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Animal Industry Report

Extension Number

ASL R2770

Topic

Beef

Summary and Implications

The impact of pedigree information and SNP location determined from either the UMD3.1 genome sequence assembly or the USDA-AIPL map on phasing accuracy were evaluated for 2 chromosomes in 2,778 parent verified Angus sire/offspring pairs. DAGPHASE (Druet and Georges, 2010), using a single generation pedigree was superior to BEAGLE software (Browning and Browning, 2007) for phasing. Results based on USDA-AIPL map are closer to expectation than those based on UMD3.1, but the difference is not significant. Recombination hotspots weredetected near 4 and 82Mb on BTA14, and near 25Mb on BTA15.

Copyright Holder

Iowa State University

Language

en

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