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Breeding / Calving Issues
Sires birth EPD vs maternal calving ease of daughters
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<blockquote data-quote="james coffelt" data-source="post: 1309824" data-attributes="member: 23203"><p>EB</p><p></p><p>I suspect I had trouble understanding your post, because it was poorly written.</p><p></p><p>Grass developed cows in the Pharo and Pinebank programs, are very moderate in WW, YW, milk, and BW. Pharo genetics have more calving ease. I have 100 bulls, developing now, with sires from both programs, and they performed similarly. There are no extremes here, and I am not guessing, I am watching it very day, weighing them every month.</p><p></p><p>You mentioned growth in your post as a most important trait. From a business standpoint, it is not. Stocking rate is most important, I can prove it any time you like. Performance bulls, produce high maintenance females, which reduce stocking. It is simple. </p><p></p><p>Pinebank, with over 60 years of studying their herd, concluded growth was 80% genetic. That is on a grass developed, low input herd. I was not speaking for the entire Angus breed, which is no model to emulate, in my opinion. The calves maintenance requirements are lower, in this model, as is the dam's and sire.</p><p></p><p>By the way, below is our lead off sire from last years sale. Do you see any extremes? Not sure what your talking about:</p><p></p><p><a href="https://www.angus.org/Animal/EpdPedDtl.aspx?aid=FAAAAJjZSAtEbnyRsq4g7IWi2XsH66iJOCCL0hdsW246FHZZ&time=LAAAANNzyva5wjc5KoJt6rGpZ4lL79d6n6ga3NghAf6ttKEHlpOj75oTCuN8BfDaS5YUdw%3d%3d" target="_blank">https://www.angus.org/Animal/EpdPedDtl. ... YUdw%3d%3d</a></p><p></p><p>With a -2 BW, this bull's calves performed best, and better than other higher birth weight bulls. This bull is 20 generations into a low birth weight program, with maintained performance. I do not agree. Early gestation, is much of low BW. </p><p></p><p>All of our bulls are calving ease, for generations, we are losing no performance, and have more live calves</p></blockquote><p></p>
[QUOTE="james coffelt, post: 1309824, member: 23203"] EB I suspect I had trouble understanding your post, because it was poorly written. Grass developed cows in the Pharo and Pinebank programs, are very moderate in WW, YW, milk, and BW. Pharo genetics have more calving ease. I have 100 bulls, developing now, with sires from both programs, and they performed similarly. There are no extremes here, and I am not guessing, I am watching it very day, weighing them every month. You mentioned growth in your post as a most important trait. From a business standpoint, it is not. Stocking rate is most important, I can prove it any time you like. Performance bulls, produce high maintenance females, which reduce stocking. It is simple. Pinebank, with over 60 years of studying their herd, concluded growth was 80% genetic. That is on a grass developed, low input herd. I was not speaking for the entire Angus breed, which is no model to emulate, in my opinion. The calves maintenance requirements are lower, in this model, as is the dam's and sire. By the way, below is our lead off sire from last years sale. Do you see any extremes? Not sure what your talking about: [url=https://www.angus.org/Animal/EpdPedDtl.aspx?aid=FAAAAJjZSAtEbnyRsq4g7IWi2XsH66iJOCCL0hdsW246FHZZ&time=LAAAANNzyva5wjc5KoJt6rGpZ4lL79d6n6ga3NghAf6ttKEHlpOj75oTCuN8BfDaS5YUdw%3d%3d]https://www.angus.org/Animal/EpdPedDtl. ... YUdw%3d%3d[/url] With a -2 BW, this bull's calves performed best, and better than other higher birth weight bulls. This bull is 20 generations into a low birth weight program, with maintained performance. I do not agree. Early gestation, is much of low BW. All of our bulls are calving ease, for generations, we are losing no performance, and have more live calves [/QUOTE]
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