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- W65075003 abstract "Resumen La gestion genetica de poblaciones pequenas, cualquiera que sea el objetivo perseguido, viene condicionada precisamente por su tamano. Hoy en dia, la distincion entre programas de conservacion y programas de seleccion tiende a difuminarse ya que en ambos tipos de programas hay que prestar atencion tanto al aumento de la consanguinidad como a la mejora o mantenimiento de algunos caracteres de interes. Para el mantenimiento de la diversidad el criterio que debe seguirse es el de maximizar el censo efectivo. Para ello durante las ultimas decadas se han desarrollado unas reglas sencillas aunque tambien existe una solucion sofisticada y al parecer optima. En programas de seleccion existen tambien reglas sencillas y una solucion optima aunque en este caso la solucion implica tambien la consideracion del progreso genetico deseado. El diseno de apareamientos optimos, aunque es mas complejo desde el punto de vista teorico, tiene tambien una respuesta practica satisfactoria. Palabras clave: Mejora genetica, Conservacion, Consanguinidad, Diversidad genetica, Poblaciones pequenas, Censo efectivo Summary Genetic improvement and management of small populations The genetic management of small populations, irrespective of the objective pursued, it is conditioned by their census. Actually the distinction between conservation and selection programmes tends to vanish because in both types of programmes attention should be paid to the increase of inbreeding and to the maintenance or improvement of some traits of interest. To maintain genetic diversity the criterion to follow is to maximize the effective population size. For this purpose several simple rules have been developed during the last decades although there exist also a sophisticated solution, probably optimal. For selection programmes there are also simple rules and an optimal solution although now the desired genetic progress should be included. The design of optimal mating systems, although it presents more problems from a theoretical point of view, it has also a reasonable practical solution." @default.
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- W65075003 date "2008-01-01" @default.
- W65075003 modified "2023-09-26" @default.
- W65075003 title "Mejora genética y gestión de poblaciones pequeñas" @default.
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