Darrh Bullock (University of Kentucky): The calving ease maternal EPD is the EPD that tells us the calving ease potential of a bull's daughters, or of an animal's daughters. The calving ease maternal EPD is actually a measure of a bull's daughters' ability for calving ease. So, differences of, say 5 percentage points for calving ease maternal means that bull's daughters would be expected to have 5% less calving difficulty when they calve as heifers.
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