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Factores que afectan a la edad al primer parto en el ganado vacuno de raza retinta
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
It is posible to get an increase of reproductive efficiency by decreasing age at first calving. In this study we show the influence of some enviromental factors that affect this parameter in Retinto cattle. 1786 first ...
Factores que afectan a los parámetros reproductivos en el ganado vacuno de la raza retinta: duración de la gestación
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
This work studies the influence of some factors affecting the gestation lenght in Retinto beef cattle. The average duration of the gestation was estimated in 287.97 days, with an standard error of 0.24, and a variation ...
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; ...
Análisis del flujo de sementales retintos
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
In Retinto Beef cattle breeding, a series of farms have stood out as leaders in animal production in the supply of sires to other farms. In this paper we have made an analysis of these outstanding farms in order to study ...
Análisis de los factores que afectan a la curva de crecimiento del ganado vacuno retinto hasta el destete
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
A study was made of the growth of Retinto beef cattle through analysis of factors affecting the characteristic linear growth curve of this breed in its developmental environment. By addressing these factors, growth and ...
Análisis genético de los niveles de consanguinidad en la raza retinta
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
Within the improvement plan, inbreeding crosses may prove to be a tool that the Retinto cattle breeder might use along with selection to increase the genetic merits of his breed. The majority of breeders know the effects ...
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 ...
Factores que afectan al intervalo entre partos en la raza retinta
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
The main objective of beef cattle improvement is greater profitability on farms. For this, the optimization of reproductive behavior is essential. In the present paper we have made an analysis of the average calving interval ...