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EPD's What Do They Mean?
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<blockquote data-quote="MikeC" data-source="post: 168528" data-attributes="member: 1604"><p>Still not convinced that EPDs are the best selection tool? Let's say you want to predict the yearling weight genetic merit of a bull and you have two pieces of information: an adjusted yearling weight and a yearling weight EPD. Assuming yearling weight has a heritability of 0.22, the accuracy of the adjusted yearling weight will be around 0.12. The EPD, on the other hand, would have an accuracy of around 0.24. That's twice the accuracy! This is possible, because the EPD accounts for information from all the relatives and any other traits that are related to yearling weight.</p></blockquote><p></p>
[QUOTE="MikeC, post: 168528, member: 1604"] Still not convinced that EPDs are the best selection tool? Let's say you want to predict the yearling weight genetic merit of a bull and you have two pieces of information: an adjusted yearling weight and a yearling weight EPD. Assuming yearling weight has a heritability of 0.22, the accuracy of the adjusted yearling weight will be around 0.12. The EPD, on the other hand, would have an accuracy of around 0.24. That's twice the accuracy! This is possible, because the EPD accounts for information from all the relatives and any other traits that are related to yearling weight. [/QUOTE]
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