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EPD's What Do They Mean?
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<blockquote data-quote="Brandonm2" data-source="post: 174705" data-attributes="member: 2095"><p>I do believe that I did mention the exception of certain performance bull tests and I did know that Auburn did it (and has measured individual feed efficiency for a number of years). Those little electronic gate opening balls each bull wears around his neck used to be pretty expensive though. I am not aware of how many bull tests there are with the data. It is POSSIBLE to assemble some data from that; but is that a big enough data set to pull a reasonably accurate set of breed wide EPDs from?? and how accurately does that mimic real feedlot conditions for a set of steers???? are all questions for a statistician. I don't have the necessary knowledge to satisfactorily answer either question.</p><p></p><p></p><p></p><p>No, and I am sure there are flushmates with 3:1 feed efficiency and 10:1 feed efficiencys too and we won't ever know that without somebody assembling those EPDs either. I could be wrong but I still think we won't know that with any accuracy from (Official) feed efficiency EPDs for a few years (at least). </p><p></p><p>Jeane, I thought Simmental had both mature weight and mature height EPDs; but did not want to say without being certain. I am sure there is another breed or two with those numbers as well....though I am still waiting for Hereford to stand up to the plate there.</p></blockquote><p></p>
[QUOTE="Brandonm2, post: 174705, member: 2095"] I do believe that I did mention the exception of certain performance bull tests and I did know that Auburn did it (and has measured individual feed efficiency for a number of years). Those little electronic gate opening balls each bull wears around his neck used to be pretty expensive though. I am not aware of how many bull tests there are with the data. It is POSSIBLE to assemble some data from that; but is that a big enough data set to pull a reasonably accurate set of breed wide EPDs from?? and how accurately does that mimic real feedlot conditions for a set of steers???? are all questions for a statistician. I don't have the necessary knowledge to satisfactorily answer either question. No, and I am sure there are flushmates with 3:1 feed efficiency and 10:1 feed efficiencys too and we won't ever know that without somebody assembling those EPDs either. I could be wrong but I still think we won't know that with any accuracy from (Official) feed efficiency EPDs for a few years (at least). Jeane, I thought Simmental had both mature weight and mature height EPDs; but did not want to say without being certain. I am sure there is another breed or two with those numbers as well....though I am still waiting for Hereford to stand up to the plate there. [/QUOTE]
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