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Shallow gene pool
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<blockquote data-quote="dun" data-source="post: 23233" data-attributes="member: 34"><p>The shallowness of the gene pool means that there aren't many proven high accuracy bulls to choose from.</p><p>We AI everything and require an accuracy for at a minimum BW of at least .90, in some cases we'll slip it to .85.</p><p>We prefer all of the traits we are selecting for to be in the high .8 range as a minimum, that would be if we are planning on possibly retaining heifers. For terminal cross, we only really worry about BW, WW, YW, and carcass.</p><p>In either Beef or Drovers they had a study results that indicates that individual expressed heterosis is only (if I remmeber correctly) 8% where maternal is 80%.</p><p></p><p>dun</p></blockquote><p></p>
[QUOTE="dun, post: 23233, member: 34"] The shallowness of the gene pool means that there aren't many proven high accuracy bulls to choose from. We AI everything and require an accuracy for at a minimum BW of at least .90, in some cases we'll slip it to .85. We prefer all of the traits we are selecting for to be in the high .8 range as a minimum, that would be if we are planning on possibly retaining heifers. For terminal cross, we only really worry about BW, WW, YW, and carcass. In either Beef or Drovers they had a study results that indicates that individual expressed heterosis is only (if I remmeber correctly) 8% where maternal is 80%. dun [/QUOTE]
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