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Yeild Grade 0 ??
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<blockquote data-quote="Engler" data-source="post: 614576" data-attributes="member: 4110"><p>As much as I hate to admit it, the village idiot may not be completly wrong on this on (it hurts to say it).</p><p></p><p>If I remember right from college YG is a mathmatical calculation using backfat depth, KPH fat, REA and carcass weight. I know USDA graders don't have time to run the math on each and every calf coming down the line, but in the acedemic world it could happen.</p><p></p><p>Keep in mind that I'm trying to recall figures from a part of my brain that had a lot of self induced damage 12oz at a time.</p><p></p><p>.2" BF= Prelim YG 2.5</p><p>.4" BF= PYG 3.0</p><p>.6' BF= PYG 3.5</p><p></p><p>Base KPH = 3.5% +/- .1YG for each .5%</p><p>REA 600# HCW=11.0</p><p>700# HCW=12.2</p><p>800# HCW=13.4</p><p>+/- .1 YG for each .3in2 REA</p><p></p><p>So IF you had a steer that had a 600# carcass with .2BF, .5KPH and a 14in2 REA that would make him a YG 0.9</p><p></p><p>2.5 Base - .6 (KPH) - 1.0 (REA)</p><p></p><p>Now I would like to see the steer that could do this, but I really don't think that I would want to have him on feed.</p></blockquote><p></p>
[QUOTE="Engler, post: 614576, member: 4110"] As much as I hate to admit it, the village idiot may not be completly wrong on this on (it hurts to say it). If I remember right from college YG is a mathmatical calculation using backfat depth, KPH fat, REA and carcass weight. I know USDA graders don't have time to run the math on each and every calf coming down the line, but in the acedemic world it could happen. Keep in mind that I'm trying to recall figures from a part of my brain that had a lot of self induced damage 12oz at a time. .2" BF= Prelim YG 2.5 .4" BF= PYG 3.0 .6' BF= PYG 3.5 Base KPH = 3.5% +/- .1YG for each .5% REA 600# HCW=11.0 700# HCW=12.2 800# HCW=13.4 +/- .1 YG for each .3in2 REA So IF you had a steer that had a 600# carcass with .2BF, .5KPH and a 14in2 REA that would make him a YG 0.9 2.5 Base - .6 (KPH) - 1.0 (REA) Now I would like to see the steer that could do this, but I really don't think that I would want to have him on feed. [/QUOTE]
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