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maybe the system is NOT rigged!!
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<blockquote data-quote="Herefords.US" data-source="post: 1357673" data-attributes="member: 3972"><p>EPDs absolutely do work once a bull becomes widely used and his EPD accuracy rises to a reliable level. They are definitely useful in picking between proven sires whose EPD accuracies are .8 or more for AI breeding.</p><p></p><p>The trouble is EPDs are "promoted" to be "THE GREAT DECIDER" (sorry George W. Bush!) and too many folks get the idea that you can split hairs in using them when selecting virgin bulls and replacement heifers. If anyone will just take the time to look what the standard deviation is in low accuracy EPDs and also realize that <strong>ONE THIRD OF THE TIME</strong> an animal's actual EPD values will fall <strong>OUTSIDE</strong> that significant deviation, then they might be able to put EPDs in the proper perspective and where they should be placed in their selection criteria, which should be WAY down the list, IMO.</p></blockquote><p></p>
[QUOTE="Herefords.US, post: 1357673, member: 3972"] EPDs absolutely do work once a bull becomes widely used and his EPD accuracy rises to a reliable level. They are definitely useful in picking between proven sires whose EPD accuracies are .8 or more for AI breeding. The trouble is EPDs are "promoted" to be "THE GREAT DECIDER" (sorry George W. Bush!) and too many folks get the idea that you can split hairs in using them when selecting virgin bulls and replacement heifers. If anyone will just take the time to look what the standard deviation is in low accuracy EPDs and also realize that [b]ONE THIRD OF THE TIME[/b] an animal's actual EPD values will fall [b]OUTSIDE[/b] that significant deviation, then they might be able to put EPDs in the proper perspective and where they should be placed in their selection criteria, which should be WAY down the list, IMO. [/QUOTE]
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