” in Proceeding of 11th AAAP Animal Science Congress , Kuala Lumpur, Malaysia. Asian-Australian Association of Animal Production Society, pp. 321–324, Kuala Lumper , Malaysia, 2004.
  29. K. L. Chen, T. T. Chen, K. J. Lin, and P. W. S. Chiou, “The effects of caponization age on muscle characteristics in male chicken,” Asian-Australasian Journal of Animal Sciences, vol. 20, no. 11, pp. 1684–1688, 2007. View at Google Scholar · View at Scopus