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Título : Genetic variability of Senepol cattle in Colombia using molecular markers
Otros títulos : Variabilidad genética de bovinos Senepol en Colombia por marcadores moleculares
Autor : Sepulveda Restrepo, Jeannie Cerlyn
Ángel Marín, Paula Andrea
Toro Toro, Alejandra
Corrales Álvarez, Juan David
Moreno Ochoa, Manuel Antonio
Cerón Muñoz, Mario Fernando
metadata.dc.subject.*: Beef cattle
Genetic diversity
Microsatellite marker
Genetic structure
Fecha de publicación : 2012
Editorial : Universidad de Antioquia, Facultad de Ciencias Agrarias
Citación : Sepulveda Restrepo JC, Ángel Marín PA, Toro A, Corrales Álvarez JD, Moreno Ochoa MA, Cerón Muñoz MF. Genetic variability of Senepol cattle in Colombia using molecular markers. Rev. colomb. cienc. pecu. 2012 Jun; 25(2): 183-190
Resumen : The Senepol beef cattle breed was introduced into Colombia through the use of artificial insemination and embryo transfer from a small nucleus of animals. Objective: to estimate the genetic variability of Senepol cattle in Colombia by heterologous microsatellites and to estimate gene and genotypic frequencies of single nucleotide polymorphic markers through calpastatin (CAST1), calpain (CALP316), and leptin (PB) genes. Methods: 412 blood samples from 28 herds were genotyped for population genetic structure with the STR: INRA32, BM2113, ETH10, BM1824, INRA037, ETH225, INRA064, SPS115, TGLA126, and TGLA122 microsatellite markers. Three SNPs of calpastatin, calpain, and leptin genes were used. Results: all microsatellites and SNP markers were polymorphic. The number of alleles ranged from 4 (BM1824) to 11 (INRA37), and the observed heterozygosity varied between 0.21 (INRA64) and 0.89 (BM2113). Combined probability of exclusion for the microsatellites was higher than 99.99%, indicating the usefulness of this set of markers for parentage testing in Senepol. Conclusions: despite being a small and closed population, this nucleus presents high genetic variability and low inbreeding.
ISSN : 01200690
22562958 E
Aparece en las colecciones: CIAG (Centro de investigaciones Agrarias)

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