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Goyache, F. ; Gutiérrez, J. P. ; Fernández, I. ; Royo, L. J. ; Álvarez, I. | 2005-05The aim of this work was to analyse the genetic parameters affecting days open (DO) in beef cattle to evaluate its potential as criterion of selection. The present study characterises DO as a trait with considerable genetic variability, relative[...]texto impreso
Gutiérrez, J. P. ; Goyache, F. | 2005-06The aim of this note is to describe the program ENDOG (v.3.0). The program handles pedigree information to conduct several demographic and genetic analyses including: (a) the individual inbreeding and average relatedness coefficients; (b) effect[...]texto impreso
Valera, M. ; Molina, A. ; Gutiérrez, J. P. ; Gómez, J. ; Goyache, F. | 2005-08The studbook of the Andalusian horse comprising a total of 75,389 individuals (6318 of them classified as Carthusians) was analysed in order to ascertain the genetic history of the breed and, specially, to evaluate its genetic variability and th[...]texto impreso
Gutiérrez, J. P. ; Marmi, J. ; Goyache, F. ; Jordana, J. | 2005-12The Catalonian donkey is one of the most endangered donkey breeds in the world. At present, five main subpopulations exist: AFRAC, which consists of many genetically connected Catalonian localities; Berga, which consists of a single herd located[...]texto impreso
Álvarez, I. ; Gutiérrez, J. P. ; Royo, L. J. ; Fernández, I. ; Gómez, E. ; Arranz, J. J. ; Goyache, F. | 2005-04Recent studies have proposed the use of molecular coancestry coefficients as a measure of genetic variability and as a useful tool for conservation purposes. Using simulated data, molecular coancestry has been shown to become constant very quick[...]texto impreso
Royo, L. J. ; Álvarez, I. ; Beja Pereira, A. ; Molina, A. ; Fernández, I. ; Jordana, J. ; Gómez, E. ; Gutiérrez, J. P. ; Goyache, F. | 2005-11Despite a number of recent studies that have focused on the origin of domestic horses, genetic relationships between major geographical clusters still remain poorly understood. In this study we analyzed a 296 bp mtDNA fragment from the HVI regio[...]
