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Programa de conservación del ganado vacuno canario
(Universidad de Córdoba, Servicio de Publicaciones, 1998)
The Cattle census of the Canary Islands is about 20500 animals, of this the Canary Creole Cattle Breed is only the 15.8 p.100. The other part of the census is formed by another selected breeds for milk production. Until ...
Caracterización genética de ganado bovino criollo argentino utilizando microsatélites
(Universidad de Córdoba, Servicio de Publicaciones, 1998)
It is characterized a sample of Bovino Criollo Argentino cattle with a panel of eight microsatellites. It is detected a number of alleles between 2 and 7. The values of Heterocigosity by locus are between 0.46 for HEL-1 ...
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 ...
Efecto del medio de cultivo y la suplementación proteica en la maduración in vitro de ovocitos bovinos
(Universidad de Córdoba, Servicio de Publicaciones, 1997)
In the present work, the effects of oocyte maturation medium and protein supplementation on in vitro maturation process of immature bovine oocytes are described. Three different culture media, such as: TCM-199 medium, DME ...
An improved method for chromosome preparations from bovine oocytes and zygotes obtained by in vitro maturation and fertilization techniques
(Universidad de Córdoba, Servicio de Publicaciones, 1998)
Matured bovine oocytes and zygotes obtained by in vitro maturation and fertilization techniques (IVM and IVF) were cytogenetically prepared by using an improved method for chromosome preparations. The method, which involves ...
Efecto del método de selección de esperma congelado de bovino sobre los índices de fecundación y división in vitro
(Universidad de Córdoba, Servicio de Publicaciones, 1997)
In the present work, the effect of two selection methods of bovine frozen sperm on in vitro fertilization and cleavage rates of in vitro matured and fertilized bovine oocytes was evaluated. Two usual sperm selection systems ...
Terapia hormonal de GnRH y PGF2a en el puerperio del ganado vacuno de leche. I. Acción en el acortamiento del ciclo reproductivo
(Universidad de Córdoba, Servicio de Publicaciones, 1992)
Gonadotrophin releasing hormone (GnRH) analogue in combination with prostaglandin F2 alpha (PGF2a) was adiministered to VT in order to determine if it hastened the recovery of ovarian activity and uterine involution during ...
Perspectives of the beef cattle production within the bounds of the European Union
(Universidad de Córdoba, Servicio de Publicaciones, 1993)
The discussion showed that the representatives of the northern countries defended an improvement of extensive beef production systems, while people from the southern countries proposed to investigate carcass and meat quality ...
Quimerismos celulares 60,XX159,XY t I/29 y 59,XX t I/291 60,XY en el ganado vacuno retinto
(Universidad de Córdoba, Servicio de Publicaciones, 1992)
In a cytogenetic screening of Retinta breed cattle, with the aim to determine the presence and incidence of the 1/29 Robertsonian translocation, some cases of leucocitary chimerism and the 1/29 translocation were observed, ...
Una aproximación económica a la dimensión óptima de las explotaciones lácteas extensivas (Argentina)
(Universidad de Córdoba, Servicio de Publicaciones, 1997)
The production and benefit function of dairy farms, of the Cuenca Central Santafesina (Argentina), were studied by Garcia Martinez etal. (1996). In this work the combinations of concentrate and number of cows by exploitation ...