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Use of DNA markers to assist with product traceability and pedigree analysis and their role in breed conservation

Published online by Cambridge University Press:  01 August 2011

G.L.H. Alderson  and
G.S. Plastow
G.L.H. Alderson
Affiliation:
Rare Breeds International, 6 Harnage, Shrewsbury SY5 6EJ, UK
G.S. Plastow
Affiliation:
Sygen International and Pig Improvement Company, c/o Dept. of Pathology, University of Cambridge, Cambridge, UK
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Summary

Modern pig breeds in Europe owe their origin to a mixture of Asian and European breeds and types. They evolved during the past two hundred years, and developed particular breed characteristics by the application of breed standards, which included specific reference to colour. DNA markers at two coat colour loci provide the potential for accurate breed assignation for wild boar, Berkshire and Tamworth breeds, and may also offer the potential to develop simple tools for the verification of the origin of pork products. The use of polymorphisms in genes determining coat colour is used to explore this potential in terms of breed identification for conservation of animal genetic resources, and product traceability for quality assurance.

Resumen

Las razas Europeas actuales deben su origen a la mezcla de tipos raciales tanto asiáticos como europeos. Durante los últimos doscientos años, estas razas han evolucionado y desarrollaron sus peculiaridades a consecuencia de la aplicación de los estándares raciales, entre los cuales se incluyen referencias específicas al color. Marcadores de ADN identificados en dos locus para el color de la capa nos dan el potencial para identificar con precisión al Jabalí, Berkshire, y Tamworth, y además nos ofrecerían el potencial de desarrollar herramientas simples para verificar el origen de productos porcinos. Dicho polimorfismo en genes que determinan el color de la capa nos permite explorar su potencial en términos de identificación racial con motivo de la conservación de recursos genéticos, y de la trazabilidad de productos en programas de calidad.

Keywords

Pig breedsColour geneticsDNA markersQuality assurance
Type
Research Articles
Information
Animal Genetic Resources/Resources génétiques animales/Recursos genéticos animales , Volume 35 , April 2004 , pp. 1 - 7
Copyright
Copyright © Food and Agriculture Organization of the United Nations 2004

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