Vol. 29 (2019)
Artículos de Investigación

Characterization of technological level, age of puberty and first service of Romosinuano females in Mexico

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  • Víctor Hugo Severino Lendechy,
  • Raúl Andrés Perezgrovas Garza,
  • Juan Carlos Muñoz González,
  • Ángel Trinidad Piñeiro Vázquez,
  • Alfonso Juventino Chay Canul
Víctor Hugo Severino Lendechy
Universidad Autónoma de Chiapas
Bio
Raúl Andrés Perezgrovas Garza
Universidad Autónoma de Chiapas
Bio
Juan Carlos Muñoz González
Universidad Autónoma de Chiapas
Bio
Ángel Trinidad Piñeiro Vázquez
Tecnológico Nacional de México/Instituto Tecnológico de Conkal
Bio
Alfonso Juventino Chay Canul
Universidad Juárez Autónoma de Tabasco
Bio
DOI: https://doi.org/10.15174/au.2019.2477

Published 2019-11-27

How to Cite

Severino Lendechy, V. H., Perezgrovas Garza, R. A., Muñoz González, J. C., Piñeiro Vázquez, Ángel T., & Chay Canul, A. J. (2019). Characterization of technological level, age of puberty and first service of Romosinuano females in Mexico. Acta Universitaria, 29, 1–9. https://doi.org/10.15174/au.2019.2477

Abstract

The aim of this study was to characterize the technological level (TL), age and weight at puberty and first service in Romosinuano (RO) heifers in Mexico. Ten production units (PU) were used. The PU have 30.0%, 40.0%, and 30.0% of low, medium, and high TL, respectively. Age (months) and weight at puberty (kg), according to the TL of the PU, were 22.0 ± 2.0 and 305.4 ± 15.3 for low TL, 20.2 ± 1.0 and 326.3 ± 10.0 for medium TL and 18.0 ± 1.6 and 340.2 ± 17.5 for high TL, respectively. The age (months) and weight at first service (kg) according to the TL of the PU were 25.0 ± 2.0 and 336.0 ± 15.3 for low TL, 23.6 ± 2.0 and 359.5 ± 12.6 for medium TL and 20.5 ± 1.5 and 366.0 ± 10.1 for high TL, respectively. The age and weight at puberty and at first service varies according to the technological level of the PU.

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