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Cattle Boards
Artificial Insemination (AI) for Cattle
Plateau in the EPD race?
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<blockquote data-quote="Ebenezer" data-source="post: 1516995" data-attributes="member: 24565"><p>Genomics is being used more and truth-checking the EPDs, so to speak. There are downward adjustments for those that were supposed to be trait leaders due to over inflated expectations. Why? I guess the "extra EPDs" from surplus feeding or maybe a bit of exaggeration on some promoter's data have been dropped down to reality. That has plateaued growth of some of the EPDs.</p><p></p><p>The problem is that EPDs are marketing tools rather than secondary selection tools. And in unproven animals or lightly used animals there is such a potential range of expression of the assumed average of the parents that it is pretty silly to use EPDs as a primary sort function. An example: BW and CED. You can read all of the EPDs on unproven bulls you want to. But, from experience, there is something about the linkage back to the maternal grand dam that you ought to check out. It might not show up in the EPD because of the average of the parents but it is a lesson to be learned. Genes are tricky little buggers.</p><p></p><p>Associations will go along with any fad because fads create excitement and excitement creates sales and promotion. They are funded by the members but will grow into an independent government that needs the membership's money but work independently of the general membership and often to their harm or with bias towards power individuals. </p><p></p><p>Until Kit and all the experts with an ability to write articles about the "greatness of small" put an order buyer in every sale barn willing to pay top dollar for small framed cattle they are merely gaining on other's losses.</p></blockquote><p></p>
[QUOTE="Ebenezer, post: 1516995, member: 24565"] Genomics is being used more and truth-checking the EPDs, so to speak. There are downward adjustments for those that were supposed to be trait leaders due to over inflated expectations. Why? I guess the "extra EPDs" from surplus feeding or maybe a bit of exaggeration on some promoter's data have been dropped down to reality. That has plateaued growth of some of the EPDs. The problem is that EPDs are marketing tools rather than secondary selection tools. And in unproven animals or lightly used animals there is such a potential range of expression of the assumed average of the parents that it is pretty silly to use EPDs as a primary sort function. An example: BW and CED. You can read all of the EPDs on unproven bulls you want to. But, from experience, there is something about the linkage back to the maternal grand dam that you ought to check out. It might not show up in the EPD because of the average of the parents but it is a lesson to be learned. Genes are tricky little buggers. Associations will go along with any fad because fads create excitement and excitement creates sales and promotion. They are funded by the members but will grow into an independent government that needs the membership's money but work independently of the general membership and often to their harm or with bias towards power individuals. Until Kit and all the experts with an ability to write articles about the "greatness of small" put an order buyer in every sale barn willing to pay top dollar for small framed cattle they are merely gaining on other's losses. [/QUOTE]
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Plateau in the EPD race?
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