Expected Progeny Differences, EPDs, are the basis for beef cattle selection. Today’s ranchers rely on a wide variety of measures, indexes and genomic tools to continue raising the bar for herd genetics.
An EPD is the prediction of how future progeny of an animal will perform; specifically, EPDs predict the genetic transmitting ability of an animal to their offspring. EPDs are expressed as units of measure for the trait, plus or minus the average of the animal’s group.
Here’s a refresher on EPD definitions.