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Cattle Boards
Breeding / Calving Issues
Sires birth EPD vs maternal calving ease of daughters
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<blockquote data-quote="CharlesTotton" data-source="post: 1310254" data-attributes="member: 24851"><p>But enough thread drift:</p><p></p><p>What about sire's birth EPD vs. maternal calving ease of daughters? </p><p></p><p>I raise heifer bulls and my pet peeve is being told that heifer bulls daughters will have calving trouble. So I went to the AAA web-site and did a sire search. I only put in one # (16) showing me the top 1% for CEM. 90% of the bulls had high CED and low birth weight EPD's. Then I searched again for the bottom 5% for CEM and 90% of these bulls had low CED and high BW EPD's. So it looks to me like the OWT is not only wrong but completely backwards. It looks like high BW daughters have more calving trouble than low BW daughters. If you disagree tell me why and show me the proof. If you agree tell me how I can convince people that the OWT is wrong.</p></blockquote><p></p>
[QUOTE="CharlesTotton, post: 1310254, member: 24851"] But enough thread drift: What about sire's birth EPD vs. maternal calving ease of daughters? I raise heifer bulls and my pet peeve is being told that heifer bulls daughters will have calving trouble. So I went to the AAA web-site and did a sire search. I only put in one # (16) showing me the top 1% for CEM. 90% of the bulls had high CED and low birth weight EPD's. Then I searched again for the bottom 5% for CEM and 90% of these bulls had low CED and high BW EPD's. So it looks to me like the OWT is not only wrong but completely backwards. It looks like high BW daughters have more calving trouble than low BW daughters. If you disagree tell me why and show me the proof. If you agree tell me how I can convince people that the OWT is wrong. [/QUOTE]
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Sires birth EPD vs maternal calving ease of daughters
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