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sábado 22 de septiembre del 2018


Influence of body condition upon the reproductive performance of male goats treated with testosterone in northern Mexico

Influencia de la condición corporal sobre la respuesta reproductiva de machos cabríos tratados con testosterona en el norte de México

  • Fecha de Recibido: 2017-12-06; Fecha de Aceptado: 2017-05-30; Fecha de publiación en linea: 2018-06-22


  • Edgar D. Valle-Moysen  Leonardo I. Vélez-Monroy  Óscar Ángel-García  Leticia R. Gaytán-Alemán  María de los Ángeles  De Santiago-Miramontes 


  • doi: 10.5154/r.rchsza.2017.12.015
  • páginas: 15-25

El objetivo de este estudio fue evaluar la respuesta reproductiva de machos cabríos con diferente condición corporal tratados con testosterona al final del periodo de baja actividad sexual en el norte de México (26° N). Se utilizaron 12 machos, divididos en dos grupos (n = 6 c/u), CCA: Condición Corporal Alta (2.2 ± 0.1) y CCB: Condición Corporal Baja; (1.6 ± 0.1), misma que se mantuvo durante nueve semanas (29 de febrero al 31 de abril). Ambos grupos recibieron 25 mg de testosterona, vía intramuscular cada 3er día durante 21 días. Semanalmente se registraron, condición corporal (rango 1-4), intensidad del olor sexual (rango 0-3), circunferencia escrotal, glucosa sanguínea y calidad seminal. Además, se cuantificaron comportamientos sexuales apetitivos y de consumación. El grupo CCA fue superior (P < 0.05) en calidad de semen, circunferencia escrotal y glucosa sanguínea. Asimismo, el grupo CCA mostró superioridad (P < 0.001) en el porcentaje global de comportamientos sexuales apetitivos (57.6 vs. 42.3 %) y de consumación (72.2 vs. 27.7 %) sobre el grupo CCB. Se concluye que un incremento en la condición corporal en machos tratados con testosterona mejora la circunferencia escrotal, olor sexual, glucosa sanguínea, calidad seminal y los comportamientos sexuales apetitivos y de consumación.

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Valle-Moysen, E. D.,  Vélez-Monroy, L. I.,  Ángel-García, Ó., Gaytán-Alemán, L. R.,  &  De Santiago-Miramontes, M. d.,   (2018). Influence of body condition upon the reproductive performance of male goats treated with testosterone in northern Mexico,  Revista Chapingo Serie Zonas Áridas, XVII(1) 15-25. http://dx.doi.org/10.5154/r.rchsza.2017.12.015