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Estimación de la curva de crecimiento en vacuno retinto: aspectos prácticos para la tipificación de pesos
(Universidad de Córdoba, Servicio de Publicaciones, 1992)
The growth curve in Retinto cattle from Extremadura and Andalusia is studied, taking in account the birthing sequence, season and type of birth, type of mating and offsprings sex. The function of lineal regression, Weight ...
Caracterización productiva de la raza vacuna Retinta
(Universidad de Córdoba, Servicio de Publicaciones, 1992)
We have studied 1863 animals, including males, females and offsprings, from the Retinto breed of cattle, belonging to different farmers in the Cadiz province. The effect of birth type, offspring sex, month of the birth, ...
Estimación de la curva de crecimiento en vacuno retinto desde el nacimiento hasta el destete
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
Several growth equations exist according to different approaches of authors that have studied this matter, but practically all coincide, on analyzing the growth up to mature age, that the curve acquires a sigmoid form; ...
Actuality and future of a breeding program in retinto beef cattle
(Universidad de Córdoba, Servicio de Publicaciones, 1992)
We describe the present process of genetic improvement in Retinto cattle breed and the investigations supporting the selection program. The effects of different environmental factors have been analyzed. We have obtained ...
Experiencias sobre inseminación artificial en hembras bovinas retintas tras tratamientos estimuladores de celo
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
We have realised artificial insemination oí 877 females of the Retinto cattle breed. Previously we applied three different treatments for estrus stimulation. The first and the second were induction treatments, with Syncro-Mate ...
Análisis crítico del acceso a series de testaje del esquema de selección de la raza retinta
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
This study aims to evaluate the incidence of various requirements that male animals had to meet for their participation in 1995 testing series developed by the National Selection Plan of Retinto Beef Cattle. In a stratified ...