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Open Access Characterization of Colombian creole pigs by RAMs Caracterización de cerdos criollos colombianos mediante la técnica molecular RAMs

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<&59;p>&59;Using the molecular technique RAMs (Random Amplified Microsatellites), the genetic diversity and the existent genetic relationships were determined among 35 Colombian Creole pigs (Zungo, San Pedreño, Mule Foot) and a sample of commercial type individuals. For ty six polymorphic loci were found and the heterozygocity values for the RAM markers fluctuated among 0.22 for CCA and 0.19 for CTand CGA, with 92.30% of polymorphic loci for CCA, 82.3 % for CT and 68.75% for CGA. The heterozygocity was of 0.2016 and the Fst was 0.3058 ±0.0433. The Nei distances tree established a very well defined group formed by the Zungo and San Pedreño breeds, which moved away from the rest of the individuals&59; the Mule foot pigs and Zungo (CLEM) were grouped with the commercial ones, indicating introgression with foreign breeds. <&59;/p>&59;<&59;p>&59;Key words&58; Swine&59; genetic variation&59; microsatellites&59; RAMs&59; Colombia. <&59;/p>&59;&60;br&62;<&59;p>&59;Mediante la técnica molecular RAMs (Random Amplified Microsatellites) se determinó la diversidad y las relaciones genéticas en 35 cerdos criollos colombianos (Zungos, San Pedreño, Casco de Mula) y en una muestra de animales de tipo comercial. Se encontraron 46 loci polimórficos&59; los valores de heterocigosidad por marcador RAMs fluctuaron entre 0.22 para CCA y 0.19 tanto para CT como para CGA, con 93.20% de loci polimórficos para CCA, 82.3% para CT y 68.75% para CGA. La heterocigosidad fue de 0.2016 y de 0.3058 ±0.0433 el Fst. El árbol de distancias de Nei definió bien las razas Zungo ySan Pedreño, las cuales se alejaron del resto de los individuos. Los cerdos Casco de Mula y Zungo (CLEM) se agruparon con los comerciales, lo que indicó la presencia de introgresión con razas foráneas. <&59;/p>&59;<&59;p>&59;Palabras claves&58; Cerdo&59; variación genética&59; microsatélites&59; RAMs&59; Colombia. <&59;/p>&59;

Document Type: Research Article

Publication date: 01 January 2006

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