Buscar
Mostrando ítems 1-10 de 17
Análisis de la variabilidad del color de la capa en el perro de agua español
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
This paper shows the results of a study on the distribution of the colour frequencies in both ecotypes (Northern and Southern) of the Spanish Water Dog. We have calculated the descriptive statistics of the coat colours ...
Sobre el origen de la raza retinta
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
There is enough coincidence in considering as an antecesor of the Retinta breed and in general of the red subconvex spanish bovine the african origin Bos primigenius, Hahni variety, considered alone or by means of its union ...
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 ...
Evolución de la incidencia de la translocación robertsoniana 1/29 en la raza vacuna retinta en los últimos seis años
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
Dés 1989 on étude chez le Laboratoire de Cytogénétique Animale Appliquée du Departement de Génétique de la Faculté de Veterinaire de l"Université de Cordoba (Espagne), la presence de la translocation robertsonienne 1/29 ...
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 ...
Paquetes informáticos en la mejora genética del vacuno de carne
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
In the last decades, we have witnessed a growing calculation power of computers and a dramatic cheapening of these. This has permitted development of mathematical models for problem resolution in increasingly complex animal ...
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 ...
Cuantificación económica de la incidencia de factores zootécnicos en la producción láctea (Argentina)
(Universidad de Córdoba, Servicio de Publicaciones, 1995)
This paper presents a study about the influence of three 0-1 type variables (rectal inpections, mamitis control and first sport renoval) in the cow daily milk production in the central regions of Santa Fe and Córdoba ...