Fact Sheet Written by:
Stephen D. Kachman, Department of Statistics, University of Nebraska–Lincoln
And Provided by:
University of Nebraska-Lincoln
Genomic information based on
single nucleotide polymorphisms (SNP) is
currently incorporated into national cattle evaluations
to produce genomic enhanced expected
progeny differences (EPD). In beef cattle, this
is being done in Angus by first constructing
molecular breeding values (MBV) from the
SNP genotypes. The methodologies currently
being used to incorporate genomic information
are based on assumptions that are appropriate
when looking at a single breed. As beef cattle
production involves both multiple breeds and
crossbred animals we also need to see if these
assumptions are still reasonable when we look
across breeds and to enhance the methodology
for national cattle evaluations to handle both
multiple breeds and crossbred animals.
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