TAILIEUCHUNG - Báo cáo sinh học: " Accuracy of genomic breeding values in multi-breed dairy cattle populations"

Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học quốc tế đề tài: Accuracy of genomic breeding values in multi-breed dairy cattle populations | Genetics Selection Evolution BioMed Central Research Accuracy of genomic breeding values in multi-breed dairy cattle populations Ben J Hayes 1 Phillip J Bowman1 Amanda C Chamberlain1 Klara Verbyla2 and Mike E Goddard1 2 Open Access Address 1Biosciences Research Division Department of Primary Industries Victoria 1 Park Drive Bundoora 3083 Australia and 2Faculty of Land and Food Resources University of Melbourne Parkville 3010 Australia Email Ben J Hayes - Phillip J Bowman - Amanda C Chamberlain - Klara Verbyla - Mike E Goddard - Corresponding author Published 24 November 2009 Received 8 July 2009 z- z I nvmnKvnz ZI n Accepted 24 November 2009 Genetics Selection Evolution 2009 41 51 doi 1297-9686-41-51 This article is available from http content 41 1 51 2009 Hayes et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract__ Background Two key findings from genomic selection experiments are I the reference population used must be very large to subsequently predict accurate genomic estimated breeding values GEBV and 2 prediction equations derived in one breed do not predict accurate GEBV when applied to other breeds. Both findings are a problem for breeds where the number of individuals in the reference population is limited. A multi-breed reference population is a potential solution and here we investigate the accuracies of GEBV in Holstein dairy cattle and Jersey dairy cattle when the reference population is single breed or multi-breed. The accuracies were .

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