Pubertad y circunferencia escrotal en toros holstein x cebú, cebú y romosinuano
Pubertad y circunferencia escrotal en toros holstein x cebú, cebú y romosinuano
How to Cite
Espitia P., A., Prieto M., E., & Cardozo, J. (2006). Pubertad y circunferencia escrotal en toros holstein x cebú, cebú y romosinuano. Journal MVZ Cordoba, 11(1). https://doi.org/10.21897/rmvz.459
Dimensions
Show authors biography
Article visits 1284 | PDF visits
Downloads
Download data is not yet available.
- Chenoweth P, Ball L. Breeding soundness evaluation in bulls. In: Current therapy in Theriogenology. D. Morrow. Ist. Edit W. B. Saunders Co Philadelphia, Toronto. 1980; 333-335.
- Coulter G, Mapletoft R, Kozub G, Cates W. Scrotal cincumference of two years old bulls of several beef breeds. Theriogenolgy 1987; 27:485-491. http://dx.doi.org/10.1016/0093-691X(87)90236-6
- Galina C, Arthur G. Review of cattle reproduction in the tropics. Part 6.The Male. Anim Breed Abs 1991; 59:403.
- Ocanto D, Pati-o A, Ramos C, Escobar S, Linares T. Pubertad en machos brahman y criollo limonero, bajo condiciones del Llano Venezolano. Proceedings 10th Intrenational Congress on Animal Reproduction and Artificial Insemination, Urbana USA1984; 2:171-179.
- Oyedipe O, Kumi-Diaka J, Osori K. Detemination of onset of puberty in Zebu bulls under tropical conditions of Northeen Nigeria. Theriogenology 1981; 16:419-431. http://dx.doi.org/10.1016/0093-691X(81)90075-3
- Trocóniz F, Beltrám J, Bastidas H, Larreal H, Bastidas P. Testicular develoment, body weitgh changes, puberty and semen triats of growing Guzerat and Nellore. Theriogenology 1981; 35:815-825. http://dx.doi.org/10.1016/0093-691X(91)90422-A
- Bourdon R, Brinks J. Scrotal circunference in yearling Hereford bulls: Adjustment factors, heriatabilities and genetic, environmental and phenotypic relationship with traits. J Anim Sci 1986; 62:958-967. http://dx.doi.org/10.2527/jas1986.624958x
- Morrys L, Tyner P, Morris L, Forgason L, Williams S, Young F. Correlation of circunference and age in American Brahman Bulls. Theriogenology 1989; 31:489-494. http://dx.doi.org/10.1016/0093-691X(89)90553-0
- Wenkoff M. The evaluation of bulls for breeding soundness. " ed. Ontario. Canadian Veterinary Medical Association. 1988.
- Sorensen M. Reproducción Animal Principios y Prácticas. Mc. Graw-Hill. 1982; 129-134.
- Lunstra D, Echternkamp E. Puberty in beef bulls: Acrosome morphologhy and semen quality of different breeds. J Animal Sci 1982; 55:640-648. http://dx.doi.org/10.2527/jas1982.553638x
- Statistical análisis system "SAS". User'Guide, Versión 5ª Ed. SAS Institute Inc. Cary, 1998; USA.
- Madrid-Bury N. Mejora de la Ganadería Mestiza de doble Propósito. En: Primer Congreso Interamericano de Ganadería de Doble Propósito. Maracaibo (Estado Zulia), nov 4-6, Venezuela. 1998; 598-607.
- Knights S, Baker R, Pianola D. et al. 1984. Estimates of heritabilities and of genetic and phenotypic correlations among growth and reproductive traits in yearling Angus bulls. J Anim Sci 1984; 58:887-893. http://dx.doi.org/10.2527/jas1984.584887x
- Moser D, Bertrand J, Benyshek L, McCann M, Kiser T. Effect of selection for scrotal circumference in Limousin bulls on reproductive and growth traits of progeny. J Anim Sci 1996; 74:2052-2057. http://dx.doi.org/10.2527/1996.7492052x
- Espitia P, Prieto M, González T. Medidas testiculares en ganado Romosinuano, Romosinuano, Cebú (Brahman), Cebú x Romosinuano y Romosinuano x Cebú. Archivos de Reproducción Animal 1998; 7:16-21.
- Schramn D, Osborne I, Thayne V, Wagner R, Inskeep K. Phenotypic relationships of scrotal circunference to frame size and body weight in perfomance-tested bulls. Theriogenology 1989; 31:495- 503. http://dx.doi.org/10.1016/0093-691X(89)90234-3