Interpreting Angus Expected Progeny Difference (EPDs)

Expected Progeny Difference
EPDs are a prediction of how future progeny of a sire or dam are expected to perform in various production, maternal, and carcass traits which are measurable. EPDs are measured actual pounds, square inches or centimeters (depending on trait), plus or minus what you can expect in the weights or measurements of progeny sired by a particular animal as compared with another animal.
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American Angus Association Genomic Enhanced EPDs
Genomic results are a way to enhance predicability of current selection tools, to achieve more accuracy on EPDs for younger animals, and to characterize genetic traits that are difficult to measure. With the investment in genomic technology, which in addition to pedigree, performance and progeny information that are used in the calculation and reporting of Angus EPDs, genomic test results have been incorporated into the EPD.  As such, Genomic Enhanced EPDs (GE-EPDs) are unique because they make use of the DNA test results in addition to all of the other sources of information to provide added accuracy and reliability to the animal's EPD.  In fact, depending on the trait, GE-EPDs on unproven animals have the same amount of accuracy as if they had already sired 7-24 calves.
American Angus Selection EPDs
$ Value Indexes
Genomic-Enhanced EPDs

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