Article
Monitoring changes in the demographic and genealogical structure of the main Spanish local beef breeds.
Journal of animal science - 1 Oct 2014
Cañas-Álvarez J J, Gónzalez-Rodríguez A, Martín-Collado D, Avilés C, Altarriba J, Baro J A, De la Fuente L F, Díaz C, Molina A, Varona L, Piedrafita J
Abstract excerpt
Demographic and pedigree analyses describe the structure and dynamics of livestock populations. We studied information recorded in the herdbooks of Asturiana de los Valles (AV; N = 458,806), Avileña-Negra Ibérica (ANI; N = 204,623), Bruna dels Pirineus (BP; N = 62,138), Morucha (Mo; N = 65,350), Pirenaica (Pi; N = 217,428), Retinta (Re; N = 135,300), and Rubia Gallega (RG; N = 235,511) beef breeds from their...
Topics
- Animals
- Breeding
- Cattle
- Female
- Genetic Variation
- Inbreeding
- Male
- Pedigree
- Population Density
- Spain