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Genestar Marbling Markers Questioned
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<blockquote data-quote="Badlands" data-source="post: 290166" data-attributes="member: 5010"><p>They were fed that way, MikeC, <em>based on the knowledge of the markers at the time they did the trial.</em> Some of the cattle were actually born before the markers were available.</p><p></p><p>Now we know that when they are all choice, or mostly so, then the markers don't matter too much.</p><p></p><p>It's similar to "managing them to express genetic potential".</p><p></p><p>If we feed them to the point that they are mostly Choice, did we need markers to tell us that? Nope.</p><p></p><p>The "newer" knowledge is now pointing us in the direction of cattle that are on the edge of Choice. If they are on the edge, the ones with the favorable markers will grade choice, and most of the others won't.</p><p></p><p>Most of these cattle graded choice, so then, the markers don't make much difference.</p><p></p><p>It doesn't mean the markers "don't work". It points us towards how to use them more effectively. </p><p></p><p>Badlands</p></blockquote><p></p>
[QUOTE="Badlands, post: 290166, member: 5010"] They were fed that way, MikeC, [i]based on the knowledge of the markers at the time they did the trial.[/i] Some of the cattle were actually born before the markers were available. Now we know that when they are all choice, or mostly so, then the markers don't matter too much. It's similar to "managing them to express genetic potential". If we feed them to the point that they are mostly Choice, did we need markers to tell us that? Nope. The "newer" knowledge is now pointing us in the direction of cattle that are on the edge of Choice. If they are on the edge, the ones with the favorable markers will grade choice, and most of the others won't. Most of these cattle graded choice, so then, the markers don't make much difference. It doesn't mean the markers "don't work". It points us towards how to use them more effectively. Badlands [/QUOTE]
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